Y
Yoichi Tamura
Researcher at Nagoya University
Publications - 329
Citations - 9471
Yoichi Tamura is an academic researcher from Nagoya University. The author has contributed to research in topics: Galaxy & Star formation. The author has an hindex of 50, co-authored 302 publications receiving 8175 citations. Previous affiliations of Yoichi Tamura include University of Colorado Boulder & Max Planck Society.
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Journal ArticleDOI
The onset of star formation 250 million years after the Big Bang
Takuya Hashimoto,Nicolas Laporte,Nicolas Laporte,Ken Mawatari,Richard S. Ellis,Akio K. Inoue,Erik Zackrisson,Guido Roberts-Borsani,Wei Zheng,Yoichi Tamura,Franz E. Bauer,Franz E. Bauer,Franz E. Bauer,Thomas J. Fletcher,Yuichi Harikane,Bunyo Hatsukade,Natsuki H. Hayatsu,Natsuki H. Hayatsu,Yuichi Matsuda,Hiroshi Matsuo,Takashi Okamoto,Masami Ouchi,Masami Ouchi,Roser Pello,Claes Erik Rydberg,Ikkoh Shimizu,Yoshiaki Taniguchi,Hideki Umehata,Hideki Umehata,Naoki Yoshida,Naoki Yoshida +30 more
TL;DR: Spectroscopic observations of MACS1149-JD16, a gravitationally lensed galaxy observed when the Universe was less than four per cent of its present age, reveal that star formation began at a redshift of about 15, around 250 million years after the Big Bang.
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An Intensely Star-forming Galaxy at z ~ 7 with Low Dust and Metal Content Revealed by Deep ALMA and HST Observations
Masami Ouchi,Masami Ouchi,Richard S. Ellis,Yoshiaki Ono,Kouichiro Nakanishi,Kotaro Kohno,Rieko Momose,Yasutaka Kurono,M. L. N. Ashby,Kazuhiro Shimasaku,Steven P. Willner,Giovanni G. Fazio,Yoichi Tamura,Daisuke Iono +13 more
TL;DR: In this paper, the authors report deep ALMA observations complemented by associated Hubble Space Telescope (HST) imaging for a luminous galaxy, "Himiko," at a redshift of z = 6.595.
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Kilonova from post-merger ejecta as an optical and near-Infrared counterpart of GW170817
Masaomi Tanaka,Yousuke Utsumi,Paolo A. Mazzali,Nozomu Tominaga,Nozomu Tominaga,Michitoshi Yoshida,Yuichiro Sekiguchi,Tomoki Morokuma,Kentaro Motohara,Kouji Ohta,Koji S. Kawabata,Fumio Abe,Kentaro Aoki,Yuichiro Asakura,Stefan Baar,Sudhanshu Barway,Ian A. Bond,Mamoru Doi,Takuya Fujiyoshi,Hisanori Furusawa,Satoshi Honda,Yoichi Itoh,Miho Kawabata,Nobuyuki Kawai,Ji Hoon Kim,Chien-Hsiu Lee,Shota Miyazaki,Kumiko Morihana,Kumiko Morihana,Hiroki Nagashima,Takahiro Nagayama,Tatsuya Nakaoka,Fumiaki Nakata,Ryou Ohsawa,Tomohito Ohshima,Hirofumi Okita,Tomoki Saito,Takahiro Sumi,Akito Tajitsu,Jun Takahashi,Masaki Takayama,Yoichi Tamura,Ichi Tanaka,Tsuyoshi Terai,Paul J. Tristram,Naoki Yasuda,Tetsuya Zenko +46 more
TL;DR: In this article, the authors performed radiative transfer simulations of kilonova, optical and near-infrared emissions powered by radioactive decays of r-process nuclei synthesized in the merger.
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Detection of an oxygen emission line from a high-redshift galaxy in the reionization epoch
Akio K. Inoue,Yoichi Tamura,Hiroshi Matsuo,Ken Mawatari,Ikkoh Shimizu,Takatoshi Shibuya,Kazuaki Ota,Naoki Yoshida,Erik Zackrisson,Nobunari Kashikawa,Kotaro Kohno,Hideki Umehata,Hideki Umehata,Bunyo Hatsukade,Masanori Iye,Yuichi Matsuda,Takashi Okamoto,Yuki Yamaguchi +17 more
TL;DR: The Atacama Large Millimeter/submillimeter Array detection of an oxygen emission line at a wavelength of 88 micrometers from a galaxy at an epoch about 700 million years after the Big Bang is reported.
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Compact Starbursts in z ̃ 3-6 Submillimeter Galaxies Revealed by ALMA
Soh Ikarashi,Soh Ikarashi,Rob Ivison,Rob Ivison,Karina Caputi,Itziar Aretxaga,James Dunlop,Bunyo Hatsukade,David H. Hughes,Daisuke Iono,Daisuke Iono,Takuma Izumi,Ryohei Kawabe,Ryohei Kawabe,Ryohei Kawabe,Kotaro Kohno,Claudia del P. Lagos,Kentaro Motohara,Kouichiro Nakanishi,Kouichiro Nakanishi,Kouji Ohta,Yoichi Tamura,Hideki Umehata,Grant W. Wilson,Kiyoto Yabe,Min S. Yun +25 more
TL;DR: In this article, the authors reported the source size distribution of 13 AzTEC-selected submillimeter galaxies (SMGs) at z(phot) similar to 3-6.