T. Hiroi

Brown University — United States

Physics and Astronomy · Physical Sciences

54h-index10.4kcitations454works10.52yr avg
OpenAlex↗ORCID↗Google Scholar↗Lab page↗

Accepting Students?

No reports yet. Know if this professor is taking students?

Research Topics

Astro and Planetary Science(313), Planetary Science and Exploration(284), Isotope Analysis in Ecology(113), Geological and Geochemical Analysis(44), Space Exploration and Technology(38)

Publications454 total

Petrogenesis and Provenance of Unique Amphibole-Bearing Carbonaceous Chondrite Almahata Sitta 202: Further Evidence for a Ceres-Sized, Water-Rich Parent Body
Geochimica et Cosmochimica Acta·2026
Reflectance spectroscopy (200-4200 nm) of the red-sloped C2 carbonaceous chondrites MET 00432, Tagish Lake, Tarda, and WIS 91600 (“CT” grouplet)
Icarus·2026
Characterization of ferric hydroxysulfate on Mars and implications of the geochemical environment supporting its formation
Nature Communications·2025· 3 citedOpen Access
Near-infrared spectral variation in Ryugu particles and implication for rapid space weathering by solar UV radiation
Scientific Reports·2025· 4 citedOpen Access
Detection of ferrihydrite in Martian red dust records ancient cold and wet conditions on Mars
Nature Communications·2025· 13 citedOpen Access
Detection of ferrihydrite in Martian red dust records ancient cold and wet conditions on Mars
2025
Why Mars is Red - Ferrihydrite Detection in Martian Dust and  Implications for Early Mars
2024Open Access
Why Mars is Red - Ferrihydrite Detection in Martian Dust and  Implications for Early Mars    
2024
Mid-infrared Measurements of Ion-irradiated Carbonaceous Meteorites: How to Better Detect Space Weathering Effects
The Planetary Science Journal·2024· 3 citedOpen Access
(469219) Kamo'oalewa, A Space-Weathering-Matured LL-chondrite-like Small NEA: Target of the Tianwen-2 Sample Return Mission
2024· 2 citedOpen Access
Characterizing the New Mineral FeSO4OH on Mars and Describing its Geochemical History and Association with Other Sulfates 
2024Open Access
Asteroid (101955) Bennu in the laboratory: Properties of the sample collected by <scp>OSIRIS</scp>‐<scp>REx</scp>
Meteoritics and Planetary Science·2024· 132 citedOpen Access
(469219) Kamoʻoalewa, A Space Weathering Matured Small NEA: Target of the Tianwen-2 Sample-Return Mission
Research Square (Research Square)·2024· 1 citedOpen Access
Asteroid (101955) Bennu in the Laboratory: Properties of the Sample Collected by OSIRIS-REx
arXiv (Cornell University)·2024· 10 citedOpen Access
The Spectral Characteristics of Lunar Agglutinates: Visible-Near-Infrared Spectroscopy of Apollo Soil Separates
2024
The Spectral Characteristics of Lunar Agglutinates: Visible–Near‐Infrared Spectroscopy of Apollo Soil Separates
Journal of Geophysical Research Planets·2024· 10 citedOpen Access
Reflectance spectroscopy (0.250–2.500 µm) of an unsorted particulate sample from asteroid (101955) Bennu
2024Open Access
Reassigning CI chondrite parent bodies based on reflectance spectroscopy of samples from carbonaceous asteroid Ryugu and meteorites
Science Advances·2023· 21 citedOpen Access
The Spectral Characteristics of Lunar Agglutinates: Visible-Near-Infrared Spectroscopy of Apollo Soil Separates
2023Open Access
Space weathering acts strongly on the uppermost surface of Ryugu
Communications Earth & Environment·2023· 22 citedOpen Access
page 1 of 23Next →

Frequent Co-authors

Y. Yokota(16), Naru Hirata(16), Tomokatsu Morota(14), M. Ohtake(13), Tsuneo Matsunaga(12), K. Kitazato(11), Masanao Abe(11), C. M. Pieters(10), M. Matsuoka(9), J. Haruyama(9), M. E. Zolensky(8), Tomoki Nakamura(8), Chikatoshi Honda(8), Yoshiko Ogawa(8), Seiji Sugita(7), Rie Honda(7), Eri Tatsumi(7), S. Yamamoto(7), Naoya Sakatani(6), Kazuo Yoshioka(6)