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Arimatsu, Ko

The HAKUBI Center for Advanced Research Program-Specific Assistant Professor

Arimatsu, Ko
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    Last Updated :2022/09/30

    Basic Information

    Academic Degree

    • 修士(理学)(東京大学)
    • 博士(理学)(東京大学)

    Profile

    • Profile

      可視動画観測による太陽系・惑星系の未開領域の解明を専門とする。観測手法の提案、シミュレーション、観測装置の開発、観測の実施、データ解析に至るまで、全て自ら実施することが研究スタイルの特徴である。また、現代の観測天文学としては破格のレベルである、極めて小規模な望遠鏡・観測装置を用いて、トップサイエンス級の研究成果を導出することでも知られる。小惑星(27590) Koarimatsuは、これまでの自身の研究業績にちなんで国際天文学連合から命名されたものである。


      研究活動にくわえ、天体写真の撮影(新聞・雑誌・テレビ番組などへの提供経験あり)およびプレスリリース用の想像図作成など、アウトリーチ活動も実施している。

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      Last Updated :2022/09/30

      Research

      Research Areas

      • Natural sciences, Astronomy

      Papers

      • Video Observations of Tiny Near-Earth Objects with Tomo-e Gozen
        Jin Beniyama; Shigeyuki Sako; Ryou Ohsawa; Satoshi Takita; Naoto Kobayashi; Shin-ichiro Okumura; Seitaro Urakawa; Makoto Yoshikawa; Fumihiko Usui; Fumi Yoshida; Mamoru Doi; Yuu Niino; Toshikazu Shigeyama; Masaomi Tanaka; Nozomu Tominaga; Tsutomu Aoki; Noriaki Arima; Ko Arimatsu; Toshihiro Kasuga; Sohei Kondo; Yuki Mori; Hidenori Takahashi; Jun-ichi Watanabe
        Publications of the Astronomical Society of Japan, 14 Jul. 2022, Peer-reviewed
      • Fast optical flares from M dwarfs detected by a one-second-cadence survey with Tomo-e Gozen
        Masataka Aizawa; Kojiro Kawana; Kazumi Kashiyama; Ryou Ohsawa; Hajime Kawahara; Fumihiro Naokawa; Tomoyuki Tajiri; Noriaki Arima; Hanchun Jiang; Tilman Hartwig; Kotaro Fujisawa; Toshikazu Shigeyama; Ko Arimatsu; Mamoru Doi; Toshihiro Kasuga; Naoto Kobayashi; Sohei Kondo; Yuki Mori; Shin-ichiro Okumura; Satoshi Takita; Shigeyuki Sako
        26 Jun. 2022, Peer-reviewed
      • Near-infrared brightness of the Galilean satellites eclipsed in Jovian shadow: A New Technique to Investigate Jovian Upper Atmosphere
        Tsumura, K.; Arimatsu, K.; Egami, E.; Hayano, Y.; Honda, C.; Kimura, J.; Kuramoto, K.; Matsuura, S.; Minowa, Y.; Nakajima, K.; Nakamoto, T.; Shirahata, M.; Surace, J.; Takahashi, Y.; Wada, T.
        Astrophysical Journal, 2014, Peer-reviewed
      • Deep Simultaneous Limits on Optical Emission from FRB 20190520B by 24.4 fps Observations with Tomo-e Gozen
        Yuu Niino; Mamoru Doi; Shigeyuki Sako; Ryou Ohsawa; Noriaki Arima; Ji-an Jiang; Nozomu Tominaga; Masaomi Tanaka; Di Li; Chen-Hui Niu; Chao-Wei Tsai; Naoto Kobayashi; Hidenori Takahashi; Sohei Kondo; Yuki Mori; Tsutomu Aoki; Ko Arimatsu; Toshihiro Kasuga; Shin-ichiro Okumura
        ASTROPHYSICAL JOURNAL, Jun. 2022, Peer-reviewed
      • Faint debris disk peering through superflare light echo
        Ko Arimatsu; Takafumi Kamizuka
        Astrophysical Journal Letters, Jul. 2022, Peer-reviewed, Lead author, Corresponding author
      • Detection of an extremely large impact flash on Jupiter by high-cadence multiwavelength observations
        Ko Arimatsu; Kohji Tsumura; Fumihiko Usui; Jun-ichi Watanabe
        Astrophysical Journal Letters, Jun. 2022, Peer-reviewed, Lead author, Corresponding author
      • Discovery of the Fastest Early Optical Emission from Overluminous SN Ia 2020hvf: A Thermonuclear Explosion within a Dense Circumstellar Environment
        Ji-an Jiang; Keiichi Maeda; Miho Kawabata; Mamoru Doi; Toshikazu Shigeyama; Masaomi Tanaka; Nozomu Tominaga; Ken'ichi Nomoto; Yuu Niino; Shigeyuki Sako; Ryou Ohsawa; Malte Schramm; Masayuki Yamanaka; Naoto Kobayashi; Hidenori Takahashi; Tatsuya Nakaoka; Koji S. Kawabata; Keisuke Isogai; Tsutomu Aoki; Sohei Kondo; Yuki Mori; Ko Arimatsu; Toshihiro Kasuga; Shin-ichiro Okumura; Seitaro Urakawa; Daniel E. Reichart; Kenta Taguchi; Noriaki Arima; Jin Beniyama; Kohki Uno; Taisei Hamada
        ASTROPHYSICAL JOURNAL LETTERS, Dec. 2021, Peer-reviewed
      • Detectability of optical transients with timescales of sub-seconds
        Ko Arimatsu; Kohji Tsumura; Fumihiko Usui; Takafumi Ootsubo; Jun-ichi Watanabe
        the Astronomical Journal, 2021, Peer-reviewed, Lead author
      • Relationship between radar cross section and optical magnitude based on radar and optical simultaneous observations of faint meteors
        Ryou Ohsawa; Akira Hirota; Kohei Morita; Shinsuke Abe; Daniel Kastinen; Johan Kero; Csilla Szasz; Yasunori Fujiwara; Takuji Nakamura; Koji Nishimura; Shigeyuki Sako; Jun-ichi Watanabe; Tsutomu Aoki; Noriaki Arima; Ko Arimatsu; Mamoru Doi; Makoto Ichiki; Shiro Ikeda; Yoshifusa Ita; Toshihiro Kasuga; Naoto Kobayashi; Mitsuru Kokubo; Masahiro Konishi; Hiroyuki Maehara; Takashi Miyata; Yuki Mori; Mikio Morii; Tomoki Morokuma; Kentaro Motohara; Yoshikazu Nakada; Shin-ichiro Okumura; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Hidenori Takahashi; Masaomi Tanaka; Ken’ichi Tarusawa; Nozomu Tominaga; Seitaro Urakawa; Fumihiko Usui; Takuya Yamashita; Makoto Yoshikawa
        Planetary and Space Science, Dec. 2020, Peer-reviewed
      • Evidence for a rapid decrease of Pluto’s atmospheric pressure revealed by a stellar occultation in 2019
        K. Arimatsu; G. L. Hashimoto; M. Kagitani; T. Sakanoi; Y. Kasaba; R. Ohsawa; S. Urakawa
        Astronomy & Astrophysics, Jun. 2020, Peer-reviewed, Lead author
      • An optical search for transients lasting a few seconds
        Michael W. Richmond; Masaomi Tanaka; Tomoki Morokuma; Shigeyuki Sako; Ryou Ohsawa; Noriaki Arima; Nozomu Tominaga; Mamoru Doi; Tsutomu Aoki; Ko Arimatsu; Makoto Ichiki; Shiro Ikeda; Yoshifusa Ita; Toshihiro Kasuga; Koji S. Kawabata; Hideyo Kawakita; Naoto Kobayashi; Mitsuru Kokubo; Masahiro Konishi; Hiroyuki Maehara; Hiroyuki Mito; Takashi Miyata; Yuki Mori; Mikio Morii; Kentaro Motohara; Yoshikazu Nakada; Shin-Ichiro Okumura; Hiroki Onozato; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Hidenori Takahashi; Ataru Tanikawa; Ken'ichi Tarusawa; Seitaro Urakawa; Fumihiko Usui; Junichi Watanabe; Takuya Yamashita; Makoto Yoshikawa
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Feb. 2020, Peer-reviewed
      • New Constraint on the Atmosphere of (50000) Quaoar from a Stellar Occultation
        Ko Arimatsu; Ryou Ohsawa; George L. Hashimoto; Seitaro Urakawa; Jun Takahashi; Miyako Tozuka; Yoichi Itoh; Misato Yamashita; Fumihiko Usui; Tsutomu Aoki; Noriaki Arima; Mamoru Doi; Makoto Ichiki; Shiro Ikeda; Yoshifusa Ita; Toshihiro Kasuga; Naoto Kobayashi; Mitsuru Kokubo; Masahiro Konishi; Hiroyuki Maehara; Noriyuki Matsunaga; Takashi Miyata; Mikio Morii; Tomoki Morokuma; Kentaro Motohara; Yoshikazu Nakada; Shin-ichiro Okumura; Shigeyuki Sako; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Hidenori Takahashi; Ken'ichi Tarusawa; Nozomu Tominaga; Jun-ichi Watanabe; Takuya Yamashita; Makoto Yoshikawa
        ASTRONOMICAL JOURNAL, Dec. 2019, Peer-reviewed, Lead author
      • A kilometre-sized Kuiper belt object discovered by stellar occultation using amateur telescopes
        K. Arimatsu; K. Tsumura; F. Usui; Y. Shinnaka; K. Ichikawa; T. Ootsubo; T. Kotani; T. Wada; K. Nagase; J. Watanabe
        Nature Astronomy, Apr. 2019, Peer-reviewed, Lead author
      • Luminosity function of faint sporadic meteors measured with a wide-field CMOS mosaic camera Tomo-e PM
        Ryou Ohsawa; Shigeyuki Sako; Yuki Sarugaku; Fumihiko Usui; Takafumi Ootsubo; Yasunori Fujiwara; Mikiya Sato; Toshihiro Kasuga; Ko Arimatsu; Jun-ichi Watanabe; Mamoru Doi; Naoto Kobayashi; Hidenori Takahashi; Kentaro Motohara; Tomoki Morokuma; Masahiro Konishi; Tsutomu Aoki; Takao Soyano; Ken'ichi Tarusawa; Yuki Mori; Yoshikazu Nakada; Bmakoto Ichiki; Noriaki Arima; Yuto Kojima; Masahiro Morita; Toshikazu Shigeyama; Yoshifusa Ita; Mitsuru Kokubo; Kazuma Mitsuda; Hiroyuki Maehara; Nozomu Tominaga; Takuya Yamashita; Shiro Ikeda; Mikio Morii; Seitaro Urakawa; Shin-ichiro Okumura; Makoto Yoshikawa
        PLANETARY AND SPACE SCIENCE, Jan. 2019, Peer-reviewed
      • Evaluation of large pixel CMOS image sensors for the Tomo-e Gozen wide field camera
        Yuto Kojima; Shigeyuki Sako; Ryou Ohsawa; Hidenori Takahashi; Mamoru Doi; Naoto Kobayashi; Tsutomu Aoki; Noriaki Arima; Ko Arimatsu; Makoto Ichiki; Shiro Ikeda; Kota Inooka; Yoshifusa Ita; Toshihiro Kasuga; Mitsuru Kokubo; Masahiro Konishi; Hiroyuki Maehara; Noriyuki Matsunaga; Kazuma Mitsuda; Takashi Miyata; Yuki Mori; Mikio Morii; Tomoki Morokuma; Kentaro Motohara; Yoshikazu Nakada; Shin-Ichiro Okumura; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Masaomi Tanaka; Ken'ichi Tarusawa; Nozomu Tominaga; Tomonori Totani; Seitaro Urakawa; Fumihiko Usui; Junichi Watanabe; Takuya Yamashita; Makoto Yoshikawa
        HIGH ENERGY, OPTICAL, AND INFRARED DETECTORS FOR ASTRONOMY VIII, 2018
      • The Tomo-e Gozen wide field CMOS camera for the Kiso Schmidt telescope
        Shigeyuki Sako; Ryou Ohsawa; Hidenori Takahashi; Yuto Kojima; Mamoru Doi; Naoto Kobayashi; Tsutomu Aoki; Noriaki Arima; Ko Arimatsu; Makoto Ichiki; Shiro Ikeda; Kota Inooka; Yoshifusa Ita; Toshihiro Kasuga; Mitsuru Kokubo; Masahiro Konishi; Hiroyuki Maehara; Noriyuki Matsunaga; Kazuma Mitsuda; Takashi Miyata; Yuki Mori; Mikio Morii; Tomoki Morokuma; Kentaro Motohara; Yoshikazu Nakada; Shin-ichiro Okumura; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Masaomi Tanaka; Ken'ichi Tarusawa; Nozomu Tominaga; Tomonori Totani; Seitaro Urakawa; Fumihiko Usui; Junichi Watanabe; Takuya Yamashita; Makoto Yoshikawa
        GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VII, 2018
      • Organized Autotelescopes for Serendipitous Event Survey (OASES): Design and performance
        Ko Arimatsu; Kohji Tsumura; Kohei Ichikawa; Fumihiko Usui; Takafumi Ootsubo; Takayuki Kotani; Yuki Sarugaku; Takehiko Wada; Koichi Nagase; Jun-ichi Watanabe
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Aug. 2017, Peer-reviewed, Lead author
      • Cold Molecular Gas Along the Merger Sequence in Local Luminous Infrared Galaxies
        Takuji Yamashita; Shinya Komugi; Hideo Matsuhara; Lee Armus; Hanae Inami; Junko Ueda; Daisuke Iono; Kotaro Kohno; Aaron S. Evans; Ko Arimatsu
        ASTROPHYSICAL JOURNAL, Aug. 2017, Peer-reviewed
      • ADVANTAGES OF THE AKARI FIR ALL-SKY MAPS
        Yasuo Doi; Satoshi Takita; Takafumi Ootsubo; Ko Arimatsu; Masahiro Tanaka; Takahiro Morishima; Mitsunobu Kawada; Shuji Matsuura; Yoshimi Kitamura; Makoto Hattori; Takao Nakagawa; Glenn White; Norio Ikeda
        Publications of The Korean Astronomical Society, 31 Mar. 2017, Peer-reviewed
      • SMALL-SCALE STRUCTURE OF THE ZODIACAL DUST CLOUD OBSERVED IN FAR-INFRARED WITH AKARI
        Takafumi Ootsubo; Yasuo Doi; Satoshi Takita; Shuji Matsuura; Mitsunobu Kawada; Takao Nakagawa; Ko Arimatsu; Masahiro Tanaka; Toru Kondo; Daisuke Ishihara; Fumihiko Usui; Makoto Hattori
        Publications of The Korean Astronomical Society, 31 Mar. 2017, Peer-reviewed
      • FIR VIEW OF DISKS OF WEAK-LINE T TAURI STARS
        Takita, Satoshi; Doi, Yasuo; Arimatsu, Ko; Ootsubo, Takafumi; AKARI Team
        Publications of The Korean Astronomical Society, 31 Mar. 2017, Peer-reviewed
      • AKARI far-infrared maps of the zodiacal dust bands
        Takafumi Ootsubo; Yasuo Doi; Satoshi Takita; Takao Nakagawa; Mitsunobu Kawada; Yoshimi Kitamura; Shuji Matsuura; Fumihiko Usui; Ko Arimatsu
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Jun. 2016, Peer-reviewed
      • Development of a real-time data processing system for a prototype of the Tomo-e Gozen wide field CMOS camera
        Ryou Ohsawa; Shigeyuki Sako; Hidenori Takahashi; Yuki Kikuchi; Mamoru Doi; Naoto Kobayashi; Tsutomu Aoki; Ko Arimatsu; Makoto Ichiki; Shiro Ikeda; Yoshifusa Ita; Toshihiro Kasuga; Hideo Kawakita; Mitsuru Kokubo; Hiroyuki Maehara; Noriyuki Matsunaga; Hiroyuki Mito; Kazuma Mitsuda; Takashi Miyata; Kiyoshi Mori; Yuki Mori; Mikio Morii; Tomoki Morokuma; Kentaro Motohara; Yoshikazu Nakada; Shin-ichiro Okumura; Hiroki Onozato; Kentaro Osawa; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Masaomi Tanaka; Yuki Taniguchi; Ataru Tanikawa; Ken'ichi Tarusawa; Nozomu Tominaga; Tomonori Totani; Seitaro Urakawa; Fumihiko Usui; Junichi Watanabe; Jumpei Yamaguchi; Makoto Yoshikawa
        SOFTWARE AND CYBERINFRASTRUCTURE FOR ASTRONOMY IV, 2016
      • Development of a prototype of the Tomo-e Gozen wide field CMOS camera
        Shigeyuki Sako; Ryou Ohsawa; Hidenori Takahashi; Yuki Kikuchi; Mamoru Doi; Naoto Kobayashi; Tsutomu Aoki; Ko Arimatsu; Makoto Ichiki; Shiro Ikeda; Yoshifusa Ita; Toshihiro Kasuga; Hideyo Kawakita; Mitsuru Kokubo; Hiroyuki Maehara; Noriyuki Matsunaga; Hiroyuki Mito; Kazuma Mitsuda; Takashi Miyata; Kiyoshi Mori; Yuki Mori; Mikio Morii; Tomoki Morokuma; Kentaro Motohara; Yoshikazu Nakada; Kentaro Osawa; Shin-ichiro Okumura; Hiroki Onozato; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Masaomi Tanaka; Yuki Taniguchi; Ataru Tanikawa; Ken'ichi Tarusawa; Nozomu Tominaga; Tomonori Totani; Seitaro Urakawa; Fumihiko Usui; Junichi Watanabe; Jumpei Yamaguchi; Makoto Yoshikawa
        GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI, 2016
      • The AKARI far-infrared all-sky survey maps
        Yasuo Doi; Satoshi Takita; Takafumi Ootsubo; Ko Arimatsu; Masahiro Tanaka; Yoshimi Kitamura; Mitsunobu Kawada; Shuji Matsuura; Takao Nakagawa; Takahiro Morishima; Makoto Hattori; Shinya Komugi; Glenn J. White; Norio Ikeda; Daisuke Kato; Yuji Chinone; Mireya Etxaluze; Elysandra F. Cypriano
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Jun. 2015, Peer-reviewed
      • Calibration of the AKARI far-infrared all-sky survey maps
        Satoshi Takita; Yasuo Doi; Takafumi Ootsubo; Ko Arimatsu; Norio Ikeda; Mitsunobu Kawada; Yoshimi Kitamura; Shuji Matsuura; Takao Nakagawa; Makoto Hattori; Takahiro Morishima; Masahiro Tanaka; Shinya Komugi
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Jun. 2015, Peer-reviewed
      • Kiso Supernova Survey (KISS): Survey strategy
        Tomoki Morokuma; Nozomu Tominaga; Masaomi Tanaka; Kensho Mori; Emiko Matsumoto; Yuki Kikuchi; Takumi Shibata; Shigeyuki Sako; Tsutomu Aoki; Mamoru Doi; Naoto Kobayashi; Hiroyuki Maehara; Noriyuki Matsunaga; Hiroyuki Mito; Takashi Miyata; Yoshikazu Nakada; Takao Soyano; Ken'ichi Tarusawa; Satoshi Miyazaki; Fumiaki Nakata; Norio Okada; Yuki Sarugaku; Michael W. Richmond; Hiroshi Akitaya; Greg Aldering; Ko Arimatsu; Carlos Contreras; Takashi Hortiuchi; Eric Y. Hsiao; Ryosuke Itoh; Ikuru Iwata; Koji S. Kawabata; Nobuyuki Kawai; Yutaro Kitagawa; Mitsuru Kokubo; Daisuke Kuroda; Paolo Mazzali; Toru Misawa; Yuki Moritani; Nidia Morrell; Rina Okamoto; Nikolay Pavlyuk; Mark M. Phillips; Elena Pian; Devendra Sahu; Yoshihiko Saito; Kei Sano; Maximilian D. Stritzinger; Yutaro Tachibana; Francesco Taddia; Katsutoshi Takaki; Ken Tateuchi; Akihiko Tomita; Dmitry Tsvetkov; Takahiro Ui; Nobuharu Ukita; Yuji Urata; Emma S. Walker; Taketoshi Yoshii
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Dec. 2014, Peer-reviewed
      • Point source calibration of the AKARI/FIS all-sky survey maps for stacking analysis
        Ko Arimatsu; Yasuo Doi; Takehiko Wada; Satoshi Takita; Mitsunobu Kawada; Shuji Matsuura; Takafumi Ootsubo; Hirokazu Kataza
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Apr. 2014, Peer-reviewed, Lead author
      • Multiwavelength study of the high-latitude cloud L1642: chain of star formation
        J. Malinen; M. Juvela; S. Zahorecz; A. Rivera-Ingraham; J. Montillaud; K. Arimatsu; J.-Ph. Bernard; Y. Doi; L. K. Haikala; R. Kawabe; G. Marton; P. McGehee; V.-M. Pelkonen; I. Ristorcelli; Y. Shimajiri; S. Takita; L. V. Tóth; T. Tsukagoshi; N. Ysard
        Astronomy & Astrophysics, Mar. 2014, Peer-reviewed
      • AKARI North Ecliptic Pole Deep Survey
        K. Murata; H. Matsuhara; T. Wada; K. Arimatsu; N. Oi; T. Takagi; S. Oyabu; T. Goto; Y. Ohyama; M. Malkan; C. Pearson; K. Małek; A. Solarz
        Astronomy & Astrophysics, Nov. 2013, Peer-reviewed
      • INTERSTELLAR DUST PROPERTIES OF M51 FROM AKARI MID-INFRARED IMAGES
        Fumi Egusa; Takehiko Wada; Itsuki Sakon; Takashi Onaka; Ko Arimatsu; Hideo Matsuhara
        ASTROPHYSICAL JOURNAL, Nov. 2013, Peer-reviewed
      • (CO)-C-12 (J=1-0) Survey with NRO 45 m of GOALS Luminous Infrared Galaxies: Star Formation Efficiency against Galactic Merger and AGN Activity
        Takuji Yamashita; Shinya Komugi; Hideo Matsuhara; Lee Armus; Hanae Inami; Sabrina Stierwalt; Kotaro Kohno; Daisuke Iono; Ko Arimatsu
        NEW TRENDS IN RADIO ASTRONOMY IN THE ALMA ERA: THE 30TH ANNIVERSARY OF NOBEYAMA RADIO OBSERVATORY, 2013, Peer-reviewed
      • AKARI FAR-INFRARED ALL-SKY SURVEY MAPS
        Yasuo Doi; Shinya Komugi; Mitsunobu Kawada; Satoshi Takita; Ko Arimatsu; Norio Ikeda; Daisuke Kato; Yoshimi Kitamura; Takao Nakagawa; Takafumi Ootsubo; Takahiro Morishima; Makoto Hattori; Masahiro Tanaka; Glenn J. White; Mireya Etxaluze; Hiroshi Shibai
        Publications of The Korean Astronomical Society, 16 Sep. 2012, Peer-reviewed
      • INTERSTELLAR DUST IN M51 FROM IRC IMAGES
        Fumi Egusa; I. Sakon; T. Onaka; H. Matsuhara; K. Arimatsu; T. Suzuki; T. Wada; The IRC team The IRC team
        Publications of The Korean Astronomical Society, 16 Sep. 2012, Peer-reviewed
      • THE FILAMENTARY WEB OF STAR FORMATION
        Glenn J. White; Yasuo Doi; Shinya Komugi; Mitsunobu Kawada; Satoshi Takita; Ko Arimatsu; Norio Ikeda; Daisuke Kato; Yoshimi Kitamura; Takao Nakagawa; Takafumi Ootsubo; Takahiro Morishima; Makoto Hattori; Masahiro Tanaka; Mireya Etxaluze; Hiroshi Shibai
        Publications of The Korean Astronomical Society, 16 Sep. 2012, Peer-reviewed
      • A SEARCH FOR INFRARED EMISSION FROM CORE-COLLAPSE SUPERNOVAE AT THE TRANSITIONAL PHASE
        Masaomi Tanaka; Takaya Nozawa; Itsuki Sakon; Takashi Onaka; Ko Arimatsu; Ryo Ohsawa; Keiichi Maeda; Takehiko Wada; Hideo Matsuhara; Hidehiro Kaneda
        ASTROPHYSICAL JOURNAL, Apr. 2012, Peer-reviewed
      • Prototype-testbed for infrared optics and coronagraph (PINOCO)
        K. Enya; K. Haze; K. Arimatsu; H. Kataza; T. Wada; T. Kotani; L. Abe; T. Yamamuro
        SPACE TELESCOPES AND INSTRUMENTATION 2012: OPTICAL, INFRARED, AND MILLIMETER WAVE, 2012
      • Properties of mid- to far-infrared dust emission in the nearby superwind galaxy M82
        Ko Arimatsu; Takashi Onaka; Itsuki Sakon; Fumi Egusa; Hidehiro Kaneda
        SPECTRAL ENERGY DISTRIBUTION OF GALAXIES, 2012, Lead author
      • Characterization and Improvement of the Image Quality of the Data Taken with the Infrared Camera (IRC) Mid-Infrared Channels on Board AKARI
        Ko Arimatsu; Takashi Onaka; Itsuki Sakon; Shinki Oyabu; Yoshifusa Ita; Toshihiko Tanabe; Daisuke Kato; Fumi Egusa; Takehiko Wada; Hideo Matsuhara
        PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, Aug. 2011, Peer-reviewed, Lead author
      • DETECTION OF THE DETACHED DUST SHELL OF U ANTLIAE AT MID-INFRARED WAVELENGTHS WITH AKARI/IRC
        Ko Arimatsu; Hideyuki Izumiura; Toshiya Ueta; Issei Yamamura; Takashi Onaka
        ASTROPHYSICAL JOURNAL LETTERS, Mar. 2011, Peer-reviewed, Lead author

      Misc.

      • ガリレオ衛星食を用いた木星大気探査:系外惑星大気のトランジット観測への応用可能性
        津村耕司; 白籏麻衣; 有松亘; 有松亘; 高橋康人; 倉本圭; 松浦周二; 和田武彦; 美濃和陽典; 早野裕; 中島健介; 中本泰史; 木村淳; 本田親寿; 江上英一; SURACE Jason
        日本天文学会年会講演予稿集, 2014
      • 木星の影におけるガニメデからの近赤外線放射
        津村耕司; 新井俊明; 新井俊明; 有松亘; 有松亘; 江上英一; 本田親寿; 木村淳; 倉本圭; 松浦周二; 中島健介; 中本泰史; 白籏麻衣; SURACE Jason; 和田武彦
        日本惑星科学会秋季講演会予稿集(Web), 2013
      • Follow-up Observations of Galilean Satellite Eclipses Aimed to Detection of the Cosmic Infrared Background
        津村 耕司; 新井 俊明; 有松 亘
        Bulletin of the Center for Astronomy, University of Hyogo = 兵庫県立大学天文科学センター紀要, 2013
      • 史上9例目の観測に成功 木星衝突閃光をとらえた
        有松 亘
        月刊天文ガイド 2021年12月号, Nov. 2021
      • 史上9例目、木星表面の衝突閃光をとらえた
        有松 亘
        アストロアーツWEBニュース, Oct. 2021
      • またたく宇宙をつかまえる<後編> アマチュア天文学の未来
        有松 亘
        月刊星ナビ 2020年8月号, Jul. 2020
      • またたく宇宙をつかまえる 前編 360万円でEKBO発見
        有松 亘
        月刊星ナビ 2020年6月号, May 2020
      • 太陽系の果てに小天体の影を発見したのは、宮古島の小さな望遠鏡だった – 半径約1.3kmのカイパーベルト天体を初観測
        有松 亘
        academist Journal, Apr. 2019

      Media Coverage

      • 今世紀最大の“火球”観測! 木星に小天体が衝突する瞬間 研究のきっかけは「暇だったから」
        FNNプライムオンライン, Sep. 2022, Media report
      • 市販望遠鏡で太陽系の果て観測 50億km離れた半径1.3kmの天体
        毎日新聞, 29 Jan. 2021, Paper
      • 木星で発光現象 約3秒間強く輝く 隕石落下か 京都大 天文台
        NHK, NHKニュース7, 17 Oct. 2021, Media report
      • 低予算で大発見!太陽系の “最果て” に小天体 日本の研究者
        NHK, NHKニュース おはよう日本, Jan. 2019, Media report
      • OASES 氷小天体を探せ
        宮古テレビ, MTVサンデートピック, Nov. 2018, Media report

      External funds: Kakenhi

      • オールトの雲へ: 小望遠鏡群で拓く太陽系のさいはて
        Grant-in-Aid for Scientific Research (B)
        Basic Section 17010:Space and planetary sciences-related
        National Astronomical Observatory of Japan
        渡部 潤一
        From 01 Apr. 2021, To 31 Mar. 2026, Granted
        太陽系;惑星科学;太陽系外縁天体;オールトの雲;高時間分解能天文学
      • Revealing the Oort cloud
        Grant-in-Aid for Early-Career Scientists
        Basic Section 17010:Space and planetary sciences-related
        Kyoto University
        Ko Arimatsu
        From 01 Apr. 2018, To 31 Mar. 2021, Project Closed
        太陽系外縁部;タイムドメイン天文学;惑星科学;冥王星;観測天文学;高時間分解能天文学
      • Outer solar system revealed by small high-cadence observation systems
        Grant-in-Aid for Young Scientists (B)
        National Astronomical Observatory of Japan
        Ko Arimatsu
        From 01 Apr. 2016, To 31 Mar. 2018, Project Closed
        太陽系外縁部;高時間分解能天文学;太陽系天文学;カイパーベルト;装置開発;高時間分解能;惑星起源・進化;惑星物理学;光学赤外線天文学

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