Ko Arimatsu

Publications

　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　

Diffraction modelling of a 2023 March 5 stellar occultation by subkilometer-sized asteroid (98943) 2001 CC21

Ko Arimatsu, Fumi Yoshida, Tsutomu Hayamizu, Miyoshi Ida, George L Hashimoto, Takashi Abe, Hiroshi Akitaya, Akari Aratani, Hidekazu Fukuda, Yasuhide Fujita, Takao Fujiwara, Toshihiro Horikawa, Tamio Iihoshi, Kazuyoshi Imamura, Ryo Imazawa, Hisashi Kasebe, Ryosuke Kawasaki, Hiroshi Kishimoto, Kazuhisa Mishima, Machiko Miyachi, Masanori Mizutani, Maya Nakajima, Hiroyoshi Nakatani, Kazuhiko Okamura, Misaki Okanobu, Masataka Okuda, Yuji Suzuki, Naoto Tatsumi, Masafumi Uno, Hidehito Yamamura, Mikoto Yasue, Hideki Yoshihara, Masatoshi Hirabayashi, Makoto Yoshikawa (2024) — Publications of the Astronomical Society of Japan 76 : 940-949 · DOI

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 (2019) — Astronomical Journal 158 : 236 (pp) · DOI

Candidate Distant Trans-Neptunian Objects Detected by the New Horizons Subaru TNO Survey

Wesley C. Fraser, Simon B. Porter, Lowell Peltier, JJ Kavelaars, Anne J. Verbiscer, Marc W. Buie, S. Alan Stern, John R. Spencer, Susan D. Benecchi, Tsuyoshi Terai, Takashi Ito, Fumi Yoshida, David W. Gerdes, Kevin J. Napier, Hsing Wen Lin, Stephen D. J. Gwyn, Hayden Smotherman, Sebastien Fabbro, Kelsi N. Singer, Amanda M. Alexander, Ko Arimatsu, Maria E. Banks, Veronica J. Bray, Mohamed Ramy El-Maarry, Chelsea L. Ferrell, Tetsuharu Fuse, Florian Glass, Timothy R. Holt, Peng Hong, Ryo Ishimaru, Perianne E. Johnson, Tod R. Lauer, Rodrigo Leiva, Patryk S. Lykawka, Raphael Marschall, Jorge I. Núñez, Marc Postman, Eric Quirico, Alyssa R. Rhoden, Anna M. Simpson, Paul Schenk, Michael F. Skrutskie, Andrew J. Steffl, Henry Throop (2024) — The Planetary Science Journal 5 : 227 · DOI

JASMINE: Near-Infrared Astrometry and Time Series Photometry Science

Daisuke Kawata, Hajime Kawahara, Naoteru Gouda, Nathan J. Secrest, Ryouhei Kano, Hirokazu Kataza, Naoki Isobe, Ryou Ohsawa, Fumihiko Usui, Yoshiyuki Yamada, Alister W. Graham, Alex R. Pettitt, Hideki Asada, Junichi Baba, Kenji Bekki, Bryan N. Dorland, Michiko Fujii, Akihiko Fukui, Kohei Hattori, Teruyuki Hirano, Takafumi Kamizuka, Shingo Kashima, Norita Kawanaka, Yui Kawashima, Sergei A. Klioner, Takanori Kodama, Naoki Koshimoto, Takayuki Kotani, Masayuki Kuzuhara, Stephen E. Levine, Steven R. Majewski, Kento Masuda, Noriyuki Matsunaga, Kohei Miyakawa, Makoko Miyoshi, Kumiko Morihana, Ryoichi Nishi, Yuta Notsu, Masashi Omiya, Jason Sanders, Ataru Tanikawa, Masahiro Tsujimoto, Taihei Yano, Masataka Aizawa, Ko Arimatsu, Michael Biermann, Celine Boehm, Masashi Chiba, Victor P. Debattista, Ortwin Gerhard, Masayuki Hirabayashi, David Hobbs, Bungo Ikenoue, Hideyuki Izumiura, Carme Jordi, Naoki Kohara, Wolfgang Löffler, Xavier Luri, Ichiro Mase, Andrea Miglio, Kazuhisa Mitsuda, Trent Newswander, Shogo Nishiyama, Yoshiyuki Obuchi, Takafumi Ootsubo, Masami Ouchi, Masanobu Ozaki, Michael Perryman, Timo Prusti, Pau Ramos, Justin I. Read, R. Michael Rich, Ralph Schönrich, Minori Shikauchi, Risa Shimizu, Yoshinori Suematsu, Shotaro Tada, Aoi Takahashi, Takayuki Tatekawa, Daisuke Tatsumi, Takuji Tsujimoto, Toshihiro Tsuzuki, Seitaro Urakawa, Fumihiro Uraguchi, Shin Utsunomiya, Vincent Van Eylen, Floor van Leeuwen, Takehiko Wada, Nicholas A. Walton (2024) — Publications of the Astronomical Society of Japan 76 : 3 (386-425) · DOI

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 (2022) — Publications of the Astronomical Society of Japan 74 : 1069‒1094 · DOI

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, And Jun-Ichi Watanabe (2022) — Publications of the Astronomical Society of Japan 74 : 877‒903 · DOI

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 (2021) — The Astrophysical Journal Letters 923 : L8 · DOI

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, Kenʼichi Tarusawa, Nozomu Tominaga, Seitaro Urakawa, Fumihiko Usui, Takuya Yamashita, Makoto Yoshikawa (2020) — Planetary and Space Science 194 : 105011 (14 pp) · DOI

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-Ich, 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 (2020) — Publications of the Astronomical Society of Japan 72 : 3 (1-14) · DOI

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 (2019) — Planetary and Space Science 165 : 281-292 · DOI

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, Kenʼichi Tarusawa, Nozomu Tominaga, Tomonori Totani, Seitaro Urakawa, Fumihiko Usui, Junichi Watanabe, Takuya Yamashita, Makoto Yoshikawa (2018) — Proceedings of the SPIE 10709 : 107091T · DOI

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 (2018) — Proceedings of the SPIE 10702 : 107020J · DOI

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 (2017) — Publications of The Korean Astronomical Society 32 : 11-15

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 (2016) — Publications of the Astronomical Society of Japan 68 : 35 (1–15) · DOI

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 (2016) — Proceedings of the SPIE 9908 : 99083P · DOI

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 (2016) — Proceedings of the SPIE 9913 : 991339 · DOI

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 (2015) — Publications of the Astronomical Society of Japan 67 : 50 (1–22) · DOI

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 Horiuchi, 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 (2014) — Publications of the Astronomical Society of Japan 66 : 114 (1–16) · DOI

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 (2012) — Publications of The Korean Astronomical Society 27 : 201-207

Interstellar Dust in M51 from IRC Images

Fumi Egusa, Itsuki Sakon, Takashi Onaka, Hideo Matsuhara, Ko Arimatsu, Toyoaki Suzuki, Takehiko Wada, IRC Team (2012) — Publications of The Korean Astronomical Society 27 : 253-256

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 (2012) — Publications of The Korean Astronomical Society 27 : 111-116