Sodium carbonates on Ryugu as evidence of highly saline water in the outer Solar SystemOPEN ACCESS
Toru Matsumoto, Takaaki Noguchi, Akira Miyake, Yohei Igami, Megumi Matsumoto, Toru Yada, Masayuki Uesugi, Masahiro Yasutake, Kentaro Uesugi, Akihisa Takeuchi, Hayato Yuzawa, Takuji Ohigashi & Tohru Araki Nature Astronomy, Published: 18 November 2024 LINK (OPEN…
Coevolution of phyllosilicate, carbon, sulfide, and apatite in Ryugu’s parent bodyOPEN ACCESS
Zack Gainsforth, Gerardo Dominguez, Kana Amano, Megumi Matsumoto, Yuri Fujioka, Eiichi Kagawa, Tomoki Nakamura, Shogo Tachibana, Tomoyo Morita, Mizuha Kikuiri, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Toru Yada, Masahiro…
Disequilibrium oxygen isotope distribution among aqueously altered minerals in Ryugu asteroid returned samplesOPEN ACCESS
Noriko T. Kita, Kouki Kitajima, Kazuhide Nagashima, Noriyuki Kawasaki, Naoya Sakamoto, Wataru Fujiya, Yoshinari Abe, Jérôme Aléon, Conel M. O’D. Alexander, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Martin Bizzarro, Audrey Bouvier, Richard W. Carlson, Marc…
Three-dimensional textures of Ryugu samples and their implications for the evolution of aqueous alteration in the Ryugu parent body
Akira Tsuchiyama, Megumi Matsumoto, Junya Matsuno, Masahiro Yasutake, Tomoki Nakamura, Takaaki Noguchi, Akira Miyake, Kentaro Uesugi, Akihisa Takeuchi, Shota Okumura, Yuri Fujioka, Mingqi Sun, Aki Takigawa, Toru Matsumoto, Satomi Enju, Itaru Mitsukawa, Yuma Enokido, Tatsuhiko…
Correlated IR-SEM-TEM studies of three different grains from Ryugu: From the initial material to post-accretional processesOPEN ACCESS
Alice Aléon-Toppani, Rosario Brunetto, Zélia Dionnet, Stefano Rubino, Donia Baklouti, François Brisset, Maxime Vallet, Eva Heripre, Tomoki Nakamura, Cateline Lantz, Zahia Djouadi, Ferenc Borondics, Christophe Sandt, David Troadec, Obadias Mivumbi, Megumi Matsumoto, Kana Amano, Tomoyo…
Hayabusa 2 returned samples reveal a weak to null magnetic field during aqueous alteration of Ryugu’s parent bodyOPEN ACCESS
C. Maurel, J. Gattacceca, M. Uehara Earth and Planetary Science LettersVolume 627, 1 February 2024, 118559 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Highlights Ryugu samples of 1 and 22 mg do not exhibit any stable remanent…
Rock magnetic characterization of returned samples from asteroid (162173) Ryugu: Implications for paleomagnetic interpretation and paleointensity estimation
Masahiko Sato, Yuki Kimura, Satoshi Tanaka, Tadahiro Hatakeyama, Seiji Sugita, Tomoki Nakamuna, Shogo Tachibana, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi…
Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples
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….
Olivine Compositional Variation of Asteroid Ryugu Samples: Possible Precursors of Ryugu’s Parent Asteroid
Mikouchi T. Nakamura T. Zolensky M. E. Yoshida H. Nakashima D. et al. PDF LPSC 2022 abstract [#1935] “Ryugu samples have rare olivine-bearing fragments, possible precursors of Ryugu’s parent asteroid. Ryugu olivines are compositionally similar…
Early History of Ryugu’s Parent Asteroid: Evidence from Return Sample
Nakamura T. * Matsumoto M. Amano K. Enokido Y. Zolensky M. E. et al. PDF LPSC 2022 abstract [#1753] “Formation and evolution of Ryugu’s parent asteroid were estimated based on mineralogical and physical properties of…
Spectral diversity of the inner belt primitive asteroid background population
Anicia Arredondo, Humberto Campins, Noemi Pinilla-Alonso, Julia de León, Vania Lorenzi, David Morate, Juan Luis Rizos, Mário De Prá IcarusIn Press, Journal Pre-proof, Available online 9 July 2021 LINK “Highlights • New NIR observations of…
Anomalously porous boulders on (162173) Ryugu as primordial materials from its parent body
N. Sakatani, S. Tanaka, T. Okada, T. Fukuhara, L. Riu, S. Sugita, R. Honda, T. Morota, S. Kameda, Y. Yokota, E. Tatsumi, K. Yumoto, N. Hirata, A. Miura, T. Kouyama, H. Senshu, Y. Shimaki, T….
Do Water-Rich Carbonaceous Chondrites and the NEA Ryugu Share a Common Parent Body?
W. Neumann, Grott M., Trieloff M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1852 PDF “Properties of CI and CM parent bodies are investigated by fitting the carbonate formation temperature and age data with…
Thermally altered subsurface material of asteroid (162173) Ryugu
K. Kitazato, R. E. Milliken, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, Y. Takagi, T. Nakamura, T. Hiroi, M. Matsuoka, L. Riu, Y. Nakauchi, K. Tsumura, T. Arai, H. Senshu, N. Hirata, M. A….
Microporosity and parent body of the rubble-pile NEA (162173) RyuguOPEN ACCESS
Wladimir Neumann, Matthias Grott, Mario Trieloff, Ralf Jaumann, Jens Biele, Maximilian Hamm, Ekkehard Kührt IcarusIn press, journal pre-proof, Available online 24 October 2020 LINK PDF (OPEN ACCESS) “Highlights • We investigate the porosity for ice-rich…