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Bibliography

Dissertations

  1. T. Hiroi (1985) Crystal field theory calculations for d-electron splitting energy of Fe2+ and Cr3+ in pyroxenes and olivines.  M.Sc. thesis, University of Tokyo, Japan.
  2. T. Hiroi (1988) Identification of mineral mixtures of pyroxene and olivine from their spectral reflectances.  Ph.D. thesis, University of Tokyo, Japan.  PhD1988 

Review Articles and Book Chapters

  1. M. Miyamoto, M. Kinoshita, T. Hiroi, Y. Takano (1983) Determination of surface minerals of asteroids by spectral reflectance measurements of meteorites.  J. Mineral. Soc. Japan 16, 283-293.
  2. H. Takeda and T. Hiroi (1993) Asteroids, meteorites, material science.  — Relationship between S-type asteroid materials and primitive achondrites —.  Journal of Japanese Society for Planetary Science 2, 54-62.
  3. T. Hiroi (1994) Asteroids.  In Basic Methods and Applications of Solid Planetary Material Science (eds. H. Takeda, M. Kitamura, M. Miyamoto), pp. 160-167.
  4. T. Hiroi (1994) Reflectance spectra of solid planetary materials.  In Basic Methods and Applications of Solid Planetary Material Science (eds. H. Takeda, M. Kitamura, M. Miyamoto), pp. 45-48.
  5. T. Hiroi (1996) Asteroid surface materials detected from their reflectance spectra.  J. Min. Soc. Japan 25, 61-67.
  6. T. Hiroi (1999) Quantitative analysis of rock-forming minerals by visible and near-infrared remote sensing – Silicate minerals as examples -.  J. Min. Soc. Japan 28, 109-116.
  7. T. Hiroi and S. Sugita (2010) The role of visible and near-infrared spectroscopy in exploration of C-type asteroids.  Journal of Japanese Society for Planetary Science 19, 36-47.

Refereed Papers

  1. T. Hiroi and H. Takeda (1990) A method to determine silicate abundances from reflectance spectra with applications to asteroid 29 Amphitrite associating it with primitive achondrite meteorites.  Icarus 88, 205-227.
  2. T. Hiroi and H. Takeda (1991) Reflectance spectroscopy and mineralogy of primitive achondrites – lodranites.  Proc. NIPR Symp. Antarct. Meteorites 4, 163-177.
  3. H. Takeda, J. Saito, T. Hiroi (1992) A new type of Antarctic achondrites and their relationship to S asteroids and chondrites.  Proc. Japan Acad. 68B, 115-120.
  4. T. Hiroi and C. M. Pieters (1992) Effects of grain size and shape in modeling reflectance spectra of mineral mixtures.  Proc. Lunar Planet. Sci. 22, 313-325.
  5. T. Hiroi and H. Takeda (1992) Crystal-field theory calculations for Fe2+ ions in bronzite, augite, olivine.  Phys. Chem. Minerals 19, 229-235.
  6. T. Hiroi, J. F. Bell, H. Takeda, C. M. Pieters (1993) Modeling of S-type asteroid spectra using primitive achondrites and iron meteorites.  Icarus 102, 107-116.
  7. T. Hiroi, J. F. Bell, H. Takeda, C. M. Pieters (1993) Spectral comparison between olivine-rich asteroids and pallasites.  Proc. NIPR Symp. Antarct. Meteorites 6, 234-245.
  8. T. Hiroi, C. M. Pieters, M. E. Zolensky, M. E. Lipschutz (1993) Evidence of thermal metamorphism on the C, G, B, F asteroids.  Science 261, 1016-1018.
  9. T. Hiroi, C. M. Pieters, H. Takeda (1994) Grain size of the surface regolith of asteroid 4 Vesta estimated from its reflectance spectrum in comparison with HED meteorites.  Meteoritics 29, 394-396.
  10. H. Takeda, H. Mori, T. Hiroi, J. Saito (1994) Mineralogy of new Antarctic achondrites with affinity to Lodran and a model of their evolution in an asteroid.  Meteoritics 29, 830-842.
  11. T. Hiroi, C. M. Pieters, M. E. Zolensky, M. E. Lipschutz (1994) Possible thermal metamorphism on the C, G, B, F asteroids detected from their reflectance spectra in comparison with carbonaceous chondrites.  Proc. NIPR Symp. Antarct. Meteorites 7, 230-243.
  12. T. Hiroi and C. M. Pieters (1994) Estimation of grain sizes and mixing ratios of fine powder mixtures of common geologic minerals.  J. Geophys. Res. 99, 10,867-10,879.
  13. T. Hiroi (1994) Recalculation of the isotropic H functions.  Icarus 109, 313-317.
  14. T. Hiroi, R. P. Binzel, J. M. Sunshine, C. M. Pieters, H. Takeda (1995) Grain sizes and mineral compositions of surface regoliths of Vesta-like asteroids.  Icarus 115, 374-386.
  15. T. Hiroi, F. Vilas, J. M. Sunshine (1996) Discovery and analysis of minor absorption bands in S-asteroid visible reflectance spectra.  Icarus 119, 202-208.
  16. T. Hiroi, M. E. Zolensky, C. M. Pieters, M. E. Lipschutz (1996) Thermal metamorphism of the C, G, B, F asteroids seen from the 0.7-µm, 3-µm, and UV absorption strengths in comparison with carbonaceous chondrites.  Meteorit. Planet. Sci. 31, 321-327.
  17. T. Hiroi and C. M. Pieters (1998) Origin of Vestoids suggested from the space weathering trend in the visible reflectance spectra of HED meteorites and lunar soils.  Antarct. Meteorite Res. 11, 165-172.
  18. J. L. Bishop, J. F. Mustard, C. M. Pieters, T. Hiroi (1998) Recognition of minor constituents in reflectance spectra of ALH 84001 chips and the importance for remote sensing on Mars.  Meteorit. Planet. Sci. 33, 693-698.
  19. J. L. Bishop, C. M. Pieters, T. Hiroi, J. F. Mustard (1998) Spectroscopic analysis of Martian meteorite ALH 84001 powder and applications for spectral identification of minerals and other soil components on Mars.  Meteorit. Planet. Sci. 33, 699-707.
  20. T. Hiroi and M. E. Zolensky (1999) UV-Vis-NIR absorption features of heated phyllosilicates as remote-sensing clues of thermal histories of primitive asteroids.  Antarct. Meteorite Res. 12, 108-116.
  21. M. Yamada, S. Sasaki, H. Nagahara, A. Fujiwara, S. Hasegawa, H. Yano, T. Hiroi, H. Ohashi, H. Ohtake (1999) Simulation of space weathering of planet-forming materials: Nanosecond pulse laser irradiation and proton implantation on olivine and pyroxene samples.  Earth Planets Space 51, 1255-1265.
  22. A. T. Basilevsky, O. I. Yakovlev,  A. V. Fisenko, L. F. Semjonova, L. V. Moroz, C. M. Pieters, T. Hiroi, N. G. Zinovieva, H. U. Keller, A. S. Semenova, L. D. Barsukova, I. A. Roshchina, A. Kh. Galuzinskaya, I. A. Stroganov (2000) Simulation of impact melting effect on spectral properties of Martian surface: Implications for polar deposits.  Geochemistry International 38 Suppl. 3, S390-S403.
  23. T. Hiroi, C. M. Pieters, F. Vilas, S. Sasaki, Y. Hamabe, E. Kurahashi (2001) Mystery of 506.5 nm feature of reflectance spectra of Vesta and Vestoids from the viewpoint of pyroxene space weathering.  Earth Planets Space 53, 1071-1075.
  24. T. Hiroi, M. E. Zolensky, C. M. Pieters (2001) The Tagish Lake meteorite: A possible sample from a D-type asteroid.  Science 293, 2234-2236.
  25. S. Sasaki, K. Nakamura, Y. Hamabe, E. Kurahashi, T. Hiroi (2001) Production of iron nanoparticles by laser irradiation in a simulation of lunar-like space weathering.  Nature 410, 555-557.
  26. T. H. Burbine, P. C. Buchanan, R. P. Binzel, S. J. Bus, T. Hiroi, J. L. Hinrichs, A. Meibom, T. J. McCoy (2001) Vesta, Vestoids, the howardite, eucrite, diogenite group: Relationships and the origin of spectral differences.  Meteorit. Planet. Sci. 36, 761-781.
  27. T. Hiroi and S. Sasaki (2001) Importance of space weathering simulation products in compositional modeling of asteroids: 349 Dembowska and 446 Aeternitas as examples.  Meteorit. Planet. Sci. 36, 1587-1596.
  28. S. Sasaki, T. Hiroi, K. Nakamura, Y. Hamabe, E. Kurahashi, M. Yamada (2002) Simulation of space weathering by nanosecond pulse laser heating: Dependence on mineral composition, weathering trend of asteroids and discovery of nanophase iron particles.  Adv. in Space Res. 29, 783-788.
  29. T. Hiroi and S. Hasegawa (2003) Revisiting the search for the parent body of the Tagish Lake meteorite: Case of a T/D asteroid 308 Polyxo.  Antarct. Meteorite Res. 16, 176-184.
  30. Y. Ueda, M. Miyamoto, T. Mikouchi, T. Hiroi (2003) Reflectance spectra of the Yamato 000593 nakhlite: Spectroscopic similarities to other nakhlites.  Anartct. Meteorite Res. 16, 94-104.
  31. A. Kanno, T. Hiroi, R. Nakamura, M. Abe, M. Ishiguro, S. Hasegawa, S. Miyasaka, T. Sekiguchi, H. Terada, G. Igarashi (2003) The first detection of water absorption on a D type asteroid.  Geophysical Research Letters 30, 1909.
  32. S. Hasegawa, K. Murakawa, M. Ishiguro, H. Nonaka, N. Takato, C. J. Davis, M. Ueno, T. Hiroi (2003) Evidence of hydrated and/or hydroxylated minerals on the surface of asteroid 4 Vesta.  Geophysical Research Letters 30, 2123.
  33. B. E. Clark, S. J. Bus, A. S. Rivkin, T. McConnochie, J. Sanders, S. Shah, T. Hiroi, M. Shepard (2004) E-type asteroid spectroscopy and compositional modeling.  J. Geophys. Res. 109, E02001.
  34. T. Hiroi, M. Miyamoto, T. Mikouchi, Y. Ueda (2005) Visible and near-infrared reflectance spectroscopy of the Yamato 980459 meteorite in comparison with some shergottites.  Antarct. Meteorite Res. 18, 83-95.
  35. M. D. Dyar, A. H. Treiman, C. M. Pieters, T. Hiroi, M. D. Lane (2005) MIL03346, the most oxidized martian meteorite: A first look at petrography, mineral chemistry, spectroscopy.  J. Geophys. Res. 110, E09005.
  36. C. M. Pieters, R. P. Binzel, D. Bogard, T. Hiroi, D. W. Mittlefehldt, L. Nyquist, A. Rivkin, H. Takeda (2005) Asteroid-meteorite links: the Vesta conundrum(s).  Proc. IAU 1, 273-288.
  37. M. Abe, Y. Takagi, K. Kitazato, S. Abe, T. Hiroi, F. Vilas, B. E. Clark, P. A. Abell, S. M. Lederer, K. S. Jarvis, T. Nimura, Y. Ueda, A. Fujiwara (2006) Near-infrared spectral results of asteroid Itokawa from the Hayabusa spacecraft.  Science 312, 1334-1338.
  38. S. K. Noble, C. M. Pieters, T. Hiroi, L. A. Taylor (2006) Using the modified Gaussian model to extract quantitative data from lunar soils.  J. Geophys. Res. 111, E11009.
  39. L. V. Moroz, M. Schmidt, U. Schade, T. Hiroi, M. A. Ivanova (2006) Synchrotron-based infrared microspectroscopy as a useful tool to study hydration states of meteorite constituents.  Meteorit. Planet. Sci. 41, 1219-1230.
  40. Y. Shkuratov, S. Bondarenko, A. Ovcharenko, C. M. Pieters, T. Hiroi, H. Volten, O. Munoz, G. Videen (2006) Comparative studies of the reflectance and degree of linear polarization of particulate surfaces and independently scattering particles.  J. Quantitat. Spectroscopy Radiat. Transfer 100, 340-358.
  41. T. Hiroi, M. Abe, K. Kitazato, S. Abe, B. E. Clark, S. Sasaki, M. Ishiguro, O. S. Barnouin-Jha (2006) Developing space weathering on the asteroid 25143 Itokawa.  Nature 443, 56-58.
  42. M. Ishiguro, T. Hiroi, D. J. Tholen, S. Sasaki, Y. Ueda, T. Nimura, M. Abe, B. E. Clark, A. Yamamoto, F. Yoshida, R. Nakamura, N. Hirata, H. Miyamoto, Y. Yokota, T. Hashimoto, T. Kubota, A. M. Nakamura, R. W. Gaskell, J. Saito (2007) Global mapping of the degree of space weathering on asteroid 25143 Itokawa by Hayabusa/AMICA observations.  Meteorit. Planet. Sci. 42, 1791-1800.
  43. K Kitazato, B. E. Clark, M. Abe, S. Abe, Y. Takagi, T. Hiroi, O. S. Barnouin-Jha, P. A. Abell, S. M. Lederer, F. Vilas (2008) Near-infrared spectrophotometry of asteroid 25143 Itokawa from NIRS on the Hayabusa spacecraft.  Icarus 194, 137-145.
  44. T. Nimura, T. Hiroi, C. M. Pieters (2008) An improved scheme for modeling reflectance spectra of space-weathered regoliths.  Earth Planets Space 60, 271-275.
  45. T. Matsunaga, M. Ohtake, J. Haruyama, Y. Ogawa, R. Nakamura, Y. Yokota, T. Morota, C. Honda, M. Torii, M. Abe, T. Nimura, T. Hiroi, T. Arai, K. Saiki, H. Takeda, N. Hirata, S. Kodama, T. Sugihara, H. Demura, N. Asada, J. Terazono, H. Otake (2008) Discoveries on the lithology of lunar crater central peaks by SELENE spectral profiler.  Geophysical Research Letters 35, L23201.
  46. C. M. Pieters, R. L. Klima, T. Hiroi, M. D. Dyar, M. D. Lane, A. H. Treiman, S. K. Noble, J. M. Sunshine, J. L. Bishop (2008) Martian dunite NWA 2737: Integrated spectroscopic analyses of brown olivine.  J. Geophys. Res. 113, E06004.
  47. L. V. Moroz, A. T. Basilevsky, T. Hiroi, S. S. Rout, D. Baither, C. H. van der Bogert, O. I. Yakovlev, A. V. Fisenko, L. F. Semjonova, V. S. Rusakov, D. A. Khramov, N. G. Zinovieva, G. Arnold, C. M. Pieters (2009) Spectral properties of simulated impact glasses produced from martian soil analogue JSC Mars-1.  Icarus 202, 336–353.
  48. M. D. Dyar, E. C. Sklute, O. N. Menzies, P. A. Bland, D. Lindsley, T. Glotch, M. D. Lane, M. W. Schaffer, B. Wopenka, , R. Klima, J. L. Bishop, T. Hiroi, C. Pieters, J. Sunshine (2009) Spectroscopic characteristics of synthetic olivine: An integrated multi-wavelength and multi-technique approach.  American Mineralogist 94, 883-898.
  49. M. Ohtake, T. Matsunaga, J. Haruyama, Y. Yokota, T. Morota, C. Honda, Y. Ogawa, M. Torii, H. Miyamoto, T. Arai, N. Hirata, A. Iwasaki, R. Nakamura, T. Hiroi, T. Sugihara, H. Takeda, H. Otake, C. M. Pieters, K. Saiki, K. Kitazato, M. Abe, N. Asada, H. Demura, Y. Yamaguchi, S. Sasaki, S. Kodama, J. Terazono, M. Shirao, A. Yamaji, S. Minami, H. Akiyama, J.-L. Josset (2009) The global distribution of pure anorthosite on the Moon.  Nature 461, 236-240.
  50. J. Haruyama, M. Ohtake, T. Matsunaga, T. Morota, H. Kawasaki, C. Honda, Y. Yokota, M. Torii, M. Abe, H. Otake, T. Nimura, Y. Ogawa, A. Yamaji, H. Takeda, M. Shirao, N. Asada, H. Demura, N. Hirata, J. Terazono, S. Kodama, R. Nakamura, S. Minami, A. Iwasaki, H. Miyamoto, T. Arai, T. Sugihara, Y. Yamaguchi, K. Saiki, T. Hiroi, S. Sasaki, H. Akiyama, S. Hara, K. Hioki, M. Hashimoto, Y. Kurashina, K. Torii, A. Yoshizawa, S. Nakanotani, J. Inoue, N. Masuda, J.-L. Josset, C. M. Pieters (2009) Preliminary results of the SELENE Terrain Camera.  Trans. Jpn Soc. Aeronaut. Space Sci., Space Tech. Jpn, Vol 7, ISTS Spec. Issue, Tk_61-Tk_66.
  51. R. Nakamura, T. Matsunaga, Y. Ogawa, S. Yamamoto, T. Hiroi, K. Saiki, N. Hirata, T. Arai, K. Kitazato, H. Takeda, T. Sugihara, S. Kodama, M. Ohtake, J. Haruyama, Y. Yokota (2009) Ultramafic impact melt sheet beneath the South Pole–Aitken basin on the Moon.  Geoph. Res. Lett. 36, L22202.
  52. B. E. Clark, J. Ziffer, D. Nesvorny, H Campins, A. S. Rivkin, T. Hiroi, M. A. Barucci, M. Fulchignoni, R. P. Binzel, S. Fornasier, F. DeMeo, M. E. Ockert-Bell, J. Licandro, T. Mothé-Diniz (2010) Spectroscopy of B-type asteroids: Subgroups and meteorite analogs.  J. Geophys. Res. 115, E06005.
  53. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2010) Possible mantle origin of olivine around lunar impact basins detected by SELENE.  Nature Geoscience 3, 533-536.
  54. T. Hiroi, P. M. Jenniskens, J. L. Bishop, T. S. M. Shatir, A. M. Kudoda (2010) Bidirectional visible-NIR and biconical FT-IR reflectance spectra of Almahata Sitta meteorite samples.  Meteorit. Planet. Sci. 45, 1836-1845.
  55. P. Jenniskens, J. Vaubaillon, R. P. Binzel, F. E. DeMeo, D. Nesvorny, W. F. Bottke, A. Fitzsimmon, T. Hiroi, F. Marchis, J. L. Bishop, P. Vernazza, M. E. Zolensky, J. S. Herrin, K. C. Welten, M. M. M. Meier, M. H. Shaddad (2010) Almahata Sitta (= asteroid 2008 TC3) and the search for the ureilite parent body.  Meteorit. Planet. Sci. 45, 1590-1617.
  56. M. D. Dyar, T. D. Glotch, M. D. Lane, B. Wopenka, J. M. Tucker, S. J. Seaman, G. K. Marchand, R. Klima, T. Hiroi, J.L. Bishop, C. M. Pieters, J. M. Sunshine (2010) Spectroscopy of Yamato 984028.  Polar Sci. 4, 530-549.
  57. M. Ohtake, T. Matsunaga, Y. Yokota, S. Yamamoto, Y. Ogawa, T. Morota, C. Honda, J. Haruyama, K. Kitazato, H. Takeda, A. Iwasaki, R. Nakamura, T. Hiroi, S. Kodama, H. Otake (2010) Deriving the absolute reflectance of lunar surface using SELENE (Kaguya) Multiband Imager data.  Space Sci. Rev. 154, 57–77.
  58. P. J. Isaacson, A. B. Sarbadhikari, C. M. Pieters, R. L. Klima, T. Hiroi, Y. Liu, L. A. Taylor (2011) The lunar rock and mineral characterization consortium: Deconstruction and integrated mineralogical, petrologic, spectroscopic analyses of mare basalts.  Meteorit. Planet. Sci. 46, 228-251.
  59. E. A. Cloutis, T. Hiroi, M. J. Gaffey, C. M. O’D. Alexander, P. Mann (2011) Spectral reflectance properties of carbonaceous chondrites: 1. CI chondrites.  Icarus 212, 180–209.
  60. S. Yamamoto, T. Matsunaga, Y. Ogawa, R. Nakamura, Y. Yokota, M. Ohtake, J. Haruyama, T. Morota, C. Honda, T. Hiroi, S. Kodama (2011) Preflight and in-flight calibration of the Spectral Profiler onboard SELENE (Kaguya).  IEEE Trans. Geosci. Remote Sens. 49, 4660-4676.
  61. M. D. Lane, T. D. Glotch, M. D. Dyar, C. M. Pieters, R. L. Klima, T. Hiroi, J. L. Bishop, J. M. Sunshine (2011) Mid-infrared spectroscopy of synthetic olivines: Thermal emission, specular and diffuse reflectance, and attenuated total reflectance studies of forsterite to fayalite.  J. Geophys. Res. 116, E08010.
  62. Y. Yokota, T. Matsunaga, M. Ohtake, J. Haruyama, R. Nakamura, S. Yamamoto, Y. Ogawa, T. Morota, C. Honda, K. Saiki, K. Nagasawa, K. Kitazato, S. Sasaki, A. Iwasaki, H. Demura, N. Hirata, T. Hiroi, R. Honda, Y. Iijima, H. Mizutani (2011) Lunar photometric properties at wavelengths 0.5–1.6 μm acquired by SELENE Spectral Profiler and their dependency on local albedo and latitudinal zones.  Icarus 215, 639-660.
  63. Y. Ogawa, T. Matsunaga, R. Nakamura, K. Saiki, M. Ohtake, T. Hiroi, H. Takeda, T. Arai, Y. Yokota, S. Yamamoto, N. Hirata, T. Sugihara, S. Sasaki, J. Haruyama, T. Morota, C. Honda, H. Demura, K. Kitazato, J. Terazono, N. Asada (2011) The widespread occurrence of high-calcium pyroxene in bright-ray craters on the Moon 1 and implications for lunar-crust composition.  Geophysical Research Letters 38, L17202.
  64. T. Hiroi, H. Kaiden, K. Misawa, T. Niihara, H. Kojima, S. Sasaki (2011) Visible and near-infrared spectral survey of Martian meteorites stored at the National Institute of Polar Research.  Polar Sci. 5, 337-344.
  65. J. L. Bishop, W. P. Gates, H. D. Makarewicz, N. K.  McKeown, T. Hiroi (2011) Reflectance spectroscopy of beidellites and their importance for Mars.  Clays and Clay Minerals 59, 378-399.
  66. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey, P. Mann (2011) Spectral reflectance properties of carbonaceous chondrites: 2. CM chondrites.  Icarus 216, 309–346.
  67. P. Vernazza, P. Lamy, O. Groussin, T. Hiroi, L. Jorda, P. L. King, M. R. M. Izawa, F. Marchis, M. Birlan, R. Brunetto (2011) Asteroid (21) Lutetia as a remnant of Earth’s precursor planetesimals.  Icarus 216, 650-659.
  68. C. M. Pieters, L. A. McFadden, T. Prettyman, M. C. De Sanctis, T. B. McCord, T. Hiroi, R. L. Klima, J.-Y. Li, R. Jaumann (2011) Surface composition of Vesta: Issues and integrated approach.  Space Sci. Rev. 163, 117–139.
  69. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2012) Olivine-rich exposures in the South Pole-Aitken Basin.  Icarus 218, 331–344.
  70. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey (2012) Spectral reflectance properties of carbonaceous chondrites: 3. CR chondrites.  Icarus 217, 389-407.
  71. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey (2012) Spectral reflectance properties of carbonaceous chondrites: 4. Aqueously altered and thermally metamorphosed meteorites.  Icarus 220, 586-617.
  72. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey, P. Mann (2012) Spectral reflectance properties of carbonaceous chondrites: 5. CO chondrites.  Icarus 220, 466-486.
  73. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey, P. Mann, J. F. Bell III (2012) Spectral reflectance properties of carbonaceous chondrites: 6. CV chondrites.  Icarus 221, 328-358.
  74. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey (2012) Spectral reflectance properties of carbonaceous chondrites: 7. CK chondrites.  Icarus 221, 911–924.
  75. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey, P. Mann (2012) Spectral reflectance properties of carbonaceous chondrites: 8. ‘‘Other’’ carbonaceous chondrites: CH, ungrouped, polymict, xenolithic inclusions, and R chondrites.  Icarus 221, 984–1001.
  76. M. Ohtake, H. Takeda, T. Matsunaga, Y. Yokota, J. Haruyama, T. Morota, S. Yamamoto, Y. Ogawa, T. Hiroi, Y. Karouji, K. Saiki, P. G. Lucey (2012) Asymmetric crustal growth on the Moon indicated by primitive farside highland materials.  Nature Geoscience 5, 384–388.
  77. R. Nakamura, S. Yamamoto, T. Matsunaga, Y. Ishihara, T. Morota, T. Hiroi, H. Takeda, Y. Ogawa, Y. Yokota, N. Hirata, M. Ohtake, K. Saiki (2012) Compositional evidence for an impact origin of the Moon’s Procellarum basin.  Nature Geoscience 5, 775–778.
  78. S. Sasaki, T. Hiroi (2012) Difference of space weathering degree of asteroids: Lessons from Itokawa.  Trans. JSASS Aerospace Tech. Japan 10, Pk_31-Pk_34.
  79. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2012) Massive layer of pure anorthosite on the Moon.  Geophys. Res. Lett. 39, L13201.
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  119. T. Hiroi, H. Kaiden, N. Imae, K. Misawa, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura, D. L. Bish, K. Ohtsuka, K. T. Howard, K. R. Robertson, R. E. Milliken (2021) UV-visible-infrared spectral survey of Antarctic carbonaceous chondrite chips.  Polar Sci. 29, 100723, https://doi.org/10.1016/j.polar.2021.100723.
  120. J. L. Bishop, S. J. King, M. D. Lane, A. J. Brown, B. Lafuente, T. Hiroi, R. Roberts, G. A. Swayze, J. F. Lin, M. Sánchez Román (2021) Spectral Properties of Anhydrous Carbonates and Nitrates.  Earth and Space Science 8, https://doi.org/10.1029/2021ea001844.
  121. A. Galiano, E. Palomba, F. Dirri, A. Longobardo, K. Kitazato, T. Iwata, M. Matsuoka, T. Hiroi, D. Takir, T. Nakamura, M. Abe, M. Ohtake, S. Matsuura, S. Watanabe, M. Yoshikawa, T. Saiki, S. Tanaka, T. Okada, Y. Yamamoto, Y. Takei, K. Shirai, N. Hirata, K. Matsumoto, Y. Tsuda (2022) NIRS3 spectral analysis of the artificial Omusubi-Kororin crater on Ryugu.  Monthly Notices of the Royal Astronomical Society 514, 6173-6182, 10.1093/mnras/stac1547.
  122. T. Nakamura, M. Matsumoto, K. Amano, Y. Enokido, M. E. Zolensky, T. Mikouchi, H. Genda, S. Tanaka, M. Y. Zolotov, K. Kurosawa, S. Wakita, R. Hyodo, H. Nagano, D. Nakashima, Y. Takahashi, Y. Fujioka, M. Kikuiri, E. Kagawa, M. Matsuoka, A. J. Brearley, A. Tsuchiyama, M. Uesugi, J. Matsuno, Y. Kimura, M. Sato, R. E. Milliken, E. Tatsumi, S. Sugita, T. Hiroi, K. Kitazato, D. Brownlee, D. J. Joswiak, M. Takahashi, K. Ninomiya, T. Takahashi, T. Osawa, K. Terada, F. E. Brenker, B. J. Tkalcec, L. Vincze, R. Brunetto, A. Aléon-Toppani, Q. H. S. Chan, M. Roskosz, J.-C. Viennet, P. Beck, E. E. Alp, T. Michikami, Y. Nagaashi, T. Tsuji, Y. Ino, J. Martinez, J. Han, A. Dolocan, R. J. Bodnar, M. Tanaka, H. Yoshida, K. Sugiyama, A. J. King, K. Fukushi, H. Suga, S. Yamashita, T. Kawai, K. Inoue, A. Nakato, T. Noguchi, F. Vilas, A. R. Hendrix, C. Jaramillo-Correa, D. L. Domingue, G. Dominguez, Z. Gainsforth, C. Engrand, J. Duprat, S. S. Russell, E. Bonato, C. Ma, T. Kawamoto, T. Wada, S. Watanabe, R. Endo, S. Enju, L. Riu, S. Rubino, P. Tack, S. Takeshita, Y. Takeichi, A. Takeuchi, A. Takigawa, D. Takir, T. Tanigaki, A. Taniguchi, K. Tsukamoto, T. Yagi, S. Yamada, K. Yamamoto, Y. Yamashita, M. Yasutake, K. Uesugi, I. Umegaki, I. Chiu, T. Ishizaki, S. Okumura, E. Palomba, C. Pilorget, S. M. Potin, A. Alasli, S. Anada, Y. Araki, N. Sakatani, C. Schultz, O. Sekizawa, S. D. Sitzman, K. Sugiura, M. Sun, E. Dartois, E. De Pauw, Z. Dionnet, Z. Djouadi, G. Falkenberg, R. Fujita, T. Fukuma, I. R. Gearba, K. Hagiya, M. Y. Hu, T. Kato, T. Kawamura, M. Kimura, M. K. Kubo, F. Langenhorst, C. Lantz, B. Lavina, M. Lindner, J. Zhao, B. Vekemans, D. Baklouti, B. Bazi, F. Borondics, S. Nagasawa, G. Nishiyama, K. Nitta, J. Mathurin, T. Matsumoto, I. Mitsukawa, H. Miura, A. Miyake, Y. Miyake, H. Yurimoto, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, H. C. Connolly, D. S. Lauretta, M. Yoshitake, M. Yoshikawa, K. Yoshikawa, K. Yoshihara, Y. Yokota, K. Yogata, H. Yano, Y. Yamamoto, D. Yamamoto, M. Yamada, T. Yamada, T. Yada, K. Wada, T. Usui, R. Tsukizaki, F. Terui, H. Takeuchi, Y. Takei, A. Iwamae, H. Soejima, K. Shirai, Y. Shimaki, H. Senshu, H. Sawada, T. Saiki, M. Ozaki, G. Ono, T. Okada, N. Ogawa, K. Ogawa, R. Noguchi, H. Noda, M. Nishimura, N. Namiki, S. Nakazawa, T. Morota, A. Miyazaki, A. Miura, Y. Mimasu, K. Matsumoto, K. Kumagai, T. Kouyama, S. Kikuchi, K. Kawahara, S. Kameda, T. Iwata, Y. Ishihara, M. Ishiguro, H. Ikeda, S. Hosoda, R. Honda, C. Honda, Y. Hitomi, N. Hirata, N. Hirata, T. Hayashi, M. Hayakawa, K. Hatakeda, S. Furuya, R. Fukai, A. Fujii, Y. Cho, M. Arakawa, M. Abe, S. Watanabe, Y. Tsuda (2022) Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples.  Science 379, doi:10.1126/science.abn8671.
  123. C. Schultz, B. A. Anzures, R. E. Milliken, T. Hiroi, K. Robertson (2023) Assessing the spatial variability of the ~3 μm OH/H2O absorption feature in CM2 carbonaceous chondrites.  Meteorit. Planeta. Sci. 58, 170-194, 10.1111/maps.13946.
  124. A. Longobardo, E. Palomba, A. Galiano, F. Dirri, A. Zinzi, M. D’Amore, D. Domingue, K. Kitazato, Y. Yokota, S. E. Schroeder, T. Iwata, M. Matsuoka, T. Hiroi, D. Takir, T. Nakamura, M. Abe, M. Ohtake, S. Matsuura, S. Watanabe, M. Yoshikawa, T. Saiki, S. Tanaka, T. Okada, Y. Yamamoto, Y. Takei, K. Shirai, N. Hirata, N. Hirata, K. Matsumoto, Y. Tsuda (2022) Photometric behavior of Ryugu’s NIR spectral parameters.  Astronomy & Astrophysics 666, 10.1051/0004-6361/202244097.
  125. Matsuoka, T. Nakamura, N. Miyajima, T. Hiroi, N. Imae, A. Yamaguchi (2022) Spectral and mineralogical alteration process of naturally-heated CM and CY chondrites. Geochimica et Cosmochimica Acta 316, 150-167, https://doi.org/10.1016/j.gca.2021.08.042.
  126. Zhang, K.Tai, Y. Li, J. Zhang, C. Lantz, T. Hiroi, M. Matsuoka, S. Li, Y. Lin, Y. Wen, H. Han, X. Zeng (2022) Diverse space weathering effects on asteroid surfaces as inferred via laser irradiation of meteorites. Astronomy & Astrophysics 659, A78, https://doi.org/10.1051/0004-6361/202142590.
  127. S. Sidhu, E. A. Cloutis, P. Mann, D. Applin, T. Hiroi, K. Mengel, T. Kareta, V. Reddy, P. Beck, S. A. Mertzman (2023) Spectral and mineralogical effects of heating on CM chondrite and related asteroids.  Icarus 398, 115522, https://doi.org/10.1016/j.icarus.2023.115522.
  128. B. E. Clark, A. Sen, X. D. Zou, D. N. DellaGiustina, S. Sugita, N. Sakatani, M. Thompson, D. Trang, E. Tatsumi, M. A. Barucci, M. Barker, H. Campins, T. Morota, C. Lantz, A. R. Hendrix, F. Vilas, L. Keller, V. E. Hamilton, K. Kitazato, S. Sasaki, M. Matsuoka, T. Nakamura, A. Praet, S. M. Ferrone, T. Hiroi, H. H. Kaplan, W. F. Bottke, J. Y. Li, L. Le Corre, J. L. Molaro, R. L. Ballouz, C. W. Hergenrother, B. Rizk, K. N. Burke, C. A. Bennett, D. R. Golish, E. S. Howell, K. Becker, A. J. Ryan, J. P. Emery, S. Fornasier, A. A. Simon, D. C. Reuter, L. F. Lim, G. Poggiali, P. Michel, M. Delbo, O. S. Barnouin, E. R. Jawin, M. Pajola, L. Riu, T. Okada, J. D. P. Deshapriya, J. R. Brucato, R. P. Binzel, D. S. Lauretta (2023) Overview of the search for signs of space weathering on the low-albedo asteroid (101955) Bennu. Icarus 400, 115563, https://doi.org/10.1016/j.icarus.2023.115563.
  129. T. Hiroi (2023) Intelligent Design in Planetary Science as the First Step toward the Unification of Science and Religion. Journal of Hyojeong Academia 1, https://www.jhja.org/publications.
  130. T. Hiroi, R. E. Milliken, K. M. Robertson, C. D. Schultz, K. Amano, T. Nakamura, H. Yurimoto, T. Noguchi, R. Okazaki, H. Naraoka, H. Yabuta, K. Sakamoto, T. Yada, M. Nishimura, A. Nakato, A. Miyazaki, K. Yogata, M. Abe, T. Okada, T. Usui, M. Yoshikawa, T. Saiki, S. Tanaka, S. Nakazawa, Y. Yokota, E. Tatsumi, Y. Tsuda, S. Tachibana, T. Fuyuto, S. Watanabe, S. Sasaki, H. Kaiden, K. Kitazato, M. Matsuoka (2023) Evidence of global space weathering by solar wind on asteroid 162173 Ryugu.  Icarus 406, 115755, https://doi.org/10.1016/j.icarus.2023.115755.
  131. Matsuoka, E.-I. Kagawa, K. Amano, T. Nakamura, E. Tatsumi, T. Osawa, T. Hiroi, R. Milliken, D. Domingue, D. Takir, R. Brunetto, A. Barucci, K. Kitazato, S. Sugita, Y. Fujioka, O. Sasaki, S. Kobayashi, T. Iwata, T. Morota, Y. Yokota, T. Kouyama, R. Honda, S. Kameda, Y. Cho, K. Yoshioka, H. Sawada, M. Hayakawa, N. Sakatani, M. Yamada, H. Suzuki, C. Honda, K. Ogawa, K. Shirai, C. Lantz, S. Rubino, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, T. Yada, M. Nishimura, A. Nakato, A. Miyazaki, K. Yogata, M. Abe, T. Okada, T. Usui, M. Yoshikawa, T. Saiki, S. Tanaka, F. Terui, S. Nakazawa, S.-I. Watanabe and Y. Tsuda (2023) Space weathering acts strongly on the uppermost surface of Ryugu. Communications Earth & Environment 4(1), https://doi.org/10.1038/s43247-023-00991-3.
  132. S. Sasaki, S. Kanda, H. Kikuchi, T. Michikami, T. Morota, C. Honda, H. Miyamoto, R. Hemmi, S. Sugita, E. Tatsumi, M. Kanamaru, S. Watanabe, N. Namiki, P. Michel, M. Hirabayashi, N. Hirata, T. Nakamura, T. Noguchi, T. Hiroi, N. Sakatani, K. Matsumoto, H. Noda, S. Kameda, T. Kouyama, H. Suzuki, M. Yamada, R. Honda, Y. Cho, K. Yoshioka, M. Hayakawa, M. Matsuoka, R. Noguchi, H. Sawada, Y. Yokota, M. Yoshikawa (2023) Crack orientation of boulders on Ryugu: Meridional preference and exfoliation.  Journal of Evolving Space Activities 1, Article No. 89, https:/doi.org/10.57350/jesa.89.
  133. K. Amano, M. Matsuoka, T. Nakamura, E. Kagawa, Y. Fujioka, S. M. Potin, T. Hiroi, E. Tatsumi, R. E. Milliken, E. Quirico, P. Beck, R. Brunetto, M. Uesugi, Y. Takahashi, T. Kawai, S. Yamashita, Y. Enokido, T. Wada, Y. Furukawa, M. E. Zolensky, D. Takir, D. L. Domingue, C. Jaramillo-Correa, F. Vilas, A. R. Hendrix, M. Kikuiri, T. Morita, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, T. Yada, M. Nishimura, A. Nakato, A. Miyazaki, K. Yogata, M. Abe, T. Okada, T. Usui, M. Yoshikawa, T. Saiki, S. Tanaka, F. Terui, S. Nakazawa, S. Watanabe, Y. Tsuda (2023) Reassigning CI chondrite parent bodies based on reflectance spectroscopy of samples from carbonaceous asteroid Ryugu and meteorites.  Science Advances 9, No. 49, eadi3789, https://doi.org/10.1126/sciadv.adi3789.
  134. C. N. Yasanayake, B. W. Denevi, T. Hiroi, B. L. Jolliff, A. C. Martin, A. L. Gao, M. L. Zhang, L. M. Bloom, S. J. Lawrence (2024) The Spectral Characteristics of Lunar Agglutinates: Visible–Near-Infrared Spectroscopy of Apollo Soil Separates.  JGR Planets 129, e2023JE008115, https://doi.org/10.1029/ 2023JE008115.
  135. S. Sasaki, S. Morimitsu, H. Kaiden, T. Hiroi, Y. Egashira, S. Hasegawa, T. Wada (2024) Space weathering simulation with UV irradiation – Rapid changes of reflectance spectra.  J. Evolv. Space Activit. 2, 145, https://doi.org/10.57350/jesa.145.
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Abstracts (Refereed or not)

  1. T. Hiroi, M. Miyamoto, Y. Takano (1985) An assignment of photon absorptions to Fe2+and Cr3+in pyroxenes and olivine by crystal field theory.  Lunar Planet. Sci. 16, 356-357.
  2. T. Hiroi, M. Kinoshita, M. Miyamoto, H. Takeda (1985) A method to determine mineral assemblages of asteroidal surfaces by their spectral reflectances. – 29 Amphitrite as an example of applications -. Proc. 18th ISAS Lunar Planet. Symp., 52-53.
  3. M. Miyamoto and T. Hiroi (1985) Molecular dynamics calculations on silicate condensates from the primitive solar nebula (I): Changes with initial composition. Proc. 18th ISAS Lunar Planet. Symp., 73-74.
  4. T. Aoyama, T. Hiroi, M. Miyamoto, H. Takeda (1986) Absorption spectra and compositions of achondritic polymict breccias and its application to identification. Pap. 11th NIPR Symp. Antarct. Meteorites, 65-67.
  5. T. Aoyama, T. Hiroi, M. Miyamoto, H. Takeda (1987) Absorption spectra and bulk chemical compositions of achondritic polymict breccias with reference to characterization of the surface of Vesta-like asteroids. Lunar Planet. Sci. 18, 27-28.
  6. T. Hiroi and H. Takeda (1989) A method of converting reflectance spectra into absorption coefficient spectra of mineral mixtures for application to asteroidal surface mineralogy. Lunar Planet. Sci. XX, 418-419.
  7. T. Hiroi, J. Saito, H. Takeda (1989) Mineralogical and spectroscopic studies of primitive achondrites with reference to the S-type asteroids. Pap. 14th NIPR Symp. Antarct. Meteorites, 59-61.
  8. T. Hiroi and H. Takeda (1989) Origin of the S-type asteroids deduced from the textural and compositional variations of primitive achondrites. Proc. 22nd ISAS Lunar Planet. Symp., 187-193.
  9. T. Hiroi and H. Takeda (1990) The S-type reflectance spectrum simulated by a chondrite and an iron meteorite. Lunar Planet. Sci. XXI, 516-517.
  10. T. Hiroi and H. Takeda (1990) An asteroidal mission to relate the origins of the S-type asteroids and chondrites. Proc. Solar System Sci. Symp.
  11. T. Hiroi and H. Takeda (1990) Reflectance spectroscopy and mineralogy of primitive achondrites – lodranites. Pap. 15th NIPR Symp. Antarct. Meteorites, 104-106.
  12. H. Takeda and T. Hiroi (1990) Origin of S-asteroids with primitive achondrite affinity by a planetesimal-scale collision model. Proc. 23rd ISAS Lunar Planet. Symp., 206-212.
  13. T. Hiroi and C. M. Pieters (1991) Effects of grain size and shape in modeling reflectance spectra of mineral mixtures. Lunar Planet. Sci. XXII, 577-578.
  14. H. Takeda , J. Saito, M. Miyamoto, T. Hiroi (1991) Mineralogy of MAC88177 and comparison with augite-bearing lodranite, Yamato-74357. Lunar Planet. Sci. XXII, 1375-1376.
  15. T. Hiroi and C. M. Pieters (1991) Estimation of grain sizes and mixing ratios of mafic mineral powders by their reflectance spectra. Bull. Am. Astron. Soc. 24, 873.
  16. T. Hiroi, J. F. Bell, H. Takeda, C. M. Pieters (1992) Spectral comparison between the S-asteroids and primitive achondrites. Lunar Planet. Sci. XXIII, 543-544.
  17. T. Hiroi and C. M. Pieters (1992) Modeling the effects of surface roughness and coating on reflectance spectra. EOS 73, Suppl., 187.
  18. T. Hiroi, J. F. Bell, H. Takeda, C. M. Pieters (1992) Spectral comparison between olivine-rich asteroids and pallasites. Pap. 17th NIPR Symp. Antarct. Meteorites, 53-56.
  19. T. Hiroi, C. M. Pieters, M. E. Zolensky (1993) Comparison of reflectance spectra of C asteroids and unique C chondrites Y86720, Y82162, B7904. Lunar Planet. Sci. XXIV, 659-660.
  20. F. Vilas, T. Hiroi, M. E. Zolensky (1993) Comparison of visible and near-infrared reflectance spectra of CM2 carbonaceous chondrites and primitive asteroids. Lunar Planet. Sci. XXIV, 1465-1466.
  21. H. Takeda, K. Saiki, M. Otsuki, T. Hiroi (1993) A new Antarctic meteorite with chromite, orthopyroxene and metal with reference to a formation model of S asteroids. Lunar Planet. Sci. XXIV, 1395-1396.
  22. T. Hiroi, C. M. Pieters, M. E. Zolensky, M. E. Lipschutz (1993) Similarity of reflectance spectra between C, G, B, F asteroids and thermally metamorphosed carbonaceous chondrites. Pap. 18th NIPR Symp. Antarct. Meteorites, 93-96.
  23. K. Yugami, M. Miyamoto, H. Takeda, T. Hiroi (1993) Mineralogy of ALH81187: A partly reduced acapulcoite. Pap. 18th NIPR Symp. Antarct. Meteorites, 34-37.
  24. T. Hiroi, F. Vilas, J. M. Sunshine (1994) Possible spinel absorption bands in S-asteroid visible reflectance spectra. Lunar Planet. Sci. XXV, 553-554.
  25. R. V. Morris, M. E. Zolensky, T. Hiroi, M. E. Lipschutz (1994) Mössbauer mineralogy of calcined Murchison meteorite. Lunar Planet. Sci. XXV, 941-942.
  26. M. E. Zolensky, M. E. Lipschutz, T. Hiroi (1994) Mineralogy of artificially heated carbonaceous chondrites. Lunar Planet. Sci. XXV, 1567-1568.
  27. H. Takeda, M. Otsuki, A. Yamaguchi, M. Miyamoto, M. Otsuki, M. Tomobuchi, T. Hiroi (1994) Inhomogeneous distribution of materials in lodranites-acapulcoites and IAB irons and their common formation processes. Lunar Planet. Sci. XXV, 1375-1376.
  28. T. Hiroi, M. E. Zolensky, M. E. Lipschutz (1994) Mineralogy and spectroscopy of heated Allende meteorite and a K-type asteroid 221 Eos. Pap. 19th NIPR Symp. Antarct. Meteorites, 194-197.
  29. J. L. Bishop, C. M. Pieters, J. F. Mustard, S. F. Pratt, T. Hiroi (1994) Spectral analyses of ALH84001, a meteorite from Mars. Meteoritics 29, 444-445.
  30. B. E. Clark and T. Hiroi (1994) S-type asteroid spectral continua: Redness and Fe, Ni metal. Bull. Am. Astron. Soc. 26, 1172.
  31. T. Hiroi and F. Vilas (1995) Characterization of absorption bands (0.6-0.9 µm) in reflectance spectra of primitive asteroids. Lunar Planet. Sci. XXVI, 611-612.
  32. T. Hiroi, C. M. Pieters, M. E. Zolensky, M. E. Lipschutz (1995) Thermal metamorphism of the C, G, B, F asteroids seen from the 3-µm absorption band in comparison with carbonaceous chondrites. Antarct. Meteorites 20, 72-75.
  33. T. Hiroi, C. M. Pieters, M. E. Zolensky, M. E. Lipschutz (1995) Possible thermal metamorphism of the C asteroids seen from the 3-µm hydration band in comparison with heated CI/CM meteorites. Meteoritics 30, 521.
  34. T. Hiroi, C. M. Pieters, M. E. Zolensky, M. Prinz (1996) Reflectance spectra (UV-3µm) of heated Ivuna (CI) meteorite and newly identified thermally metamorphosed CM chondrites. Lunar Planet. Sci. XXVII, 551-552.
  35. T. Hiroi, C. M. Pieters, R. V. Morris (1997) New considerations for estimating lunar soil maturity from Vis-NIR reflectance spectroscopy. Lunar Planet. Sci. XXVIII, 575-576.
  36. T. Hiroi, M. E. Zolensky, C. M. Pieters (1997) Characterization of unusual CI/CM/CR meteorites from reflectance spectroscopy. Lunar Planet. Sci. XXVIII, 577-578.
  37. J. L. Bishop, C. M. Pieters, T. Hiroi (1997) Spectroscopy properties of Martian meteorite ALH 84001 and identification of minerals and organic species. Lunar Planet. Sci. XXVIII, 117-118.
  38. T. Hiroi (1997) Origin of Vesta-like asteroids suggested from planetary surface alteration trend of Vis-NIR reflectance spectra of HED meteorites. Antarct. Meteorites 22, 52-55.
  39. J. L. Bishop, C. M. Pieters, T. Hiroi (1997) The source of organic spectral features in ALH 84001: Lab contamination, terrestrial or extra-terrestrial? Meteoritics & Planet. Sci. 32, A14-15.
  40. R. N. Clayton, T. K. Mayeda, T. Hiroi, M. E. Zolensky, M. E. Lipschutz (1997) Oxygen isotopes in laboratory-heated CI and CM chondrites. Meteoritics & Planet. Sci. 32, A30.
  41. T. Hiroi and C. M. Pieters (1997) Origin of Vestoids suggested from their space weathering trend. Bull. Am. Astron. Soc. 29, 973.
  42. T. Hiroi and C. M. Pieters (1998) Modified Gaussian deconvolution of reflectance spectra of lunar soils. Lunar Planet. Sci. XXIX, Abstract #1253.
  43. C. M. Pieters, L. A. Taylor, T. Hiroi, D. McKay, S. Wentworth, R. Morris (1998) Optical properties and abundances of minerals and glasses in the 10 to 40 micron size fraction of mare soils: Part II. Lunar Planet. Sci. XXIX, Abstract #1827.
  44. T. Hiroi and M. E. Zolensky (1998) UV-Vis-NIR absorption features of heated phyllosilicates as remote-sensing clues of thermal histories of primitive asteroids. Antarct. Meteorites 23, 30-32.
  45. T. Hiroi (1998) Remote sensing of rock-forming minerals and chemical compositions of minerals. Joint Symp. Jap. Mineral. Soc. & Jap. Geochem. Soc. (Invited talk).
  46. T. Hiroi and S. Sasaki (1998) Importance of olivine in space weathering suggested from the S-asteroid reflectance spectra. Abst. 1998 Fall Meeting Jap. Soc. Planet. Sci., 89.
  47. T. Hiroi and S. Sasaki (1999) Importance of olivine in S-asteroid space weathering. Lunar Planet. Sci. XXX, Abstract #1444. [This paper was once rejected by a biased reviewer with approvals of David Black and Carl Agee.  It was later accepted as a poster presentation.  However, neither David Black nor Carl Agee admitted their misjudgment.]
  48. M. Yamada, S. Sasaki, A. Fujiwara, T. Hiroi, S. Hasegawa, H. Nagahara, H. Ohashi, Ho. Ohtake, H. Yano (1999) Simulation of space weathering by nanosecond pulse laser heating and proton implantation: Difference of olivine and pyroxene samples. Lunar Planet. Sci. XXX, Abstract #1566.
  49. J. L. Bishop, C. M. Pieters, J. F. Mustard, T. Hiroi (1999) Spectral identification of major and minor constituents of Martian meteorite ALH 84001 and the importance for remote sensing on Mars. Lunar Planet. Sci. XXX, Abstract #2038.
  50. T. Hiroi and S. Sasaki (1999) Space weathering of olivine as a key to understanding S/A/R/V asteroids and lunar soils. Antarct. Meteorites 24, 34-36.
  51. T. Hiroi and S. Sasaki (1999) Change in continuum in asteroid reflectance spectra by space weathering. Japan Earth and Planetary Science Joint Meeting, Abstract #Pd-037.
  52. S. Sasaki, M. Yamada, H. Nagahara, A. Fujiwara, T. Hiroi, S. Hasegawa, H. Yano, H. Ohashi, H. Otake (1999) Simulation of space weathering by irradiation of nanosecond pulse laser and proton beams. Japan Earth and Planetary Science Joint Meeting, Abstract #Pd-P004.
  53. H. Takeda and T. Hiroi (1999) Internal structures of asteroids as inferred from mineralogy of some meteorites. Asteroids, Comets, Meteors, 30-31.
  54. T. Hiroi and S. Sasaki (1999) Importance of olivine in the S/A/R/V asteroid space weathering. Asteroids, Comets, Meteors, 102.
  55. Sasaki, M. Yamada, T. Hiroi, H. Nagahara, A. Fujiwara, S. Hasegawa, H. Yano, H. Ohashi, H. Ohtake (1999) Laboratory simulation of space weathering by nanosecond pulse laser and proton irradiation: Difference between olivine and pyroxene. Asteroids, Comets, Meteors, 104.
  56. T. Hiroi, C. M. Pieters, S. K. Noble (2000) Improved scheme of modified Gaussian deconvolution for reflectance spectra of lunar soils. Lunar Planet. Sci. XXXI, Abstract #1548.
  57. T. H. Burbine, R. P. Binzel, S. J. Bus, P. C. Buchanan, J. L. Hinrichs, A. Meibom, T. Hiroi, J. M. Sunshine (2000) Forging asteroid-meteorite relationships through reflectance spectroscopy. Lunar Planet. Sci. XXXI, Abstract #1844.
  58. S. K. Noble, C. M. Pieters, T. Hiroi, L. A. Taylor, R. V. Morris, L. P. Keller, D. S. McKay, S. Wentworth (2000) Initial results of MGM analysis on Apollo 17 soil suite. Lunar Planet. Sci. XXXI, Abstract #1880.
  59. A. T. Basilevsky, O. I. Yakovlev, A. V. Fisenko, L. F. Semjonova, L. V. Moroz, C. M. Pieters, T. Hiroi, N. G. Zinovieva, H. U. Keller, A. S. Semenova, L. D. Barsukova, I. A. Roshchina, A. Kh. Galuzinskaya, I. A. Stroganov (2000) Simulation of impact melting effect on optical properties of martian regolith. Lunar Planet. Sci. XXXI, Abstract #1214.
  60. R. V. Moroz, C. M. Pieters, A. T. Basilevsky, T. Hiroi, O. I. Yakovlev, A. V. Fisenko, L. F. Semjonova, N. G. Zinovieva, A. S. Semenova, L. D. Barsukova, I. A. Roshchina, A. Kh. Galuzinskaya, I. A. Stroganov (2000) Reflectance spectroscopy of martian impact glass simulants. Lunar Planet. Sci. XXXI, Abstract #1532.
  61. A. T. Basilevsky, O. I. Yakovlev, A. V. Fisenko, L. F. Semjonova, L. V. Moroz, C. M. Pieters, T. Hiroi, N. G. Zinovieva, H. U. Keller, A. S. Semenova, L. D. Barsukova, I. A. Roshchina, A. Kh. Galuzinskaya, I. A. Stroganov (2000) Simulation of impact melting effect on optical properties of Martian soil, Experiment in Geosciences 9, No. 1.3, Paper # 111.
  62. A. T. Basilevsky, O. I. Yakovlev, A. V. Fisenko, L. F. Semjonova, L. V. Moroz, C. M. Pieters, T. Hiroi, N. G. Zinovieva, H. U. Keller, A. S. Semenova, L. D. Barsukova, I. A. Roshchina, A. Kh. Galuzinskaya, I. A. Stroganov (2000) Simulation of effect of impact melting on optical properties of Martian soil. Herald DGGGMS RAS, No. 5(15), v. 2, planet3.eng.
  63. T. Hiroi, M. E. Zolensky, M. E. Lipschutz (2000) Possible meteorite analogs for asteroid 1989ML. ¾ Target of MUSES-C asteroid sample return mission ¾. Antarct. Meteorites 25, 14-15.
  64. T. Hiroi, C. M. Pieters, F. Vilas, S. Sasaki, Y. Hamabe, E. Kurahashi (2000) Possible space weathering of Vesta and Vestoids evident in their reflectance spectra. Eos 81, WP101-102.
  65. S. Sasaki, Y. Hamabe, E. Kurahashi, T. Hiroi, S. Hasegawa, H. Ohashi, T. Kogure, T. Tagai, M. Yamada (2000) Simulation of space weathering by pulse laser heating: Changes of reflectance spectra of planetary surface materials. Eos 81, WP95.
  66. S. Sasaki, K. Nakamura, Y. Hamabe, E. Kurahashi, T. Kogure, T. Hiroi (2000) Laboratory simulation of space weathering: Formation of Nanophase particles and spectral change. Meteorit. Planet. Sci. 35, 141-142.
  67. T. Hiroi, M. E. Zolensky, C. M. Pieters (2001) Discovery of the first D-asteroid spectral counterpart: Tagish Lake meteorite. Lunar Planet. Sci. XXXII, Abstract #1776.
  68. S. Sasaki, K. Nakamura, Y. Hamabe, E. Kurahashi, T. Hiroi (2001) A successful simulation of space weathering – Spectral change and nanophase Fe particles on olivine by pulse-laser irradiation. Lunar Planet. Sci. XXXII, Abstract #1610.
  69. K. Nakamura, S. Sasaki, Y. Hamabe, E. Kurahashi, T. Hiroi (2001) Laboratory simulation of space weathering: A transmission electron microscopic study – Microstructures of the laser irradiated samples. Lunar Planet. Sci. XXXII, Abstract #1547.
  70. T. Hiroi, M. E. Zolensky, C. M. Pieters (2001) The Tagish Lake meteorite: First sample from the D asteroids. Antarct. Meteorites 26, 29-31.
  71. R. V. Moroz, A. T. Basilevsky, C. M. Pieters, T. Hiroi, O. I. Yakovlev, A. V. Fisenko, L. F. Semjonova, D. A. Khramov, N. G. Zinovieva, A. S. Semenova, L. D. Barsukova, I. A. Roshchina, A. Kh. Galuzinskaya, I. A. Stroganov, G. Arnold (2001) Spectral properties of simulated martian impact glasses. Meteorit. Planet. Sci. 36 Suppl., A141.
  72. E. K. Tonui, M. E. Zolensky, T. Hiroi, M.-S. Wang, M. E. Lipschutz (2002) Petrographic, chemical, spectroscopic data on thermally metamorphosed carbonaceous chondrites. Lunar Planet. Sci. XXXIII, Abstract #1288.
  73. Y. Ueda, T. Hiroi, C. M. Pieters, M. Miyamoto (2002) Expanding the modified Gaussian model to include the space weathering effects: Estimation of the weathering degrees of pulse-laser treated olivine samples. Lunar Planet. Sci. XXXIII, Abstract #1950.
  74. Y. Ueda, T. Hiroi, C. M. Pieters, M. Miyamoto (2002) Changes of Band I center and Band II/Band I area ratio in reflectance spectra of olivine-pyroxene mixtures due to the space weathering and grain size effects. Lunar Planet. Sci. XXXIII, Abstract #2023.
  75. T. Hiroi and S. Hasegawa (2002) Revisiting the search for the parent body of the Tagish Lake meteorite. – Case of a T/D asteroid 308 Polyxo. Antarct. Meteorites 27, 32-33.
  76. Y. Ueda, T. Mikouchi, M. Miyamoto, T. Hiroi (2002) First analysis of the reflectance spectrum of Yamato 000593: The spectroscopic similarity between Yamato 000593 and Nakhla. Antarct. Meteorites 27, 171-173.
  77. A. Kanno, T. Hiroi, R. Nakamura, M. Abe, M. Ishiguro, S. Hasegawa, S. Miyasaka, T. Sekiguchi, H. Terada, G. Igarashi (2002) Photometric and Near-IR Spectroscopic Observations of a D-type Asteroid, 773 Irmintraud, by SUBARU / IRCS. Asteroids, Comets, Meteors, 170.
  78. Y. Ueda, M. Miyamoto, T. Hiroi, T. Mikouchi (2002) Material analysis on the surface of asteroid using reflectance spectrum: Extended modified Gaussian model with space weathering effects. Proc. ISAS Lunar Planet. Symp. 35, 128-130.
  79. A. Kanno, T. Hiroi, R. Nakamura, M. Abe, M. Ishiguro, S. Hasegawa, S. Miyasaka, T. Sekiguchi, H. Terada, G. Igarashi (2002) Proc. ISAS Lunar Planet. Smp. 35, 154-157.
  80. S. Sasaki, E Kurahashi, K. Nakamura, T. Hiroi, C. Yamanaka (2002) Simulation of space weathering by nanosecond pulse laser irradiation: Spectral change and TEM-ESR confirmation of nanophase iron particles. Solar System Remote Sensing Symp., Abstract #4020.
  81. S. Sasaki, E Kurahashi, K. Nakamura, T. Hiroi, C. Yamanaka (2002) Laboratory simulation of space weathering: TEM and ESR confirmation of nanophase iron particles and change of optical properties of regolith. Proc. Asteroids, Comets, Meteors, 929-931.
  82. S. Sasaki, E. Kurahashi, K. Nakamura, T. Hiroi, C. Yamanaka (2002) Simulation of Space Weathering on Regolith Surface: TEM and ESR Confirmation of Nanophase Iron Particles. Division for Planetary Sciences Meeting 34, 402.
  83. R. V. Moroz, A. T. Basilevsky, C. M. Pieters, T. Hiroi, O. I. Yakovlev, A. V. Fisenko, L. F. Semjonova, D. A. Khramov, N. G. Zinovieva, A. S. Semenova, L. D. Barsukova, I. A. Roshchina, A. Kh. Galuzinskaya, I. A. Stroganov, G. Arnold (2002) Spectral properties of simulated impact glasses produced from Martian soil analogue JSC Mars-1. Int. Workshop “Exploring Mars Surface and its Earth Analogues”, September 23-25, 2002, Cannizzaro, Italy, 62.
  84. T. Hiroi, L. V. Moroz, T. V. Shingareva, A. T. Basilevsky, C. M. Pieters (2003) Effects of Microsecond Pulse Laser Irradiation on Vis-NIR Reflectance Spectrum of Carbonaceous Chondrite Simulant: Implications for Martian Moons and Primitive Asteroids. Lunar Planet. Sci. XXXIV, Abstract #1324.
  85. T. Hiroi, A. Kanno, R. Nakamura, M. Abe, M. Ishiguro, S. Hasegawa, S. Miyasaka, T. Sekiguchi, H. Terada, G. Igarashi (2003) The Tagish Lake meteorite as a possible sample from a T or D type asteroid. Lunar Planet. Sci. XXXIV, Abstract #1425.
  86. A. S. Rivkin, T. Hiroi, F. Hörz, M. Cintala (2003) Spectroscopy of impacted serpentine: Implications for asteroid surfaces. Lunar Planet. Sci. XXXIV, Abstract #1716.
  87. Y. Ueda, M. Miyamoto, T. Mikouchi, T. Hiroi (2003) Surface material analysis of S-type asteroids: Removing the space weathering effect from reflectance spectrum. Lunar Planet. Sci. XXXIV, Abstract #2078.
  88. C. M. Pieters, T. Hiroi, C. T. Russell, H. Y. McSween, Jr. (2003) HED meteorites: Ground truth to investigate petrogenesis on Vesta. Meteoritics Planet. Sci. 38, A69.
  89. T. Hiroi (2003) Searching for the parent bodies of meteorites through reflectance spectroscopy: Current state. Evolution of Solar System Materials: A New Perspective from Antarctic Meteorites, 38-39 (Invited talk).
  90. T. V. Shingareva, A. T. Basilevsky, A. V. Fisenko, L. F. Semjonova, I. A. Roshchina, T. Hiroi, C. M. Pieters, L. V. Moroz, E. V. Guseva, N. N. Korotaeva (2003) Simulation of space weathering processes in the uppermost regolith layer of Phobos. Herald of the Dept. of Earth Sciences RAS, No. 1(21), planet-10e.pdf.
  91. T. Hiroi, C. M. Pieters, M. J. Rutherford, M. E. Zolensky, S. Sasaki, Y. Ueda, M. Miyamoto (2004) What are the P-type asteroids made of? Lunar Planet. Sci. XXXV, Abstract #1616.
  92. M. Abe, Y. Takagi, S. Abe, K. Kitazato, T. Hiroi, Y. Ueda, F. Vilas, B. E. Clark, A. Fujiwara (2004) Characteristics and current status of Near Infrared Spectrometer for Hayabusa Mission. Lunar Planet. Sci. XXXV, Abstract #1724.
  93. S. Hasegawa, T. Hiroi, M. Ishiguro, H. Nonaka, N. Takato, C. J. Davis, M. Ueno, K. Murakawa (2004) Spectroscopic observation of 4 Vesta from 1.9 to 3.5 micron: Evidence of hydrated and/or hydroxylated minerals. Lunar Planet. Sci. XXXV, Abstract #1458.
  94. J. M. Sunshine, J. Bishop, D. Dyar, T. Hiroi, R. Klima, C. M. Pieters (2004) Near-infrared spectra of martian pyroxene separates: First results from Mars spectroscopy consortium. Lunar Planet. Sci. XXXV, Abstract #1636.
  95. R. V. Moroz, T. Hiroi, T. V. Shingareva, A. T. Basilevsky, A. V. Fisenko, L. F. Semjonova, C. M. Pieters (2004) Reflectance spectra of CM2 chondrite Mighei irradiated with pulsed laser and implications for low-albedo asteroids and martian moons. Lunar Planet. Sci. XXXV, Abstract #1279.
  96. C. M. Pieters and T. Hiroi (2004) RELAB (Reflectance Experiment Laboratory): A NASA multiuser spectroscopy facility. Lunar Planet. Sci. XXXV, Abstract #1720.
  97. C. M. Pieters, D. Dyar, T. Hiroi, J. Bishop, J. M. Sunshine, R. Klima (2004) Pigeonite masquerading as olivine at Mars: First results from Mars spectroscopy consortium. Lunar Planet. Sci. XXXV, Abstract #1171.
  98. S. Sasaki, Y. Ueda, E. Kurahashi, M. Loeffler, T. Hiroi (2004) Change of asteroid reflectance spectra by space weathering: Pulse laser irradiation on meteorite samples. Lunar Planet. Sci. XXXV, Abstract #1538.
  99. S. Shah, B. E. Clark, T. Hiroi, M. E. Zolensky (2004) Deconvolving terrestrial alteration mineral spectral signatures from meteorite reflectance measurements. Lunar Planet. Sci. XXXV, Abstract #1012.
  100. T. V. Shingareva, A. T. Basilevsky, A. V. Fisenko, L. F. Semjonova, L. V. Moroz, T. Hiroi, C. M. Pieters, N. N. Korotaeva (2004) Simulation micrometeoritic bombardment of Phobos and dark asteroid surfaces by laser treatment of CM2 carbonaceous chondrite Mighei. Herald of the Dept. of Earth Sciences RAS, No. 1(22), planet-7e.pdf.
  101. R. V. Moroz, T. V. Shingareva, A. T. Basilevsky, T. Hiroi, A. V. Fisenko, L. F. Semjonova, C. M. Pieters (2004) Simulation of micrometeoritic bombardment of CM2 carbonaceous chondite: Reflectance and implications for dark asteroids and Martian moons. EGU 2004. Nice, France, A-05881.
  102. M. D. Dyar, C. M. Pieters, T. Hiroi, M. D. Lane, G. J. Marchand (2005) Integrated spectroscopic studies of MIL03346. Lunar Planet. Sci. XXXVI, Abstract #1261.
  103. M. D. Lane, J. L. Bishop, M. D. Dyar, E. Cloutis, F. L. Forray, T. Hiroi (2005) Integrated spectroscopic studies of anhydrous sulfate minerals. Lunar Planet. Sci. XXXVI, Abstract #1442.
  104. T. Hiroi, E. Tonui, C. M. Pieters, M. E. Zolensky, Y. Ueda, M. Miyamoto, S. Sasaki (2005) Meteorite WIS91600: A new sample related to a D- or T-type asteroid. Lunar Planet. Sci. XXXVI, Abstract #1564.
  105. M. D. Dyar, M. D. Lane, J. L. Bishop, V O’Conner, E. Cloutis, T. Hiroi (2005) Integrated spectroscopic studies of hydrous sulfate minerals. Lunar Planet. Sci. XXXVI, Abstract #1662.
  106. M. Abe, Y. Takagi, K. Kitazato, T. Hiroi, S. Abe, F. Vilas, B. E. Clark, A. Fujiwara (2005) Observations with Near Infrared Spectrometer for Hayabusa Mission in the cruising phase. Lunar Planet. Sci. XXXVI, Abstract #1604.
  107. R. V. Moroz, M. Schmidt, U. Schade, T. Hiroi, M. A. Ivanova (2005) Synchrotron-based infrared microspectroscopy as a useful tool to study hydration states of meteorite constituents. Lunar Planet. Sci. XXXVI, Abstract #2096.
  108. S. K. Noble, C. M. Pieters, T. Hiroi (2005) Extracting quantitative data from lunar soil spectra. Lunar Planet. Sci. XXXVI, Abstract #1255.
  109. L. Moroz, T. Hiroi, T. Shingareva, A. Basilevsky, A. Fisenko, L. Semjonova, C.M. Pieters (2005) Reflectance spectra of possible Phobos analogue materials as a support for interpretation of Mars Express data. 1st Mars Express Science Conf., 21-25 February 2005, Noordwijk, the Netherlands.
  110. T. Hiroi, Y. Ueda, T. Nimura, M. Abe, M. Ishiguro, S. Sasaki (2006) A new scheme for estimating the degree of space weathering through visible multiband spectroscopy using an ECAS-type filter system such as Hayabusa AMICA. Lunar Planet. Sci. XXXVII, Abstract #1396.
  111. M. Abe, Y. Takagi, K. Kitazato, T. Hiroi, S. Abe, F. Vilas, B. E. Clark, P. A. Abell, S. M. Lederer, K. S. Jarvis, T. Nimura, Y. Ueda, A. Fujiwara (2006) Preliminary results from the Hayabusa Near Infrared Spectrometer (NIRS) of asteroid (25143) Itokawa. Lunar Planet. Sci. XXXVII, Abstract #1547.
  112. S. Sasaki, T. Nimura, T. Hiroi, M. Ishiguro, N. Hirata, M. Abe, Y. Ueda, A. Yamamoto (2006) Space weathering of rock surface without regolith: Laboratory simulation of spectral change. Lunar Planet. Sci. XXXVII, Abstract #1705.
  113. M. Ishiguro, T. Hiroi, D. J. Tholen, A. Yamamoto, S. Sasaki, F. Yoshida, B. E. Clark, R. Nakamura, J. Saito (2006) Detection of a large variation in the degree of space weathering on the surface of Itokawa by Hayabusa/AMICA observations. Lunar Planet. Sci. XXXVII, Abstract #1533.
  114. C. M. Pieters, M. D. Dyar, T. Hiroi, M. D. Lane, A. H. Treiman, M. McCanta, J. L. Bishop, J. M. Sunshine (2006) Optical properties of martian dunite NWA 2737: A record of martian processes. Lunar Planet. Sci. XXXVII, Abstract #1634.
  115. K. Kitazato, B. E. Clark, M. Abe, S. Abe, Y. Takagi, T. Hiroi (2006) Near-infrared photometry of asteroid 25143 Itokawa by the NIRS onboard Hayabusa. Lunar Planet. Sci. XXXVII, Abstract #2258.
  116. T. Nimura, T. Hiroi, M. Ohtake, Y. Ueda, M. Abe, A. Fujiwara (2006) An Attempt of Restricting Olivine Bands in the Modified Gaussian Model. Lunar Planet. Sci. XXXVII, Abstract #1600.
  117. M. C. McCanta, M. D. Dyar, A. H. Treiman, C. M. Pieters, T. Hiroi, M. D. Lane, J.L. Bishop (2006) Mössbauer and synchrotron microxanes analysis of NWA2737. Lunar Planet. Sci. XXXVII, Abstract #1751.
  118. A. H. Treiman, M. McCanta, M. D. Dyar, C. M. Pieters, T. Hiroi, M. D. Lane, J. L. Bishop (2006) Brown and clear olivine in chassignite NWA 2737: Water and deformation. Lunar Planet. Sci. XXXVII, Abstract #1314.
  119. T. Hiroi, M. Abe, K. Kitazato, S. Abe, B. E. Clark, S. Sasaki, M. Ishiguro (2006) The S-type asteroid – ordinary chondrite controversy and discoveries by the Hayabusa mission to asteroid 25143 Itokawa. Antarct. Meteorites 31, 21.
  120. T. Hiroi, M. Abe, K. Kitazato, S. Abe, S. Sasaki, M. Ishiguro, Y. Takagi, B. E. Clark, O. S. Barnouin-Jha (2007) Meteorite analogs of asteroid 25143 Itokawa: Seeing beyond the effects of grain size and space weathering. Lunar Planet. Sci. XXXVIII, Abstract #1048.
  121. R. Klima, C. M. Pieters, J. M. Sunshine, T. Hiroi, J. L. Bishop, M. Lane, D. Dyar, A. Treiman (2007) Coordinated spectroscopic and petrologic investigation of LAP 04840: First results of infrared, thermal and Raman spectroscopy. Lunar Planet. Sci. XXXVIII, Abstract #1710.
  122. T. Nimura, T. Hiroi, C. M. Pieters (2007) An improved spectroscopic model for space weathering through the formation of a vapor deposition layer containing nanophase reduced iron particles. Lunar Planet. Sci. XXXVIII, Abstract #2167.
  123. M. Abe, F. Vilas, K. Kitazato, P. A. Abell, Y. Takagi, S. Abe, T. Hiroi, B. E. Clark (2007) In-flight calibration of the Hayabusa Near-Infrared Spectrometer (NIRS). Lunar Planet. Sci. XXXVIII, Abstract #2051.
  124. S. Sasaki, M. Ishiguro, N. Hirata, T. Hiroi, M. Abe, S. Abe, H. Miyamoto, J. Saito, A. Yamamoto, H. Demura, K. Kitazato, R. Nakamura (2007) Origin of surface albedo/color variation on rubble-pile Itokawa. Lunar Planet. Sci. XXXVIII, Abstract # 1293.
  125. C. M. Pieters, R. L. Klima, T. Hiroi, M. D. Dyar, M. D. Lane, A. H. Treiman, S. K. Noble, J. M. Sunshine, J. L. Bishop (2007) The origin of brown olivine in Martian dunite NWA 2737. Meteorit. Planet. Sci., Suppl.
  126. T. Hiroi, T. Nimura, Y. Ueda, S. Sasaki, C. M. Pieters (2007) How much of the S-type asteroids are made of ordinary chondrite materials, why are they so highly space-weathered? Antarct. Meteorites 32, 25.
  127. T. Hiroi, T. Nimura, Y. Ueda, S. Sasaki, C. M. Pieters (2008) Deriving the distribution of ordinary chondrite (H, L, LL)-like materials in asteroids from their visible and near-infrared reflectance spectroscopy. Lunar Planet. Sci. XXXIX, Abstract #1997.
  128. C. M. Pieters, P. J. Isaacson, R. L. Klima, T. Hiroi, A. B. Sarbadhikari, Y. Liu, L. A. Taylor (2008) Lunar rock and mineral characterization consortium (LRMCC): Links to global science and exploration. Lunar Planet. Sci. XXXIX, Abstract #1900.
  129. S. Sasaki and T. Hiroi (2008) How does space weathering depend on the surface condition of airless bodies (asteroids, the Moon, Mercury)? Lunar Planet. Sci. XXXIX, Abstract #1625.
  130. T. Nimura, T. Hiroi, C. M. Pieters (2008) An integrated model utilizing the modified Gaussian model, a mineral-mixing model, a space-weathering model. Lunar Planet. Sci. XXXIX, Abstract #2392.
  131. T. Matsunaga, M. Ohtake, J. Haruyama, Y. Ogawa, R. Nakamura, Y. Yokota, T. Morota, C. Honda, M. Torii, M. Abe, T. Nimura, T. Hiroi, T. Arai, K. Saiki, H. Takeda, N. Hirata, S. Kodama, T. Sugihara, H. Demura, N. Asada, J. Terazono, H. Otake (2009) Current status and first scientific results of SELENE Spectral Profiler. Lunar Planet. Sci. XL, Abstract #2133.
  132. Y. Ogawa, T. Matsunaga, R. Nakamura, H. Takeda, M. Ohtake, T. Morota, T. Hiroi, T. Arai, K. Saiki, T. Sugihara, J. Haruyama, Y. Yokota, C. Honda, T. Nimura, N. Hirata, H. Demura, N. Asada, J. Terazono (2009) Mineral compositions of the bright rayed craters and lunar far-side crust revealed by the continuous Vis-NIR spectra by Spectral Profiler on SELENE/Kaguya. Lunar Planet. Sci. XL, Abstract #1650.
  133. T. Hiroi, P. J. Isaacson, R. L. Klima, C. M. Pieters, A. B. Sarbadhikari, Y. Liu, L. A. Taylor (2009) Reproducing visible and near-infrared reflectance spectra of lunar rocks directly from their end-member spectra: Importance of ilmenite in estimating the lunar surface composition. Lunar Planet. Sci. XL, Abstract #1723.
  134. J. M. Sunshine, J. M. D. Day, R. D. Ash, T. J. McCoy, S. J. Bus, R. L. Klima, T. Hiroi (2009) Searching for the evolved crust of oxidized asteroids. Lunar Planet. Sci. XL, Abstract #1965.
  135. L. A. McFadden, E. Ammonito, E. A. Cloutis, A. Coradini, M.C. deSanctis, M. Fulchignoni, E. Hadamcik, T. Hiroi, L. Kolokolova, A. C. Levasseur-Regourd, V. Psarev, J.-B. Renard (2009) Coordinated laboratory studies of meteorites supporting Rosetta Mission’s asteroid flyby target: 2867 Steins. Lunar Planet. Sci. XL, Abstract #2287.
  136. P. J. Isaacson, C. M. Pieters, R. L. Klima, T. Hiroi, A. B. Sarbadhikari, Y. Liu, L. A. Taylor (2009) Te lunar rock and mineral characterization consortium (LRMCC): Integrated analyses and mineral endmembers from mare basalts. Lunar Planet. Sci. XL, Abstract #1821.
  137. M. D. Lane, T. D. Glotch, M. D. Dyar, J. L. Bishop, C. M. Pieters, R. Klima, T. Hiroi, J. M. Sunshine (2009) Termal infrared spectroscopy of a synthetic olivine series (forsterite-fayalite) and interpretation of the Nili Fossae, Syrtis Major, Isidis regions of Mars. Lunar Planet. Sci. XL, Abstract #2469.
  138. T. Hiroi (2009) Space weathering. Antarct. Meteorites 32, 19 (Invited talk).
  139. M. D. Dyar, T. Hiroi, T. Glotch, M. D. Lane, B. Wopenka, R. Klima, J. L. Bishop, C. Pieters, J. Sunshine, G. J. Marchand, S. J. Seaman (2009) Reflectance, transmission, emission, Raman, Mössbauer spectroscopy of Yamato 984028. Antarct. Meteorites 32, 7-8.
  140. T. Hiroi, Peter M. Jenniskens, Janice L. Bishop, Tahani Shatir (2010) Reflectance spectroscopy of Almahata Sitta meteorite samples from asteroid 2008 TC3. Lunar Planet. Sci. XLI, Abstract #1148.
  141. M. Ohtake, T. Mastunaga, H. Takeda, Y. Yokota, S. Yamamoto, T. Morota, Y. Ogawa, T. Hiroi, R. Nakamura, J. Haruyama (2010) Distribution of purest anorthosite on the entire lunar surface. Lunar Planet. Sci. XLI, Abstract #1628.
  142. M. D. Dyar, M. D. Lane, T. Glotch, T. Hiroi, B. Wopenka, R.Klima, J. L. Bishop, C. M. Pieters, J. M. Sunshine, G. J. Marchand, S. J. Seaman (2010) Spectroscopy of Yamato 984028. Lunar Planet. Sci. XLI, Abstract #1831.
  143. J. L. Bishop, H. D. Makarewicz, W. P. Gates, N. K. McKeown, T. Hiroi (2010) Beidellites: Spectral properties and importance for Mars. Lunar Planet. Sci. XLI, Abstract #2080.
  144. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2010) Global distribution of olivine exposures on the Moon revealed by SELENE Spectral Profiler. Lunar Planet. Sci. XLI, Abstract #1646.
  145. T. Nimura, T. Hiroi, C. M. Pieters, M. Abe (2010) An application of a unified model of intimate mixing, space weathering, modified Gaussian deconvolution to a ground-based spectra of asteroids. Lunar Planet. Sci. XLI, Abstract #2711.
  146. N. Tsuboi, S. Sugita, T. Hiroi, K. Nagata, M. Okada (2010) A new modified Gaussian model (MGM) using the cross-validation method. Lunar Planet. Sci. XLI, Abstract #1744.
  147. T. Matsunaga, M. Ohtake, J. Haruyama, S. Yamamoto, Y. Ogawa, R. Nakamura, Y. Yokota, T. Morota, C. Honda, M. Abe, T. Nimura, T. Hiroi, T. Arai, K. Saiki, H. Takeda, N. Hirata, S. Kodama, T. Sugihara, H. Demura, N. Asada, J. Terazono, H. Otake (2010) Updates on scientific results and products of SELENE Spectral Profiler. Lunar Planet. Sci. XLI, Abstract #2242.
  148. T. Hiroi (2010) What to expect of samples of asteroid Itokawa returned by Hayabusa spacecraft. Antarct. Meteorites 33, 21.
  149. T. Hiroi, H. Kaiden, K. Misawa, H. Kojima, S. Sasaki (2011) Visible and near-infrared spectral survey of select HED meteorite samples stored at the National Institute of Polar Research. Antarct. Meteorites 34, 24.
  150. T. Arai , M. Ohtake, A. Yamamoto, T. Sugihara, T. Hiroi, R. Nakamura, N. Namiki, K. Wada, S. Yamamoto, T. Matsunaga, J. Haruyama (2011) Possible crustal boundary exposed at lunar Copernicus crater. Lunar Planet. Sci. XLII, Abstract #2139.
  151. M. Ohtake, T. Mastunaga, H. Takeda, Y. Yokota, S. Yamamoto, T. Morota, Y. Ogawa, T. Hiroi, R. Nakamura, J. Haruyama (2011) Vertical compositional trend within the lunar highland crust. Lunar Planet. Sci. XLII, Abstract #1169.
  152. S. Sugita, K. Nagata, N. Tsuboi, T. Hiroi, M. Okada (2011) A new modified Gaussian model (MGM) using a Bayesian estimation approach: Toward automated analysis of planetary spectra. Lunar Planet. Sci. XLII, Abstract #2624.
  153. T. Nimura, M. Abe, T. Hiroi, C. M. Pieters (2011) Estimating the composition and the degree of space weathering of asteroids 6 Hebe, 433 Eros, 25143 Itokawa by reflectance spectroscopy using a new modeling approach. Lunar Planet. Sci. XLII, Abstract #1655.
  154. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2011) Distribution of olivine-rich sites in the South-Pole Aitken basin revealed by SELENE Spectral Profiler. Lunar Planet. Sci. XLII, Abstract #1184.
  155. P. J. Isaacson, C. M. Pieters, T. Hiroi, Y. Liu, D. Dhingra, R. L. Klima, L. A. Taylor (2011) Reflectance spectroscopy of ilmenite: New constraints from Apollo sample measurements. Lunar Planet. Sci. XLII, Abstract #2130.
  156. A. Wittmann, T. Hiroi, D. K. Ross, J. S. Herrin, D. Rumble III, D. A. Kring (2011) Eucrite impact melt NWA 5218 – Evidence for a large crater on Vesta. Lunar Planet. Sci. XLII, Abstract #1984.
  157. B. L. Ehlmann, J. F. Mustard, F. Poulet, T. Hiroi (2011) Estimating modal mineralogy of mixtures with phyllosilicates using radiative transfer modeling of visible/near infrared spectra. Lunar Planet. Sci. XLII, Abstract #1704.
  158. H. Takeda, A. Yamaguchi, T. Hiroi, L. E. Nyquist, C.-Y. Shih, M. Ohtake, Y. Karouji, S. Kobayashi Comparisons of mineralogy between cumulate eucrites and lunar meteorites possibly from the farside anorsothitic crust (2011). Lunar Planet. Sci. XLII, Abstract #1632.
  159. S. K. Noble, T. Hiroi, L. P. Keller, Z. Rahman, S. Sasaki, C. M. Pieters (2011) Experimental space weathering of ordinary chondrites by nanopulse laser: TEM results. Lunar Planet. Sci. XLII, Abstract #1382.
  160. T. Hiroi, S. Sasaki, S. K. Noble, C. M. Pieters (2011) Space weathering of ordinary chondrite parent bodies, its impact on the method of distinguishing H, L, and LL types, and implications for Itokawa samples returned by the Hayabusa mission. Lunar Planet. Sci. XLII, Abstract #1264.
  161. H. Takeda, H. Nagaoka, M. Ohtake, S. Kobayashi, A. Yamaguchi, T. Morota, Y. Karouji, J. Haruyma3, M. Katou, T. Hiroi, L. E. Nyquist (2012) Comparisons of mineralogy of lunar meteorites possibly from the farside and the Kaguya remote sensing data to reconstruct the earliest anorthositic crust of the Moon. Lunar Planet. Sci. XLIII, Abstract #1379.
  162. P. J. Isaacson, T. Hiroi, C. M. Pieters, Y. Liu, A. Patchen, L. A. Taylor (2012) Spectroscopy of lunar meteorites for expanded sample collection diversity: Initial results of component analyses. Lunar Planet. Sci. XLIII, Abstract #1668.
  163. P. J. Isaacson, T. Hiroi, B. R. Hawke, P. G. Lucey, C. M. Pieters, Y. Liu, A. Patchen, L. A. Taylor (2012) Geologic context of feldspathic lunar meteorites: Combining laboratory spectroscopy with diverse remote compositional analyses. Conf. Lunar Highlands Crust.II, Abstract #9023.
  164. M. Ohtake, H. Takeda, T. Mastunaga, Y. Yokota, J. Haruyama, T. Morota, S. Yamamoto, Y. Ogawa, T. Hiroi, Y. Karouji, K. Saiki, P. G. Lucey (2012) Primitive farside highland materials detected by Mg number. Lunar Planet. Sci. XLIII, Abstract #1977.
  165. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2012) Global distribution trend of purest anorthosite on the Moon revealed by SELENE Spectral Profiler. Lunar Planet. Sci. XLIII, Abstract #1356.
  166. Y. Yokota, T. Matsunaga, S. Yamamoto, M. Ohtake, J. Haruyama, R. Nakamura, Y. Ogawa, T. Morota, C. Honda, K. Saiki, K. Nagasawa, K. Kitazato, S. Sasaki, A. Iwasaki, H. Demura, N. Hirata, T. Hiroi, R. Honda, Y. Iijima, H. Mizutani (2012) Lunar photometric properties at wavelength over 1.7 microns acquired by SELENE Spectral Profiler NIR-2 sensor. Lunar Planet. Sci. XLIII, Abstract #2810.
  167. T. Hiroi, H. Kaiden, K. Misawa, H. Kojima, K. Uemoto, M. Ohtake, T. Arai, S. Sasaki, H. Takeda, L. E. Nyquist, C.-Y. Shih (2012) Diversity in the visible-NIR absorption band characteristics of lunar and asteroidal plagioclase. Lunar Planet. Sci. XLIII, Abstract #1168.
  168. K. L. Donaldson Hanna, C. M. Pieters, W. R. Patterson III, T. Hiroi, D. Moriarty, M. B. Wyatt, C. Thompson (2012) Asteroid and Lunar Environment Chamber (ALEC): Simulated asteroid and lunar environments for measuring analog materials. Lunar Planet. Sci. XLIII, Abstract #2241.
  169. N. Okamura, S. Hasegawa, T. Hiroi, T. Ootsubo, T. G. Müller, F. Usui, S. Sugita (2012) 3-μm spectroscopic observations of asteroid 21 Lutetia using AKARI satellite. Lunar Planet. Sci. XLIII, Abstract #1918.
  170. A. W. Beck, J. M. Sunshine, T. J. McCoy, T. Hiroi (2012) Challenges to finding olivine on the surface of 4 Vesta. Lunar Planet. Sci. XLIII, Abstract #2218.
  171. T. Hiroi, S. Sasaki (2012) Asteroidal space weathering: Compositional dependency and influence on taxonomy. Asteroids, Comets, Meteors, 6109.
  172. T. Hiroi, S. Sasaki (2012) HED meteorites, carbonaceous chondrites, Vesta, and space weathering. Antarct. Meteorites 35, 16.
  173. T. Hiroi, S. Sasaki, T. Misu, T. Nakamura (2013) Keys to detect space weathering on Vesta: Changes of visible and near-infrared reflectance spectra of HEDs and carbonaceous chondrites. Lunar Planet. Sci. XLIV, Abstract #1276.
  174. P. J. Isaacson, T. Hiroi, B. R. Hawke, P. G. Lucey, C. M. Pieters, Y. Liu, A. Patchen, L. A. Taylor (2013) Lunar meteorite geologic context: New constraints from VNIR spectroscopy and geochemistry. Lunar Planet. Sci. XLIV, Abstract #1134.
  175. T. Arai, T. Hiroi, S. Sasaki, T. Matsui (2013) Origin of the lunar crust inferred from mineralogy and reflectance spectra of lunar meteorites. Lunar Planet. Sci. XLIV, Abstract #1016.
  176. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2013) Global distribution of Mg-spinel on the Moon revealed by SELENE Spectral Profiler. Lunar Planet. Sci. XLIV, Abstract #1768.
  177. E. A. Cloutis, P. Hudon, T. Hiroi, M. J. Gaffey, P. Mann, C. M. O’D. Alexander, J. F. Bell III, B. E. Clark (2013) Possible causes of blue slopes (~0.5-2.5 mm) in carbonaceous chondrite spectra. Lunar Planet. Sci. XLIV, Abstract #1550.
  178. J. L. Bishop, M. D. Lane, A. J. Brown, T. Hiroi, G. A. Swayze, J.-F. Lin (2013) Spectral properties of Ca-, Mg- and Fe-bearing carbonates. Lunar Planet. Sci. XLIV, Abstract #1719.
  179. M. Ohtake, H. Takeda, T. Mastunaga, Y. Yokota, J. Haruyama, T. Morota, S. Yamamoto, Y. Ogawa, T. Hiroi, Y. Karouji, K. Saiki, H. Otake (2013) Negative correlation between primitive farside highland materials and mafic silicate abundance on the Moon. Lunar Planet. Sci. XLIV, Abstract #1850.
  180. T. Iwata, K. Kitazato, M. Abe, M. Ohtake, S. Matsuura, K. Tsumura, N. Hirata, C. Honda, Y. Takagi, Y. Nakauchi, T. Hiroi, H. Senshu, T. Arai, T. Nakamura, T. Matsunaga, M. Komatsu, N. Takato, S. Watanabe (2013) Results of the critical design for NIRS3: The Near-Infrared Spectrometer on Hayabusa-2. Lunar Planet. Sci. XLIV, Abstract #1908.
  181. Y. Yokota, T. Matsunaga, M. Ohtake, J. Haruyama, R. Nakamura, S. Yamamoto, S. Sasaki, T. Hiroi, Y. Ogawa, C. Honda, T. Morota, Y Ishihara (2013) Vis-NIR spectral continuum slope of lunar high latitude regions observed by SELENE Spectral Profiler. Lunar Planet. Sci. XLIV, Abstract #3025.
  182. L. P. Keller, Z. Rahman, T. Hiroi, S. Sasaki, S. K. Noble, F. Hörz, M. J. Cintala (2013) Asteroidal space weathering: The major role of FeS. Lunar Planet. Sci. XLIV, Abstract #2404.
  183. S. Sugita, D. Kuroda, S. Kameda, S. Hasegawa, S. Kamata, T. Hiroi, M. Abe, M. Ishiguro, N. Takato, M. Yoshikawa (2013) Visible spectroscopic observations of asteroid 162173 (1999 JU3) with the Gemini-S telescope. Lunar Planet. Sci. XLIV, Abstract #2591.
  184. T. Hiroi, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, T. Misu, M. Matsuoka, T. Nakamura (2013) Visible and near-infrared spectral survey of select carbonaceous chondrite samples of the National Institute of Polar Research: Results of CI/CM Chondrites. Antarct. Meteorites 36, Abstract #1276.
  185. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2014) Global distribution of high-Ca pyroxene on the lunar highland revealed by SELENE Spectral Profiler. Lunar Planet. Sci. XLV, Abstract #1285.
  186. N. Okamura, S. Sugita, S. Kamata, F. Usui, T. Hiroi, T. Ootsubo, T. G. Müller, I. Sakon, S. Hasegawa (2014) Principal component analysis of the continuous 3-μm spectra of low-albedo asteroid observed with the AKARI satellite. Lunar Planet. Sci. XLV, Abstract #2446.
  187. T. Arai, S. Abe, K. Ohtsuka, T. Hiroi, M. Komatsu, T. Fagan (2014) Mineralogical and spectral heterogeneity of Chelyabinsk meteorite. Lunar Planet. Sci. XLV, Abstract #2860.
  188. L. A. Taylor, Y. Liu, Y. Guan, J. M. D. Day, C. Ma, T. Hiroi, C. A. Corder, N. Assayag, D. Rumble III, P. Cartigny, Y. Chen, K. P. Hand, C. M. Pieters, J. M. Eiler, N. P. Pokhilenko, N. M. Podgornykh (2014) Metamorphism in the Chelyabinsk meteorite. Lunar Planet. Sci. XLV, Abstract #2346.
  189. T. Iwata, K. Kitazato, M. Abe, T. Arai, Y. Nakauchi, T. Nakamura, T. Hiroi, M. Matsuoka, S. Matsuura, M. Ozaki, S. Watanabe (2014) Results of ground-performance tests for the Hayabusa-2 Near-Infrared Spectrometer (NIRS3). Lunar Planet. Sci. XLV, Abstract #1805.
  190. M. M. McAdam, J. M. Sunshine, R. D. Ash, L. C. Cheek, C. M. Corrigan, T. J. McCoy, T. Hiroi (2014) Seeing past alteration revealing the spectral signature of the primary mineralogy of GRA 06128/9. Lunar Planet. Sci. XLV, Abstract #1573.
  191. N. Okamura, S. Hasegawa, F. Usui, T. Hiroi, T. Ootsubo, T. G. Müller, S. Sugita (2014) Spectroscopic observations of dark main-belt asteroids in the 2.6-3.1 μm range with the AKARI satellite. Lunar Planet. Sci. XLV, Abstract #1375.
  192. T. Hiroi, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, T. Misu, M. Matsuoka, T. Nakamura, Carlé M. Pieters (2014) Visible and near-infrared spectral survey of CM chondrite samples of National Institute of Polar Research and possible discovery of unusual 3-micron absorption bands. Lunar Planet. Sci. XLV, Abstract #1106.
  193. S. Koga, S. Sugita, S. Kamata, M. Ishiguro, T. Hiroi, S. Sasaki (2014) Spectral evolution tracks of S-type asteroids suggested by principal component analysis of muti-band images of Itokawa. Lunar Planet. Sci. XLV, Abstract #1721.
  194. A. W. Beck, N. G. Lunning, M. C. De Sanctis, T. Hiroi, J. Plescia, C. E. Viviano-Beck, A. Udry, C. M. Corrigan, T. J. McCoy (2014) A meteorite analog for olivine-rich terrain in unexpected locations on Vesta. Lunar Planet. Sci. XLV, Abstract #2499.
  195. P. Mann, E. A. Cloutis, R. N. Greenberger, R. E. Milliken, T. Hiroi, J. F. Mustard, R.L. Klima, C. A. Hibbitts, J. B. Plescia, J. F. Bell III, T. L. Roush, J. L. Bishop, B. L. Ehlmann (2014) An interlaboratory UV/VIS/NIR wavelength calibration study. Lunar Planet. Sci. XLV, Abstract #2392.
  196. T. Hiroi, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura, C. M. Pieters (2014) Discovery of unusual 3 µm bands on some CM chondrite chips of NIPR and possible link to asteroidal surface minerals. NIPR Symposium on Antarct. Meteorites 37, Abstract #402.
  197. T. Hiroi, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki (2014) Visible and near-infrared spectral survey of NIPR meteorite chip samples.. Hayabusa Symposium 2, JAXA ISAS, December 4-5, 2014.
  198. T. Hiroi, N. Imae, A. Yamaguchi, H. Kaiden, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura, Carlé M. Pieters, R. E. Milliken (2015) Discovery of unusual 3 micron absorption bands on some CM chondrite chips of NIPR and possible link to asteroidal surface minerals. Lunar Planet. Sci. XLVI, Abstract #1119.
  199. M. Okazaki, S. Sasaki, A. Tsuchiyama, A. Miyake, T. Matsumoto, T. Hirata, T. Hiroi (2015) Laboratory simulation of the effet of FeS on space weathering. Lunar Planet. Sci. XLVI, Abstract #1890.
  200. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2015) Global distribution of areas with featureless spectra on the Moon: Eroded lunar primordial crust?. Lunar Planet. Sci. XLVI, Abstract #1285.
  201. S. Sugita, S. Kameda, H. Sawada, H. Suzuki, M. Yamada, R. Honda, T. Morota, C. Honda, K. Ogawa, K. Shirai, Y. Iijima, Y. Cho, A. Takei, M. Sato, Y. Okumura, T. Yasuda, K. Shibasaki, S. Ikezawa, T. Nakamura, T. Hiroi, S. Kamata, S. C. Koga, ONC Team (2015) Calibration and first light of optical navigation camera (ONC) of Hayabusa 2. Lunar Planet. Sci. XLVI, Abstract #2169.
  202. T. Hiroi, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura (2015) Summary of visible to infrared spectral survey of NIPR carbonaceous chondrite chips and its application to Hayabusa2 mission. NIPR Symposium on Antarct. Meteorites 38, Abstract #134.
  203. T. Hiroi, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura (2015) Principal component analysis of visible-near-infrared reflectance spectra of select carbonaceous chondrites for Hayabusa2 mission. Hayabusa Symposium 3, JAXA ISAS, November 18-20, 2015.
  204. T. Hiroi, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura, C. M. Pieters (2016) Estimating the carbon contents and distinguishing the type of carbonaceous chondrites by spectral instruments onboard Hayabusa2 spacecraft. Lunar Planet. Sci. XLVII, Abstract #1084.
  205. T. Hiroi, S. Sasaki, M. Okazaki, M. Matsuoka, Y. Sato, T. Nakamura, R. E. Milliken, C. M. Pieters (2016) Interlaboratory comparison study of visible and near-infrared reflectance spectra using a set of common standard materials. Lunar Planet. Sci. XLVII, Abstract #1105.
  206. R. E. Milliken, T. Hiroi, W. R. Patterson, III (2016) The NASA Reflectance Experiment Laboratory (RELAB) facility: Past, present, and future. Lunar Planet. Sci. XLVII, Abstract #2058.
  207. M. P. Lucas, J. P. Emery, T. Hiroi, R. E. Milliken (2016) Spectral properties of primitive achondrite meteorites: Establishing S-type asteroid-meteorite connections. Lunar Planet. Sci. XLVII, Abstract #3003.
  208. C. Sklute, T. Hiroi, C. M. Pieters, R. E. Milliken, T. D. Glotch, M. Parente, M. D. Dyar (2016) Preliminary VNIR optical constants of bytownite using radiative transfer theory. Lunar Planet. Sci. XLVII, Abstract #2147.
  209. S. Yamamoto, R. Nakamura, T. Matsunaga, Y. Ogawa, Y. Ishihara, T. Morota, N. Hirata, M. Ohtake, T. Hiroi, Y. Yokota, J. Haruyama (2016) Global distribution of glass-rich material sites on the Moon. Lunar Planet. Sci. XLVII, Abstract #1395.
  210. M. Matsuoka, T. Nakamura, Y. Kimura, T. Hiroi, R. Nakamura, S. Okumura, S. Sasaki (2016) Reproducing space weathering on C-type asteroids with low-energy laser irradiation experiments of the Murchison meteorite. Lunar Planet. Sci. XLVII, Abstract #1823.
  211. T. Hiroi, R. E. Milliken, C. M. Pieters (2016) Effects of particle size and phase angle on visible and near-infrared reflectance spectra of carbonaceous chondrites. Hayabusa Symposium 4, JAXA ISAS, November 29-30, 2016.
  212. T. Hiroi, C. M. Pieters, R. E. Milliken, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, Y. Sato, M. Matsuoka, T. Nakamura (2016) Visible and near-infrared spectral survey of carbonaceous chondrites and its application to Hayabusa2. NIPR Symposium on Antarct. Meteorites 39, Abstract #43.
  213. T. Hiroi, C. M. Pieters, R. E. Milliken, H. Kaiden, N. Imae, A. Yamaguchi, H. Kojima, S. Sasaki, Y. Sato, M. Matsuoka, T. Nakamura (2017) Visible and near-infrared spectral survey of carbonaceous chondrites and its application to Hayabusa2. Lunar Planet. Sci. XLVIII, Abstract #1086.
  214. S. Yamamoto, R. Nakamura, T. Matsunaga,Y. Ishihara, T. Hiroi, M. Ohtake, T. Morota, N. Hirata, J. Haruyama (2017) Global distribution of ultramafic low Ca pyroxene on the Moon. Lunar Planet. Sci. XLVIII, Abstract #1165.
  215. B. L. Bishop, S. J. King, M. D. Lane, B. Lafuente, A. J. Brown, T. Hiroi, G. A. Swayze, J.-F. Lin (2017) Spectral properties of anhydrous carbonates and nitrates. Lunar Planet. Sci. XLVIII, Abstract #2362.
  216. T. Hiroi, R. E. Milliken, H. Kaiden, S. Sasaki, M. Matsuoka, T. Nakamura (2018) Gaussian deconvolution of the 3-micron hydration band of carbonaceous chondrite for identifying their parent bodies using a spectrometer in space. Lunar Planet. Sci. XLIX, Abstract #1056.
  217. T. Hiroi, R. E. Milliken, K. M. Robertson, H. Kaiden, K. Misawa, H. Tanaka, S. Sasaki, M. Matsuoka, T. Nakamura, K. Kitazato, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, T. Arai, Y. Nakauchi, H. Senshu, N. Hirata, C. Pilorget, R. Brunetto, F. Poulet, L. Riu, D. Takir, D. L. Domingue, F. Vilas, M. A. Barucci, D. Perna, E. Palomba, A. Galiano, T. Osawa, M. Komatsu, A. Nakato, T. Arai, N. Takato, T. Matsunaga, S. Nakazawa, S. Tanaka, M. Yoshikawa, S. Watanabe, Y. Tsuda (2019) Gaussian deconvolution of the 2.7-micron band of Hayabusa2/NIRS3 spectrum of asteroid Ryugu – Possibly a heavily space-weathered CM chondrite body. Lunar Planet. Sci. L, Abstract #1129.
  218. S. Sasaki, S. Sugita, E. Tatsumi, H. Miyamoto, C. Honda, T. Morota, O. S. Barnouin, M. Hirabayashi, S. Kanda, M. Kanamaru, N. Hirata, T. Hiroi, T. Nakamura, T. Noguchi, R. Honda, T. Michikami, S. Watanabe, N. Namiki, P. Michel, S. Kameda, T. Kouyama, H. Suzuki, M. Yamada, H. Kikuchi, D. L. Domingue, Y. Cho, K. Yoshioka, M. Hayakawa, M. Matsuoka, R. Noguchi, N. Sakatani, H. Sawada, Y. Yokota, M. Yoshikawa (2019) Brightness and morphology variations on surface rocks of 162173 Ryugu : Space weathering, breccia structure, and meridional cracks. Lunar Planet. Sci. L, Abstract #1368.
  219. E. Tatsumi, S. Sugita, S. Kameda, R. Honda, T. Kouyama, Y. Yokota, N. Sakatani, C. Honda, T. Michikami, T. Morota, M. Yamada, H. Suzuki, Y. Cho, M. Matsuoka, M. Hayakawa, K. Yoshioka, K. Ogawa, H. Sawada, F. Vilas, D. Domingue, L. Le Corre, S. Sasaki, T. Nakamura, T. Hiroi (2019) Visible color variation of boulders on 162173 Ryugu. Lunar Planet. Sci. L, Abstract #1753.
  220. S. Sugita, R. Honda, T. Morota, S. Kameda, E. Tatsumi, C. Honda, Y. Yokota, M. Yamada, T. Kouyama, N. Sakatani, H. Suzuki, K. Yoshioka, Y. Cho, M. Matsuoka, K. Ogawa, D. Domingue, H. Miyamoto, O. S. Barnouin, P. Michel, C. M. Ernst, T. Hiroi, T. Nakamura, H. Sawada, M. Hayakawa, N. Hirata, N. Hirata, H. Kikuchi, R. Hemmi, T. Michikami, Eric Palmer, R. Gaskell, M. Hirabayashi, R. Jaumann, K. Otto, N. Schmitz, S. E. Schröder, G. Komatsu, S. Tanaka, K. Shirai, M. Yoshikawa, S. Watanabe, Y. Tsuda (2019) The evolution of Ryugu’s parent body constrained by Hayabusa2 imaging observations. Lunar Planet. Sci. L, Abstract #2622.
  221. D. Schultz, B. A. Anzures, R. E. Milliken, T. Hiroi (2020) Assessing the spatial variability of the ~3 μm OH/H2O absorption feature in CM2 carbonaceous chondrites. Lunar Planet. Sci. LI, Abstract #2303.
  222. H. Burbine, M. D. Dyar, T. Hiroi (2020) Reflectance spectra of rare meteorite groups. Lunar Planet. Sci. LI, Abstract #2235.
  223. M. Pieters, G. R. Osinski, T. Hiroi (2020) Rapid (<2 Ma) lunar space weathering products indicated by Apollo 16 ‘Big Muley’ sample 61016. Lunar Planet. Sci. LI, Abstract #1618.
  224. W. Denevi, C. N. Yasanayake, B. L. Jolliff, S. J. Lawrence, T. Hiroi (2020) The spectral properties of lunar agglutinates. Lunar Planet. Sci. LI, Abstract #2026.
  225. D. Domingue, K. Kitazato, M. Matsuoka, E. Tatsumi, Y. Yokota, S. E. Schröder, R. Honda, S. Sugita, T. Hiroi, R. Brunetto, F. Vilas, D. Takir (2020) The spectrophotometric properties of Ryugu’s regolith as seen at opposition by the NIRS3 onboard Hayabusa2. Lunar Planet. Sci. LI, Abstract #2348.
  226. E. Milliken, K. Kitazato, L. Riu, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, T. Arai, Y. Nakauchi, T. Nakamura, M. Mastuoka, H. Senshu, N. Hirata, T. Hiroi, C. Pilorget, R. Brunetto, F. Poulet, J.-P. Bibring, D. Takir, D. L. Domingue, F. Vilas, M. A. Barucci, D. Perna, E. Palomba, A. Galiano, K. Tsumura, T. Osawa, M. Komatsu, A. Nakato, T. Arai, N. Takato, T. Matsunaga, Y. Takagi, K. Matsumoto, T. Kouyama, Y. Yokota, E. Tatsumi, N. Sakatani, Y. Yamamoto, T. Okada, S. Sugita, R. Honda, T. Motora, S. Kameda, H. Sawada, C. Honda, M. Yamada, H. Suzuki, K. Yoshioka, M. Hayakawa, K. Ogawa, Y. Cho, Y. Takei, T. Saiki, S. Nakazawa, S. Tanaka, M. Yoshikawa, S. Watanabe, Y. Tsuda (2020) A Global view of the near-infrared reflectance properties of Ryugu as seen by the NIRS spectrometer on Hayabusa2. Lunar Planet. Sci. LI, Abstract #1944.
  227. S. Sasaki, S. Kanda, H. Kikuchi, T. Michikami, T. Morota, C. Honda, H. Miyamoto, R. Henmi, S. Sugita, E. Tatsumi, M. Kanamaru, N. Sakatani, S. Watanabe, N. Namiki, P. Michel, M. Hirabayashi, N. Hirata, T. Nakamura, T. Noguchi, T. Hiroi, T. Irie, K. Matsumoto, S. Kameda, T. Kouyama, H. Suzuki, M. Yamada, R. Honda, Y. Cho, K. Yoshioka, M. Hayakawa, M. Matsuoka, R. Noguchi, H. Sawada, Y. Yokota, M. Yoshikawa (2020) Crack orientations of boulders on Ryugu : Thermally induced origin? Lunar Planet. Sci. LI, Abstract #1822.
  228. T. Hiroi, R. E. Milliken, K. M. Robertson, H. Kaiden, K. Misawa, R. Shimana, S. Sasaki, M. Matsuoka, T. Nakamura, K. Kitazato, E. Tatsumi, S. Sugita, K. Ohtsuka (2020) Meteorite Hills 00639 as an analogue meteorite of asteroid 162173 Ryugu based on space weathering simulations of carbonaceous chondrites. Lunar Planet. Sci. LI, Abstract #1043.
  229. T. Morota, S. Sugita, Y. Cho, M. Kanamaru, E. Tatsumi, N. Sakatani, R. Honda, N. Hirata, H. Kikuchi, M. Yamada, Y. Yokota, S. Kameda, M. Matsuoka, H. Sawada, C. Honda1, T. Kouyama, K. Ogawa, H. Suzuki, K. Yoshioka, M. Hayakawa, N. Hirata, M. Hirabayashi, H. Miyamoto, T. Michikami, T. Hiroi, R. Hemmi, C. M. Ernst, O. S. Barnouin, S. Watanabe, Hayabusa2 team (2020) Color and albedo changes of Ryugu’s surface observed in the touchdown operation of Hayabusa2. Lunar Planet. Sci. LI, Abstract #2853.
  230. S. Sugita, R. Honda, T. Morota, S. Kameda, E. Tatsumi, K. Yumoto, C. Sugimoto, C. Honda, Y. Yokota, M. Yamada, T. Kouyama, N. Sakatani, H. Suzuki, K. Yoshioka, Y. Cho, M. Matsuoka, K. Ogawa, D. Domingue, H. Miyamoto, O. S. Barnouin, P. Michel, C. M. Ernst, T. Hiroi, T. Nakamura, H. Sawada, M. Hayakawa, N. Hirata, N. Hirata, H. Kikuchi, R. Hemmi, T. Michikami, M. Hirabayashi, G. Komatsu, K. Shirai, S. Tanaka, M. Yoshikawa, S. Watanabe, Y. Tsuda (2020) Morphological analysi of boulders on asteroid Ryugu. Lunar Planet. Sci. LI, Abstract #2434.
  231. S. Hasegawa, T. Hiroi, K. Ohtsuka, M. Ishiguro, D. Kuroda, T. Ito, S. Sasaki (2020) Q-type asteroids : Possibility of having non-fresh weathered surfaces. Lunar Planet. Sci. LI, Abstract #1611.
  232. C. D. Schultz, B. A. Anzures, R. E. Milliken, T. Hiroi (2021) An investigation of the sub-mm-scale spectral diversity of the ~3 µm OH/H2O absorption feature in CM2 carbonaeous chondrites. Lunar Planet. Sci. LII, Abstract #1611.
  233. B. A. Anzures, C. D. Schultz, R. E. Milliken, T. Hiroi (2021) Assessing effects of particle size on water content estimates of carbonaceous chondrites and their parent bodies. Lunar Planet. Sci. LII, Abstract #2255.
  234. B. W. Denevi, C. N. Yasanayake, B. L. Jolliff, S. J. Lawrence, T. Hiroi, A. C. Martin (2021) The spectral properties of lunar agglutinates. Lunar Planet. Sci. LII, Abstract #2368.
  235. J. L. Bishop, M. Yeşilbaş, D. Talla, T. Hiroi (2021) Spectral properties of Fe hydroxy sulfates and implications for Mars. Lunar Planet. Sci. LII, Abstract #1159.
  236. T. Hiroi, K. Ohtsuka, M. E. Zolensky, M. J. Rutherford, R. E. Milliken (2022) Tagish Lake is still the only possible meteorite sample from D-type asteroids. Lunar Planet. Sci. LIII, Abstract #1149.
  237. E. Milliken, T. Hiroi, C. Schultz, K. Robertson, R. Brunetto, C. Lantz, T. Nakamura, K. Amano, M. Matsuoka, M. Matsumoto, Z. Dionnet, A. Aléon-Toppani, K. Kitazato, T. Morita, M. Kikuiri, E. Kagawa, H. Yurimoto6, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, S. Watanabe, Y. Tsuda (2022) Spectroscopic ground truthing of a carbonaceous asteroid : Initial reflectance spectra of Ryugu samples and implications for remote observations. Lunar Planet. Sci. LIII, Abstract #1556.
  238. D. Schultz, B. A. Anzures, R. E. Milliken, T. Hiroi (2022) How variable are hydration signatures of CM2 chondrites ? – Comparing spectra of meteorite powders and chips across multiple spatioal scales.  Lunar Planet. Sci. LIII, Abstract #1572.
  239. K. Amano, M. Matsuoka, T. Nakamura, E. Kagawa, T. Hiroi, E. Tatsumi, R. Milliken, R. Brunetto, P. Beck, S. Potin, T. Morita1, M. Kikuiri, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, S. Watanabe, Y. Tsuda (2022) Reflectance spectral comparison between a large Ryugu returned sample and carbonaceous chondrites. Lunar Planet. Sci. LIII, Abstract #1789.
  240. T. Nakamura, M. Matsumoto, K. Amano, Y. Enokido, M. E. Zolensky, T. Mikouchi, H. Genda, S. Tanaka, M. Y. Zolotov, K. Kurosawa, S. Wakita, R. Hyodo, H. Nagano, D. Nakashima, Y. Takahashi, Y. Fujioka, M. Kikuiri, E. Kagawa, M. Matsuoka, A. J. Brearley, A. Tsuchiyama, M. Uesugi, J. Matsuno, Y. Kimura, M. Sato, R. E. Milliken, E. Tatsumi, S. Sugita, T. Hiroi, K. Kitazato, D. Brownlee, D. J. Joswiak, M. Takahashi, K. Ninomiya, T. Takahashi, T. Osawa, K. Terada, F. E. Brenker, B. J. Tkalcec, L. Vincze, R. Brunetto, A. Aléon-Toppani, Q. H. S. Chan, M. Roskosz, J.-C. Viennet, P. Beck, E. E. Alp, T. Michikami, Y. Nagaashi, T. Tsuji, Y. Ino, J. Martinez, J. Han, A. Dolocan, R. J. Bodnar, M. Tanaka, H. Yoshida, K. Sugiyama, A. J. King, K. Fukushi, H. Suga, S. Yamashita, T. Kawai, K. Inoue, A. Nakato, T. Noguchi, F. Vilas, A. R. Hendrix, C. Jaramillo, D. L. Domingue, G. Dominguez, Z. Gainsforth, C. Engrand, J. Duprat, S. S. Russell, E. Bonato, C. Ma, T. Kawamoto, H. Yurimoto, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, S. Watanabe, Y. Tsuda, Hayabusa2 initial analysis Stone team (2022) Early history of Ryugu’s parent asteroid : Evidence from return sample. Lunar Planet. Sci. LIII, Abstract #1753.
  241. T. Hiroi, R. E. Milliken, K. M. Robertson, C. D. Schultz, K. Amano, T. Nakamura, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, T. Yada, M. Nishimura, A. Nakato, A. Miyazaki, K. Yogata, M. Abe, T. Okada, T. Usui, M. Yoshikawa, T. Saiki, S. Tanaka, T. Fuyuto, S. Nakazawa, S. Watanabe, Y. Tsuda, S. Sasaki, H. Kaiden, K. Kitazato, M. Matsuoka, E. Tatsumi, and Y. Yokota (2023) Evidence of space weathering on the CI1-chondrite asteroid 162173 Ryugu. Lunar Planet. Sci. LIV, Abstract #1753.
  242. C. Jaramillo-Correa, D. L. Domingue, R. Clark, N. Pearson, K. Amano, T. Hiroi, A. Hendrix, F. Vilas, T. Nakamura, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K.Sakamoto, S. Tachibana, S.-I. Watanabe, Y. Tsuda (2023) Ultraviolate to near-infrared spectral and photometric measurements of 162173 Ryugu powders.  Lunar Planet. Sci. LIV, Abstract #2784.
  243. C. D. Schultz, R. E. Milliken, T. Hiroi, H. H. Kaplan, V. E. Hamilton, E. A. Cloutis, D. M. Applin, H. C. Connolly Jr., D. S. Lauretta (2024) Insights from returned Bennu samples into the spectral detection of carbonates and organics by OSIRIS-REx. Lunar Planet. Sci. LV, Abstract #1129.
  244. E.A. Cloutis, D.M. Applin, V.E. Hamilton, R.E. Milliken, T. Hiroi, H.C. Connolly Jr., D.S. Lauretta (2024) Reflectance from 350 to 2500 nm of an unsorted particulate sample from asteroid (101955) Bennu.  Lunar Planet. Sci. LV, Abstract #1148.
  245. C. Jaramillo-Correa, D. L. Domingue, A. R. Hendrix, F. Vilas, M. Zolensky, R. Clark, R. N. Pearson, G. M. Holsclaw, D. W. Savin, K. Amano, T. Nakamura, T. Hiroi, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, S.-I. Watanabe, Y. Tsuda (2024) Laboratory measurements of UV-visible-near-IR reflectance spectra of samples returned from asteroid 162173 Ryugu. Lunar Planet. Sci. LV, Abstract #2769.
  246. R. E. Milliken, T. Hiroi, C. D. Schultz, V. E. Hamilton, H. Kaplan, E. A. Cloutis, D. M. Applin, H. Connolly Jr., D. S. Lauretta (2024) Reflectance spectra of Bennu samples in the 3 micrometer region: Initial results from RELAB and implications for remote sensing of primitive asteroids. Lunar Planet. Sci. LV, Abstract #1573.
  247. P. Zhang, Yang Li, G. Zhang, X. Yan, Y. Zhang, P. Vernazza, E. Cloutis, T. Hiroi, M. Granvik, X. Zhang, Y. Lin (2024) (469219) Kamoʻoalewa, a space-weathering-matured old-age LL-chondrite-like small NEA: Target of the Tianwen-2 sample return mission. Lunar Planet. Sci. LV, Abstract #1845.
  248. B. L. Bishop, J. M. Meusburger, D. Talla, M. Yeşilbaş, B. Schmitt, A. Maturilli, T. F. Bristow, B. Lafuente, T. Hiroi, M. Wildner (2024) Characterizing the spectra properties of FeSO4OH – A new phase observed on Mars. Lunar Planet. Sci. LV, Abstract #1880.

Essays

  1. 廣井孝弘 (1998) 惑星科学のすすめ.  東大新報 (連載).
  2. 廣井孝弘 (2001) 新大陸で待っていた隕石.  日経サイエンス8月号3頁.
  3. 廣井孝弘 (2003) 東大の落ちこぼれから世界的惑星科学者へ.  ふれあい11月号22ｰ23頁.
  4. 廣井孝弘 (2009) 太陽系の材料物質としての隕石と小惑星の謎に取り組んだ私の四半世紀.  Japanese Researchers’ Academic Network of Greater Boston (JaRAN Boston).
  5. 廣井孝弘 (2014) 知的に創造された世界ー人間は共同創造者の立場.  Moonism June/July issue, 4-9.
  6. 廣井孝弘 (2017) 宇宙的視点から世界平和を築く日本人となれ.  平和大使2017年11月号.
  7. W. Keepin, T. Hiroi (2024) Research Findings Bolster Astrology, Point to Metaphysical Implications of Cosmology – Will  Recent Studies Renew Efforts to Link Humanity and the Planets?  Earth & I, August/September 2024.
Takahiro (Taki) Hiroi's Page