Sei‐ichiro Watanabe

Nagoya University — Japan

Physics and Astronomy · Physical Sciences

48h-index10.7kcitations372works6.22yr avg
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Research Topics

Astro and Planetary Science(271), Planetary Science and Exploration(206), Isotope Analysis in Ecology(98), Geological and Geochemical Analysis(48), Geology and Paleoclimatology Research(43)

Publications351 total

Characteristics of Natural Remanence Records in Fine‐Grained Particles Returned From Asteroid Ryugu
Journal of Geophysical Research Planets·2026Open Access
Elastic Properties of Returned Samples From Asteroid (162173) Ryugu
Journal of Geophysical Research Planets·2025Open Access
Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in Ryugu
Nature·2025· 3 citedOpen Access
Characteristics of natural remanence records in fine-grained particles returned from asteroid Ryugu
2025· 1 citedOpen Access
Methylene‐to‐methyl ratio variability in Ryugu samples: Clues to a heterogeneous aqueous alteration
Meteoritics and Planetary Science·2024Open Access
Zirconium isotope composition indicates <i>s</i>‐process depletion in samples returned from asteroid Ryugu
Meteoritics and Planetary Science·2024· 2 citedOpen Access
The Ni isotopic composition of Ryugu reveals a common accretion region for carbonaceous chondrites
Science Advances·2024· 22 citedOpen Access
Microscopic slickenside as a record of weak shock metamorphism in the surface layer of asteroid Ryugu
Meteoritics and Planetary Science·2024· 4 citedOpen Access
Phosphorus-rich grains in Ryugu samples with major biochemical potential
Nature Astronomy·2024· 18 citedOpen Access
Breunnerite grain and magnesium isotope chemistry reveal cation partitioning during aqueous alteration of asteroid Ryugu
Nature Communications·2024· 10 citedOpen Access
Variations of organic functional chemistry in carbonaceous matter from the asteroid 162173 Ryugu
Nature Communications·2024· 8 citedOpen Access
Asteroid Ryugu and the Hayabusa2 Mission
2024· 2 cited
Primordial aqueous alteration recorded in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu
Nature Communications·2024· 18 citedOpen Access
Raman spectroscopy of Ryugu particles and their extracted residues: Fluorescence background characteristics and similarities to <scp>CI</scp> chondrites
Meteoritics and Planetary Science·2024· 1 citedOpen Access
Pyrrhotites in asteroid 162173 Ryugu: Records of the initial changes on their surfaces with aqueous alteration
Geochimica et Cosmochimica Acta·2024· 7 citedOpen Access
Incipient space weathering on asteroid 162173 Ryugu recorded by pyrrhotite
Meteoritics and Planetary Science·2024· 2 citedOpen Access
A comprehensive study of apatite grains in Ryugu rock fragments
Meteoritics and Planetary Science·2024· 2 citedOpen Access
Simultaneous geometric calibration and orbit-attitude determination of Hayabusa2’s deployable camera (DCAM3)
Advances in Space Research·2024· 2 citedOpen Access
Enantioselective three-dimensional high-performance liquid chromatographic determination of amino acids in the Hayabusa2 returned samples from the asteroid Ryugu
Journal of Chromatography Open·2024· 4 citedOpen Access
The Earth atmosphere‐like bulk nitrogen isotope composition obtained by stepwise combustion analyses of Ryugu return samples
Meteoritics and Planetary Science·2024· 7 citedOpen Access
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Frequent Co-authors

Yuichi Tsuda(36), Makoto Yoshikawa(35), Takanao Saiki(35), Satoru Nakazawa(33), Tatsuaki Okada(31), Fuyuto Terui(30), Satoshi Tanaka(30), Masanao Abe(28), Seiji Sugita(23), Aiko Nakato(22), Shogo Tachibana(21), Naru Hirata(20), Tomohiro Usui(19), Tomoki Nakamura(18), Akiko Miyazaki(18), Masahiro Nishimura(18), Toru Yada(18), Kasumi Yogata(18), Hikaru Yabuta(16), K. Kitazato(16)