Masafumi Yagi
Hosei University
176 Papers
1.3K Citations
Masafumi Yagi is an academic researcher from Hosei University. The author has contributed to research in topics: Galaxy & Coma Cluster. The author has an hindex of 46, co-authored 171 publications. Previous affiliations of Masafumi Yagi include Subaru & National Institutes of Natural Sciences, Japan.
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Papers
Subaru Prime Focus Camera — Suprime-Cam
Satoshi Miyazaki,Yutaka Komiyama,Maki Sekiguchi,Sadanori Okamura,Mamoru Doi,Hisanori Furusawa,Masaru Hamabe,Katsumi Imi,Masahiko Kimura,Fumiaki Nakata,Norio Okada,Masami Ouchi,Kazuhiro Shimasaku,Masafumi Yagi,Naoki Yasuda +14 more
TL;DR: In this article, an 80-mega pixels (10240 × 8192) mosaic CCD camera, called Suprime-Cam, was built for the wide-field prime focus of the 8.2m Subaru telescope.
Approximately a thousand ultra-diffuse galaxies in the coma cluster
TL;DR: In this article, the authors reported the discovery of 854 ultra-diffuse galaxies (UDGs) in the Coma cluster using deep R band images, with partial B, i, and H? band coverage, obtained with the Subaru telescope.
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The Discovery of Two Lyman α Emitters beyond Redshift 6 in the Subaru Deep Field
K. Kodaira,Yoshiaki Taniguchi,Nobunari Kashikawa,Norio Kaifu,Hiroyasu Ando,Hiroshi Karoji,Masaru Ajiki,Masayuki Akiyama,Kentaro Aoki,Mamoru Doi,Shinobu S. Fujita,Hisanori Furusawa,Tomoki Hayashino,Masatoshi Imanishi,Fumihide Iwamuro,Masanori Iye,Koji S. Kawabata,Naoto Kobayashi,Tadayuki Kodama,Yutaka Komiyama,George Kosugi,Yuichi Matsuda,Satoshi Miyazaki,Yoshihiko Mizumoto,Kentaro Motohara,Takashi Murayama,Tohru Nagao,Kyoji Nariai,Kouji Ohta,Youichi Ohyama,Sadanori Okamura,Masami Ouchi,Toshiyuki Sasaki,Kazuhiro Sekiguchi,Kazuhiro Shimasaku,Y. Shioya,Tadafumi Takata,Hajime Tamura,Hiroshi Terada,Masayuki Umemura,Tomonori Usuda,Masafumi Yagi,Toru Yamada,Naoki Yasuda,Michitoshi Yoshida +44 more
TL;DR: This paper performed a deep optical imaging survey using a narrow-band filter (NB921) centered at λ=9196 u A together with a single camera and a narrowband filter.
Catalog of Ultra-diffuse Galaxies in the Coma Clusters from Subaru Imaging Data
TL;DR: In this article, the authors present a catalog of ultra-diffuse galaxies (UDGs) in the Coma cluster, which includes positions, magnitudes, effective radii, mean and central SBs, and colors.
Current Performance and On-Going Improvements of the 8.2 m Subaru Telescope
Masanori Iye,Hiroshi Karoji,Hiroyasu Ando,Norio Kaifu,K. Kodaira,Kentaro Aoki,Wako Aoki,Yoshihiro Chikada,Yoshiyuki Doi,Noboru Ebizuka,Brian Elms,Gary Fujihara,Hisanori Furusawa,Tetsuharu Fuse,Wolfgang Gaessler,Sumiko Harasawa,Yutaka Hayano,Masahiko Hayashi,Saeko S. Hayashi,Shin-Ichi Ichikawa,Masatoshi Imanishi,Catherine M. Ishida,Yukiko Kamata,Tomio Kanzawa,Nobunari Kashikawa,Koji S. Kawabata,Naoto Kobayashi,Yutaka Komiyama,George Kosugi,Tomio Kurakami,Michael Letawsky,Yoshitaka Mikami,Akihiko Miyashita,Satoshi Miyazaki,Yoshihiko Mizumoto,Jun-Ichi Morino,Kentaro Motohara,Koji Murakawa,Masao Nakagiri,Kyoko Nakamura,Hidehiko Nakaya,Kyoji Nariai,Tetsuo Nishimura,Kunio Noguchi,Takeshi Noguchi,Junichi Noumaru,Ryusuke Ogasawara,Norio Ohshima,Y. Ohyama,Kiichi Okita,Koji Omata,Masashi Otsubo,Shin Oya,Robert Potter,Yoshihiko Saito,Toshiyuki Sasaki,Shuji Sato,Dennis Scarla,Kiaina Schubert,Kazuhiro Sekiguchi,Maki Sekiguchi,Ian Shelton,Chris Simpson,Hiroshi Suto,Akito Tajitsu,Hideki Takami,Tadafumi Takata,Naruhisa Takato,Richard Tamae,Motohide Tamura,Wataru Tanaka,Hiroshi Terada,Yasuo Torii,Fumihiko Uraguchi,Tomonori Usuda,Mark Weber,Tom Winegar,Masafumi Yagi,Toru Yamada,Takuya Yamashita,Yasumasa Yamashita,Naoki Yasuda,Michitoshi Yoshida,Masami Yutani +83 more
TL;DR: An overview of the current status of the 8.2m Subaru Telescope constructed and operated at Mauna Kea, Hawaii, by the National Astronomical Observatory of Japan is presented in this paper.
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