Search Results - "Ishibashi, Ko"

Is water ice an efficient facilitator for dust coagulation? by Kimura, Hiroshi, Wada, Koji, Kobayashi, Hiroshi, Senshu, Hiroki, Hirai, Takayuki, Yoshida, Fumi, Kobayashi, Masanori, Hong, Peng K, Arai, Tomoko, Ishibashi, Ko, Yamada, Manabu

“…ABSTRACT Beyond the snow line of protoplanetary discs and inside the dense core of molecular clouds, the temperature of gas is low enough for water vapour to…”
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Design of telescopic nadir imager for geomorphology (TENGOO) and observation of surface reflectance by optical chromatic imager (OROCHI) for the Martian Moons Exploration (MMX) by Kameda, Shingo, Ozaki, Masanobu, Enya, Keigo, Fuse, Ryota, Kouyama, Toru, Sakatani, Naoya, Suzuki, Hidehiko, Osada, Naoya, Kato, Hiroki, Miyamoto, Hideaki, Yamazaki, Atsushi, Nakamura, Tomoki, Okamoto, Takaya, Ishimaru, Takahiro, Hong, Peng, Ishibashi, Ko, Takashima, Takeshi, Ishigami, Ryoya, Kuo, Cheng-Ling, Abe, Shinsuke, Goda, Yuya, Murao, Hajime, Fujishima, Saori, Aoyama, Tsubasa, Hagiwara, Keiji, Mizumoto, Satoko, Tanaka, Noriko, Murakami, Kousuke, Matsumoto, Miho, Tanaka, Kenji, Sakuta, Hironobu

“…The JAXA’s Martian Moons Exploration (MMX) mission is planned to reveal the origin of Phobos and Deimos. It will remotely observe both moons and return a…”
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Resurfacing processes on asteroid (162173) Ryugu caused by an artificial impact of Hayabusa2's Small Carry-on Impactor by Honda, Rie, Arakawa, Masahiko, Shimaki, Yuri, Shirai, Kei, Yokota, Yasuhiro, Kadono, Toshihiko, Wada, Koji, Ogawa, Kazunori, Ishibashi, Ko, Sakatani, Naoya, Nakazawa, Satoru, Yasui, Minami, Morota, Tomokatsu, Kameda, Shingo, Tatsumi, Eri, Yamada, Manabu, Kouyama, Toru, Cho, Yuichiro, Matsuoka, Moe, Suzuki, Hidehiko, Honda, Chikatoshi, Hayakawa, Masahiko, Yoshioka, Kazuo, Hirata, Naru, Hirata, Naoyuki, Sawada, Hirotaka, Sugita, Seiji, Saiki, Takanao, Imamura, Hiroshi, Takagi, Yasuhiko, Yano, Hajime, Okamoto, Chisato, Tsuda, Yuichi, Iijima, Yu-ichi

“…The resurfacing process on Ryugu accompanying the artificial impact crater formation by Hayabusa2's Small Carry-on Impactor (SCI) was studied by comparing pre-…”
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(3200) Phaethon polarimetry in the negative branch: new evidence for the anhydrous nature of the DESTINY+ target asteroid by Geem, Jooyeon, Ishiguro, Masateru, Takahashi, Jun, Akitaya, Hiroshi, Kawabata, Koji S, Nakaoka, Tatsuya, Imazawa, Ryo, Mori, Fumiki, Jin, Sunho, Bach, Yoonsoo P, Jo, Hangbin, Kuroda, Daisuke, Hasegawa, Sunao, Yoshida, Fumi, Ishibashi, Ko, Sekiguchi, Tomohiko, Beniyama, Jin, Arai, Tomoko, Ikeda, Yuji, Shinnaka, Yoshiharu, Granvik, Mikael, Siltala, Lauri, Djupvik, Anlaug A, Kasikov, Anni, Pinter, Viktoria, Knudstrup, Emil

“…ABSTRACT We report on the first polarimetric study of (3200) Phaethon, the target of JAXA’s DESTINY+ mission, in the negative branch to ensure its anhydrous…”
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Simultaneous multicolor photometry of the DESTINY+ target asteroid (3200) Phaethon by Beniyama, Jin, Sekiguchi, Tomohiko, Kuroda, Daisuke, Arai, Tomoko, Ishibashi, Ko, Ishiguro, Masateru, Yoshida, Fumi, Senshu, Hiroki, Ootsubo, Takafumi, Sako, Shigeyuki, Ohsawa, Ryou, Takita, Satoshi, Geem, Jooyeon, Bach, Yoonsoo P

“…Abstract Accurate estimations of the brightness of (3200) Phaethon up to lower phase angles are essential for the planning of the on-board camera for the…”
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Photometric observations of the potentially hazardous asteroid (99942) Apophis from Kawabe Cosmic Park by Yoshida, Fumi, Ishimaru, Ryo, Okudaira, Osamu, Ishibashi, Ko, Hong, Peng K, Matsui, Takafumi, Kim, Myung-Jin

“…Abstract Asteroid (99942) Apophis is a potentially hazardous asteroid. The Korea Astronomy and Space Science Institute (KASI) recently proposed a rendezvous…”
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System Configuration and Operation Plan of Hayabusa2 DCAM3-D Camera System for Scientific Observation During SCI Impact Experiment by Ogawa, Kazunori, Shirai, Kei, Sawada, Hirotaka, Arakawa, Masahiko, Honda, Rie, Wada, Koji, Ishibashi, Ko, Iijima, Yu-ichi, Sakatani, Naoya, Nakazawa, Satoru, Hayakawa, Hajime

“…An artificial impact experiment is scheduled for 2018–2019 in which an impactor will collide with asteroid 162137 Ryugu (1999 JU 3 ) during the asteroid…”
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Ryugu’s observed volatile loss did not arise from impact heating alone by Kurosawa, Kosuke, Moriwaki, Ryota, Yabuta, Hikaru, Ishibashi, Ko, Komatsu, Goro, Matsui, Takafumi

“…Abstract Carbonaceous asteroids, including Ryugu and Bennu, which have been explored by the Hayabusa2 and OSIRIS-REx missions, were probably important carriers…”
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Stray light analysis by ray tracing simulation for the wide-angle multiband camera OROCHI onboard the Martian Moons eXploration (MMX) spacecraft by Fuse, Ryota, Enya, Keigo, Kameda, Shingo, Kato, Hiroki, Osada, Naoya, Ishibashi, Ko, Ozaki, Masanobu, Sakatani, Naoya, Kouyama, Toru, Suzuki, Hidehiko, Nakamura, Tomoki, Miyamoto, Hideaki, Abe, Shinsuke, Goda, Yuya, Murao, Hajime

“…•Ray tracing analysis was conducted to reduce stray light of OROCHI onboard the MMX.•OROCHI’s optical system is simulated and its CCD reflectance was…”
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Experimental study concerning the oblique impact of low- and high-density projectiles on sedimentary rocks by Suzuki, Ayako I., Fujita, Yoichi, Harada, Shunya, Kiuchi, Masato, Koumoto, Yasunari, Matsumoto, Eri, Omura, Tomomi, Shigaki, Sae, Taguchi, Erine, Tsujido, Sayaka, Kurosawa, Kosuke, Hasegawa, Sunao, Hirai, Takayuki, Tabata, Makoto, Tamura, Hideki, Kadono, Toshihiko, Nakamura, Akiko M., Arakawa, Masahiko, Sugita, Seiji, Ishibashi, Ko

“…We conducted four sets of impact experiments using sedimentary rock targets and three different kinds of projectiles at a variety of impact angles in order to…”
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High-precision potassium measurements using laser-induced breakdown spectroscopy under high vacuum conditions for in situ K–Ar dating of planetary surfaces by Cho, Yuichiro, Sugita, Seiji, Kameda, Shingo, Miura, Yayoi N., Ishibashi, Ko, Ohno, Sohsuke, Kamata, Shunichi, Arai, Tomoko, Morota, Tomokatsu, Namiki, Noriyuki, Matsui, Takafumi

“…We conducted a series of laser induced breakdown spectroscopy (LIBS) experiments for K measurements under high vacuum conditions (10-6Pa) for the purpose of…”
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Oxidation of carbon compounds by silica-derived oxygen within impact-induced vapor plumes by Ishibashi, Ko, Ohno, Sohsuke, Sugita, Seiji, Kadono, Toshihiko, Matsui, Takafumi

“…Impact-induced vapor plumes produce a variety of chemical species, which may play an important role in the evolution of planetary surface environments. In most…”
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Direct measurements of impact devolatilization of calcite using a laser gun by Ohno, Sohsuke, Kadono, Toshihiko, Ishibashi, Ko, Kawaragi, Ko, Sugita, Seiji, Nakamura, Eizo, Matsui, Takafumi

“…Devolatilization of volatile‐bearing minerals caused by hypervelocity impacts is believed to have played important roles in atmosphere formation and the…”
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The Ganymede laser altimeter (GALA): key objectives, instrument design, and performance by Hussmann, Hauke, Lingenauber, Kay, Kallenbach, Reinald, Enya, Keigo, Thomas, Nicolas, Lara, Luisa M., Althaus, Christian, Araki, Hiroshi, Behnke, Thomas, Castro-Marin, Jose M., Eisenmenger, Henri, Gerber, Thomas, Herranz de la Revilla, Miguel, Hüttig, Christian, Ishibashi, Ko, Jiménez-Ortega, Jaime, Kimura, Jun, Kobayashi, Masanori, Lötzke, Horst-Georg, Lichopoj, Alexander, Lüdicke, Fabian, Martínez-Navajas, Ignacio, Michaelis, Harald, Namiki, Noriyuki, Noda, Hirotomo, Oberst, Jürgen, Oshigami, Shoko, Rodríguez García, Juan Pablo, Rodrigo, Julio, Rösner, Kerstin, Stark, Alexander, Steinbrügge, Gregor, Thabaut, Pascal, del Togno, Simone, Touhara, Kazuyuki, Villamil, Sebastian, Wendler, Belinda, Wickhusen, Kai, Willner, Konrad

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The tensile strength of dust aggregates consisting of small elastic grains: constraints on the size of condensates in protoplanetary discs by Kimura, Hiroshi, Wada, Koji, Yoshida, Fumi, Hong, Peng K, Senshu, Hiroki, Arai, Tomoko, Hirai, Takayuki, Kobayashi, Masanori, Ishibashi, Ko, Yamada, Manabu

“…ABSTRACT A consensus view on the formation of planetesimals is now exposed to a threat, since recent numerical studies on the mechanical properties of dust…”
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Electrostatic dust ejection from asteroid (3200) Phaethon with the aid of mobile alkali ions at perihelion by Kimura, Hiroshi, Ohtsuka, Katsuhito, Kikuchi, Shota, Ohtsuki, Keiji, Arai, Tomoko, Yoshida, Fumi, Hirata, Naoyuki, Senshu, Hiroki, Wada, Koji, Hirai, Takayuki, Hong, Peng K., Kobayashi, Masanori, Ishibashi, Ko, Yamada, Manabu, Okamoto, Takaya

“…The asteroid (3200) Phaethon is known to be the parent body of the Geminids, although meteor showers are commonly associated with the activity of periodic…”
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Simultaneous geometric calibration and orbit-attitude determination of Hayabusa2’s deployable camera (DCAM3) by Kikuchi, Shota, Shirai, Kei, Ishibashi, Ko, Wada, Koji, Yokota, Yasuhiro, Honda, Rie, Kadono, Toshihiko, Shimaki, Yuri, Sakatani, Naoya, Ogawa, Kazunori, Sawada, Hirotaka, Saiki, Takanao, Mimasu, Yuya, Takei, Yuto, Sugita, Seiji, Kouyama, Toru, Hirata, Naru, Nakazawa, Satoru, Yoshikawa, Makoto, Tanaka, Satoshi, Watanabe, Sei-ichiro, Tsuda, Yuichi, Arakawa, Masahiko

“…Hayabusa2’s deployable camera (DCAM3) was deployed from the spacecraft near the asteroid Ryugu to successfully monitor the artificial cratering experiment…”
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Scientific Objectives of Small Carry-on Impactor (SCI) and Deployable Camera 3 Digital (DCAM3-D): Observation of an Ejecta Curtain and a Crater Formed on the Surface of Ryugu by an Artificial High-Velocity Impact by Arakawa, M., Wada, K., Saiki, T., Kadono, T., Takagi, Y., Shirai, K., Okamoto, C., Yano, H., Hayakawa, M., Nakazawa, S., Hirata, N., Kobayashi, M., Michel, P., Jutzi, M., Imamura, H., Ogawa, K., Sakatani, N., Iijima, Y., Honda, R., Ishibashi, K., Hayakawa, H., Sawada, H.

“…The Small Carry-on Impactor (SCI) equipped on Hayabusa2 was developed to produce an artificial impact crater on the primitive Near-Earth Asteroid (NEA) 162173…”
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The Ganymede Laser Altimeter (GALA) for the Jupiter Icy Moons Explorer (JUICE): Mission, science, and instrumentation of its receiver modules by Enya, Keigo, Kobayashi, Masanori, Kimura, Jun, Araki, Hiroshi, Namiki, Noriyuki, Noda, Hirotomo, Kashima, Shingo, Oshigami, Shoko, Ishibashi, Ko, Yamawaki, T., Tohara, Kazuyuki, Saito, Yoshifumi, Ozaki, Masanobu, Mizuno, Takahide, Kamata, Shunichi, Matsumoto, Koji, Sasaki, Sho, Kuramoto, Kiyoshi, Sato, Yuki, Yokozawa, Takeshi, Numata, Tsutomu, Mizumoto, Satoko, Mizuno, Hiroyuki, Nagamine, Kenta, Sawamura, Akihiko, Tanimoto, Kazuo, Imai, Hisato, Nakagawa, Hiroyuki, Kirino, Okiharu, Green, David, Fujii, Masayuki, Iwamura, Satoru, Fujishiro, Naofumi, Matsumoto, Yoshiaki, Lingenauber, Kay, Kallenbach, Reinald, Althaus, Christian, Behnke, Thomas, Binger, Jan, Daurskikh, Anna, Eisenmenger, Henri, Heer, Ulrich, Hüttig, Christian, Lara, Luisa M., Lichopoj, Alexander, Lötzke, Horst-Georg, Lüdicke, Fabian, Michaelis, Harald, Pablo Rodriguez Garcia, Juan, Rösner, Kerstin, Stark, Alexander, Steinbrügge, Gregor, Thabaut, Pascal, Thomas, Nicolas, del Togno, Simone, Wahl, Daniel, Wendler, Belinda, Wickhusen, Kai, Willner, Konrad, Hussmann, Hauke

“…The Jupiter Icy Moons Explorer (JUICE) is a science mission led by the European Space Agency, being developed for launch in 2023. The Ganymede Laser Altimeter…”
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Site selection for the Hayabusa2 artificial cratering and subsurface material sampling on Ryugu by Kikuchi, Shota, Watanabe, Sei-ichiro, Wada, Koji, Saiki, Takanao, Yabuta, Hikaru, Sugita, Seiji, Abe, Masanao, Arakawa, Masahiko, Cho, Yuichiro, Hayakawa, Masahiko, Hirata, Naoyuki, Hirata, Naru, Honda, Chikatoshi, Honda, Rie, Ishibashi, Ko, Ishihara, Yoshiaki, Iwata, Takahiro, Kadono, Toshihiko, Kameda, Shingo, Kitazato, Kohei, Kouyama, Toru, Matsumoto, Koji, Matsuoka, Moe, Michikami, Tatsuhiro, Mimasu, Yuya, Miura, Akira, Morota, Tomokatsu, Nakamura, Tomoki, Nakazawa, Satoru, Namiki, Noriyuki, Noguchi, Rina, Ogawa, Kazunori, Ogawa, Naoko, Okada, Tatsuaki, Ono, Go, Sakatani, Naoya, Sawada, Hirotaka, Senshu, Hiroki, Shimaki, Yuri, Shirai, Kei, Tachibana, Shogo, Takei, Yuto, Tanaka, Satoshi, Tatsumi, Eri, Terui, Fuyuto, Yamada, Manabu, Yamamoto, Yukio, Yokota, Yasuhiro, Yoshikawa, Kent, Yoshikawa, Makoto, Tsuda, Yuichi

“…Hayabusa2 took on the challenge of collecting fresh subsurface samples from asteroid (162173) Ryugu during its second touchdown operation. For this ambitious…”
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