Search Results - "SUGITA, Seiji"

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  1. 1

    Cratering efficiency on coarse-grain targets: Implications for the dynamical evolution of asteroid 25143 Itokawa by Tatsumi, Eri, Sugita, Seiji

    Published in Icarus (New York, N.Y. 1962) (15-01-2018)
    “…•Cratering experiments on coarse-grained targets are performed.•A new crater size scaling on coarse-grained targets is derived.•Projectile size and impact…”
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    Journal Article
  2. 2

    An experimental study of photo-oxidation of Fe(II): Implications for the formation of Fe(III) (hydro)oxides on early Mars and Earth by Tabata, Haruhisa, Sekine, Yasuhito, Kanzaki, Yoshiki, Sugita, Seiji

    Published in Geochimica et cosmochimica acta (15-04-2021)
    “…•The pH-dependence of the photo-oxidation of Fe(II) was investigated experimentally.•A formula of quantum yields of Fe2+ photo-oxidation at pH 3–7 was…”
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    Journal Article
  3. 3

    Dynamics of gas-driven eruption on Ceres as a probe to its interior by Yumoto, Koki, Cho, Yuichiro, Koyaguchi, Takehiro, Sugita, Seiji

    Published in Icarus (New York, N.Y. 1962) (01-08-2023)
    “…The mineralogy of localized bright deposits on Ceres observed by the DAWN mission suggests their brine-enriched cryovolcanic origin. Based on the morphological…”
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    Journal Article
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    Soluble Organic Molecules in Samples of the Carbonaceous Asteroid (162173) Ryugu by Naraoka, Hiroshi, Takano, Yoshinori, Oba, Yasuhiro, Furusho, Aogu, Ogawa, Nanako O, Hashiguchi, Minako, Fukushima, Kazuhiko, Aoki, Dan, Kopplin, Philippe Schmitt, Aponte, José C, Parker, Eric T, McLain, Hannah L, Elsila, Jamie E, Graham, Heather V, Eiler, John M, Orthous-Daunay, Francois-Regis, Wolters, Cedric, Isa, Junko, Vuitton, Véronique, Thissen, Roland, Sakai, Saburo, Yoshimura, Toshihiro, Koga, Toshiki, Chikaraishi, Yoshito, Sugahara, Haruna, Mita, Hajime, Furukawa, Yoshihiro, Hertkorn, Norbert, Ruf, Alexander, Yurimoto, Hisayoshi, Nakamura, Tomoki, Noguchi, Takaaki, Okazaki, Ryuji, Yabuta, Hikaru, Sakamoto, Kanako, Tachibana, Shogo, Harold C Connolly, Jr, Lauretta, Dante S, Yada, Toru, Nishimura, Masahiro, Yogata, Kasumi, Nakato, Aiko, Yoshitake, Miwa, Suzuki, Ayako, Miyazaki, Akiko, Furuya, Shizuho, Hatakeda, Kentaro, Soejima, Hiromichi, Hitomi, Yuya, Usui, Tomohiro, Hayashi, Tasuku, Kitazato, Kohei, Sugita, Seiji, Namiki, Noriyuki, Arakawa, Masahiko, Ikeda, Hitoshi, Ishiguro, Masateru, Hirata, Naru, Wada, Koji, Ishihara, Yoshiaki, Noguchi, Rina, Sakatani, Naoya, Matsumoto, Koji, Senshu, Hiroki, Honda, Rie, Yokota, Yasuhiro, Michikami, Tatsuhiro, Matsuoka, Moe, Miura, Akira, Noda, Hirotomo, Yamada, Tetsuya, Yoshihara, Keisuke, Kawahara, Kosuke, Ozaki, Masanobu, Iijima, Yu-ichi, Yano, Hajime, Hayakawa, Masahiko, Iwata, Takahiro, Tsukizaki, Ryudo, Sawada, Hirotaka, Hosoda, Satoshi, Ogawa, Kazunori, Okamoto, Chisato, Hirata, Naoyuki, Shirai, Kei, Shimaki, Yuri, Takeuchi, Hiroshi, Fujii, Atsushi, Yoshikawa, Kento, Mimasu, Yuya, Ono, Go, Ogawa, Naoko, Kikuchi, Shota, Nakazawa, Satoru, Terui, Fuyuto, Tanaka, Satoshi, Saiki, Takanao, Yoshikawa, Makoto, Watanabe, Sei-ichiro, Tsuda, Yuichi

    “…The Hayabusa2 spacecraft collected samples from the surface of the carbonaceous near-Earth asteroid (162173) Ryugu, and brought them to Earth. The samples were…”
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  5. 5

    Mars’ atmospheric neon suggests volatile-rich primitive mantle by Kurokawa, Hiroyuki, Miura, Yayoi N., Sugita, Seiji, Cho, Yuichiro, Leblanc, François, Terada, Naoki, Nakagawa, Hiromu

    Published in Icarus (New York, N.Y. 1962) (01-12-2021)
    “…Martian atmospheric neon (Ne) has been detected by Viking and also found as trapped gas in Martian meteorites, though its abundance and isotopic composition…”
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  6. 6

    Highly porous nature of a primitive asteroid revealed by thermal imaging by Okada, Tatsuaki, Fukuhara, Tetsuya, Tanaka, Satoshi, Taguchi, Makoto, Arai, Takehiko, Senshu, Hiroki, Sakatani, Naoya, Shimaki, Yuri, Demura, Hirohide, Ogawa, Yoshiko, Suko, Kentaro, Sekiguchi, Tomohiko, Kouyama, Toru, Takita, Jun, Matsunaga, Tsuneo, Imamura, Takeshi, Wada, Takehiko, Hasegawa, Sunao, Helbert, Jörn, Müller, Thomas G., Hagermann, Axel, Biele, Jens, Grott, Matthias, Hamm, Maximilian, Delbo, Marco, Hirata, Naru, Hirata, Naoyuki, Yamamoto, Yukio, Sugita, Seiji, Namiki, Noriyuki, Kitazato, Kohei, Arakawa, Masahiko, Tachibana, Shogo, Ikeda, Hitoshi, Ishiguro, Masateru, Wada, Koji, Honda, Chikatoshi, Honda, Rie, Ishihara, Yoshiaki, Matsumoto, Koji, Matsuoka, Moe, Michikami, Tatsuhiro, Miura, Akira, Morota, Tomokatsu, Noda, Hirotomo, Noguchi, Rina, Ogawa, Kazunori, Shirai, Kei, Tatsumi, Eri, Yabuta, Hikaru, Yokota, Yasuhiro, Yamada, Manabu, Abe, Masanao, Hayakawa, Masahiko, Iwata, Takahiro, Ozaki, Masanobu, Yano, Hajime, Hosoda, Satoshi, Mori, Osamu, Sawada, Hirotaka, Shimada, Takanobu, Takeuchi, Hiroshi, Tsukizaki, Ryudo, Fujii, Atsushi, Hirose, Chikako, Kikuchi, Shota, Mimasu, Yuya, Ogawa, Naoko, Ono, Go, Takahashi, Tadateru, Takei, Yuto, Yamaguchi, Tomohiro, Yoshikawa, Kent, Terui, Fuyuto, Saiki, Takanao, Nakazawa, Satoru, Yoshikawa, Makoto, Watanabe, Seiichiro, Tsuda, Yuichi

    Published in Nature (London) (01-03-2020)
    “…Carbonaceous (C-type) asteroids 1 are relics of the early Solar System that have preserved primitive materials since their formation approximately 4.6 billion…”
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  7. 7

    Macromolecular organic matter in samples of the asteroid (162173) Ryugu by Yabuta, Hikaru, Cody, George D, Engrand, Cécile, Kebukawa, Yoko, De Gregorio, Bradley, Bonal, Lydie, Remusat, Laurent, Stroud, Rhonda, Quirico, Eric, Nittler, Larry, Hashiguchi, Minako, Komatsu, Mutsumi, Okumura, Taiga, Mathurin, Jérémie, Dartois, Emmanuel, Duprat, Jean, Takahashi, Yoshio, Takeichi, Yasuo, Kilcoyne, David, Yamashita, Shohei, Dazzi, Alexandre, Deniset-Besseau, Ariane, Sandford, Scott, Martins, Zita, Tamenori, Yusuke, Ohigashi, Takuji, Suga, Hiroki, Wakabayashi, Daisuke, Verdier-Paoletti, Maximilien, Mostefaoui, Smail, Montagnac, Gilles, Barosch, Jens, Kamide, Kanami, Shigenaka, Miho, Bejach, Laure, Matsumoto, Megumi, Enokido, Yuma, Noguchi, Takaaki, Yurimoto, Hisayoshi, Nakamura, Tomoki, Okazaki, Ryuji, Naraoka, Hiroshi, Sakamoto, Kanako, Connolly, Jr, Harold C, Lauretta, Dante S, Abe, Masanao, Okada, Tatsuaki, Yada, Toru, Nishimura, Masahiro, Yogata, Kasumi, Nakato, Aiko, Yoshitake, Miwa, Iwamae, Ayako, Furuya, Shizuho, Hatakeda, Kentaro, Miyazaki, Akiko, Soejima, Hiromichi, Hitomi, Yuya, Kumagai, Kazuya, Usui, Tomohiro, Hayashi, Tasuku, Yamamoto, Daiki, Fukai, Ryota, Sugita, Seiji, Kitazato, Kohei, Hirata, Naru, Honda, Rie, Morota, Tomokatsu, Tatsumi, Eri, Sakatani, Naoya, Namiki, Noriyuki, Matsumoto, Koji, Noguchi, Rina, Wada, Koji, Senshu, Hiroki, Ogawa, Kazunori, Yokota, Yasuhiro, Ishihara, Yoshiaki, Shimaki, Yuri, Yamada, Manabu, Honda, Chikatoshi, Michikami, Tatsuhiro, Matsuoka, Moe, Hirata, Naoyuki, Arakawa, Masahiko, Okamoto, Chisato, Ishiguro, Masateru, Jaumann, Ralf, Bibring, Jean-Pierre, Grott, Matthias, Schröder, Stefan, Otto, Katharina, Pilorget, Cedric, Schmitz, Nicole, Biele, Jens, Ho, Tra-Mi, Moussi-Soffys, Aurélie, Miura, Akira, Noda, Hirotomo, Yamada, Tetsuya

    “…Samples of the carbonaceous asteroid (162173) Ryugu were collected and brought to Earth by the Hayabusa2 spacecraft. We investigated the macromolecular organic…”
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    Journal Article
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    The molecular composition of impact-generated atmospheres on terrestrial planets during the post-accretion stage by Kuwahara, Hideharu, Sugita, Seiji

    Published in Icarus (New York, N.Y. 1962) (01-09-2015)
    “…•Composition of impact-generated atmospheres on terrestrial planets is discussed.•Composition of the impact vapor plume is mainly controlled by impact…”
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    Journal Article
  10. 10

    Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu by Yada, Toru, Abe, Masanao, Okada, Tatsuaki, Nakato, Aiko, Yogata, Kasumi, Miyazaki, Akiko, Hatakeda, Kentaro, Kumagai, Kazuya, Nishimura, Masahiro, Hitomi, Yuya, Soejima, Hiromichi, Yoshitake, Miwa, Iwamae, Ayako, Furuya, Shizuho, Uesugi, Masayuki, Usui, Tomohiro, Hayashi, Tasuku, Yamamoto, Daiki, Fukai, Ryota, Sugita, Seiji, Cho, Yuichiro, Yumoto, Koki, Yabe, Yuna, Bibring, Jean-Pierre, Pilorget, Cedric, Hamm, Vincent, Brunetto, Rosario, Riu, Lucie, Lourit, Lionel, Loizeau, Damien, Lequertier, Guillaume, Moussi-Soffys, Aurelie, Tachibana, Shogo, Sawada, Hirotaka, Okazaki, Ryuji, Takano, Yoshinori, Sakamoto, Kanako, Miura, Yayoi N., Yano, Hajime, Ireland, Trevor R., Yamada, Tetsuya, Fujimoto, Masaki, Kitazato, Kohei, Namiki, Noriyuki, Arakawa, Masahiko, Hirata, Naru, Yurimoto, Hisayoshi, Nakamura, Tomoki, Noguchi, Takaaki, Yabuta, Hikaru, Naraoka, Hiroshi, Ito, Motoo, Nakamura, Eizo, Uesugi, Kentaro, Kobayashi, Katsura, Michikami, Tatsuhiro, Kikuchi, Hiroshi, Hirata, Naoyuki, Ishihara, Yoshiaki, Matsumoto, Koji, Noda, Hirotomo, Noguchi, Rina, Shimaki, Yuri, Shirai, Kei, Ogawa, Kazunori, Wada, Koji, Senshu, Hiroki, Morota, Tomokatsu, Honda, Rie, Honda, Chikatoshi, Yokota, Yasuhiro, Matsuoka, Moe, Sakatani, Naoya, Tatsumi, Eri, Miura, Akira, Yamada, Manabu, Fujii, Atsushi, Hirose, Chikako, Hosoda, Satoshi, Ikeda, Hitoshi, Iwata, Takahiro, Kikuchi, Shota, Mimasu, Yuya, Mori, Osamu, Ogawa, Naoko, Ono, Go, Shimada, Takanobu, Soldini, Stefania, Takahashi, Tadateru, Takei, Yuto, Takeuchi, Hiroshi, Tsukizaki, Ryudo, Yoshikawa, Kent, Terui, Fuyuto, Nakazawa, Satoru, Tanaka, Satoshi, Saiki, Takanao, Yoshikawa, Makoto, Watanabe, Sei-ichiro, Tsuda, Yuichi

    Published in Nature astronomy (01-02-2022)
    “…C-type asteroids 1 are considered to be primitive small Solar System bodies enriched in water and organics, providing clues to the origin and evolution of the…”
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    Journal Article
  11. 11

    Utilization of a meteorological satellite as a space telescope: the lunar mid-infrared spectrum as seen by Himawari-8 by Nishiyama, Gaku, Namiki, Noriyuki, Sugita, Seiji, Uno, Shinsuke

    Published in Earth, planets, and space (04-07-2022)
    “…The Japanese meteorological satellite Himawari-8 has captured the Earth’s atmosphere and stars, planets, and the Moon in its field of view, enabling us to…”
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    Experimental study of heterogeneous organic chemistry induced by far ultraviolet light: Implications for growth of organic aerosols by CH3 addition in the atmospheres of Titan and early Earth by Hong, Peng, Sekine, Yasuhito, Sasamori, Tsutoni, Sugita, Seiji

    Published in Icarus (New York, N.Y. 1962) (01-06-2018)
    “…•Experimental investigations on organic aerosol growth by FUV light are performed.•Growth rate of organic film dramatically decreases for CH4/CO2 < 1.•Surface…”
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    Vis-NIR disk-integrated photometry of asteroid 25143 Itokawa around opposition by AMICA/Hayabusa by Tatsumi, Eri, Domingue, Deborah, Hirata, Naru, Kitazato, Kohei, Vilas, Faith, Lederer, Susan, Weissman, Paul R., Lowry, Stephen C., Sugita, Seiji

    Published in Icarus (New York, N.Y. 1962) (01-09-2018)
    “…•Photometry of the S-type Itokawa observed by multi-band filters is examined.•AMICA/Hayabusa successfully observed the opposition surge of the asteroid…”
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    A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample by Ito, Motoo, Tomioka, Naotaka, Uesugi, Masayuki, Yamaguchi, Akira, Shirai, Naoki, Ohigashi, Takuji, Liu, Ming-Chang, Greenwood, Richard C., Kimura, Makoto, Imae, Naoya, Uesugi, Kentaro, Nakato, Aiko, Yogata, Kasumi, Yuzawa, Hayato, Kodama, Yu, Tsuchiyama, Akira, Yasutake, Masahiro, Findlay, Ross, Franchi, Ian A., Malley, James A., McCain, Kaitlyn A., Matsuda, Nozomi, McKeegan, Kevin D., Hirahara, Kaori, Takeuchi, Akihisa, Sekimoto, Shun, Sakurai, Ikuya, Okada, Ikuo, Karouji, Yuzuru, Arakawa, Masahiko, Fujii, Atsushi, Hayakawa, Masahiko, Hirata, Naoyuki, Hirata, Naru, Honda, Rie, Honda, Chikatoshi, Hosoda, Satoshi, Iijima, Yu-ichi, Ikeda, Hitoshi, Ishiguro, Masateru, Ishihara, Yoshiaki, Iwata, Takahiro, Kawahara, Kosuke, Kikuchi, Shota, Kitazato, Kohei, Matsumoto, Koji, Michikami, Tatsuhiro, Mimasu, Yuya, Miura, Akira, Mori, Osamu, Morota, Tomokatsu, Nakazawa, Satoru, Namiki, Noriyuki, Noda, Hirotomo, Noguchi, Rina, Ogawa, Naoko, Ogawa, Kazunori, Okada, Tatsuaki, Okamoto, Chisato, Ono, Go, Ozaki, Masanobu, Saiki, Takanao, Sakatani, Naoya, Sawada, Hirotaka, Senshu, Hiroki, Shimaki, Yuri, Shirai, Kei, Sugita, Seiji, Takei, Yuto, Takeuchi, Hiroshi, Tanaka, Satoshi, Tatsumi, Eri, Terui, Fuyuto, Tsukizaki, Ryudo, Wada, Koji, Yamada, Manabu, Yamada, Tetsuya, Yamamoto, Yukio, Yano, Hajime, Yokota, Yasuhiro, Yoshihara, Keisuke, Yoshikawa, Makoto, Yoshikawa, Kent, Fukai, Ryota, Furuya, Shizuho, Hatakeda, Kentaro, Hayashi, Tasuku, Hitomi, Yuya, Kumagai, Kazuya, Miyazaki, Akiko, Nishimura, Masahiro, Soejima, Hiromichi, Iwamae, Ayako, Yamamoto, Daiki, Yoshitake, Miwa, Yada, Toru, Abe, Masanao, Usui, Tomohiro, Watanabe, Sei-ichiro, Tsuda, Yuichi

    Published in Nature astronomy (01-10-2022)
    “…Volatile and organic-rich C-type asteroids may have been one of the main sources of Earth’s water. Our best insight into their chemistry is currently provided…”
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