T
Takahiro Ui
Researcher at Hiroshima University
Publications - 42
Citations - 1193
Takahiro Ui is an academic researcher from Hiroshima University. The author has contributed to research in topics: Supernova & Blazar. The author has an hindex of 20, co-authored 42 publications receiving 1101 citations.
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Journal ArticleDOI
Rapid Variability of Blazar 3C 279 During Flaring States in 2013-2014 with Joint Fermi-LAT, NuSTAR, Swift, and Ground-Based Multi-Wavelength Observations
M. Hayashida,Krzysztof Nalewajko,G. M. Madejski,M. Sikora,Ryosuke Itoh,Marco Ajello,Roger Blandford,S. Buson,S. Buson,James Chiang,Yasushi Fukazawa,A. K. Furniss,C. M. Urry,Imran Hasan,Fiona A. Harrison,David M. Alexander,Mislav Baloković,Didier Barret,Didier Barret,Steven E. Boggs,Finn Erland Christensen,W. W. Craig,W. W. Craig,K. Forster,Paolo Giommi,Brian W. Grefenstette,C. J. Hailey,Allan Hornstrup,Takao Kitaguchi,Jason E. Koglin,K. K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,Simonetta Puccetti,Vikram Rana,D. Stern,Gianpiero Tagliaferri,Niels Jørgen Stenfeldt Westergaard,W. W. Zhang,Andreas Zoglauer,Mark Gurwell,Makoto Uemura,Hiroshi Akitaya,Koji S. Kawabata,K. Kawaguchi,Yuka Kanda,Yuki Moritani,Katsutoshi Takaki,Takahiro Ui,Michitoshi Yoshida,Aditi Agarwal,Alok C. Gupta +56 more
TL;DR: The results of a multiband observing campaign on the famous blazar 3C 279 conducted during a phase of increased activity from 2013 December to 2014 April, including first observations of it with NuSTAR were reported in this paper.
Journal ArticleDOI
Rapid Variability of Blazar 3C 279 during Flaring States in 2013-2014 with Joint Fermi-LAT, NuSTAR, Swift, and Ground-Based Multi-wavelength Observations
M. Hayashida,Krzysztof Nalewajko,G. M. Madejski,M. Sikora,R. Itoh,Marco Ajello,Roger Blandford,Sara Buson,James Chiang,Yasushi Fukazawa,Amy Furniss,C. M. Urry,Imran Hasan,Fiona A. Harrison,David M. Alexander,Mislav Baloković,Didier Barret,Steven E. Boggs,F. E. Christensen,William W. Craig,K. Forster,P. Giommi,Brian W. Grefenstette,C. J. Hailey,Allan Hornstrup,Takao Kitaguchi,Jason E. Koglin,K. K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,V. Rana,D. Stern,G. Tagliaferri,N. J. Westergaard,W. W. Zhang,Andreas Zoglauer,Mark Gurwell,Makoto Uemura,Hiroshi Akitaya,Koji S. Kawabata,K. Kawaguch,Yuka Kanda,Y. Moritani,Katsutoshi Takaki,Takahiro Ui,Michitoshi Yoshida,Aditi Agarwal,Alok C. Gupta +51 more
TL;DR: In this article, the authors report the results of a multi-band observing campaign on the famous blazar 3C 279 conducted during a phase of increased activity from 2013 December to 2014 April, including first observations of it with NuSTAR.
Journal ArticleDOI
Optical and Near-infrared Polarimetry of Highly Reddened Type Ia Supernova 2014J: Peculiar Properties of Dust in M82
Koji S. Kawabata,Hiroshi Akitaya,Masayuki Yamanaka,Masayuki Yamanaka,Ryosuke Itoh,Keiichi Maeda,Keiichi Maeda,Yuki Moritani,Takahiro Ui,Miho Kawabata,Koji Mori,Daisaku Nogami,Ken'ichi Nomoto,Nao Suzuki,Katsutoshi Takaki,Masaomi Tanaka,Issei Ueno,Shingo Chiyonobu,Tatsuya Harao,Risako Matsui,Hisashi Miyamoto,Osamu Nagae,Asami Nakashima,Hidehiko Nakaya,Y. Ohashi,T. Ohsugi,T. Komatsu,K. Sakimoto,Mahito Sasada,Hitoshi Sato,Hiroyuki Tanaka,T. Urano,Takuya Yamashita,Michitoshi Yoshida,Akira Arai,Nana Ebisuda,Yasushi Fukazawa,Akihiko Fukui,Osamu Hashimoto,Satoshi Honda,Hideyuki Izumiura,Y. Kanda,K. Kawaguchi,Nobuyuki Kawai,Daisuke Kuroda,Kazunari Masumoto,Katsura Matsumoto,Tatsuya Nakaoka,Koji Takata,Makoto Uemura,K. Yanagisawa +50 more
TL;DR: In this paper, the authors present optical and near-infrared multi-band linear polarimetry of the highly reddened Type Ia supernova (SN) 2014J that appeared in M82.
Journal ArticleDOI
Kiso Supernova Survey (KISS): Survey strategy
Tomoki Morokuma,Nozomu Tominaga,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 Richmond,Hiroshi Akitaya,Greg Aldering,Ko Arimatsu,Ko Arimatsu,Carlos Contreras,Carlos Contreras,Takashi Horiuchi,Eric Hsiao,Eric Hsiao,Ryosuke Itoh,Ikuru Iwata,Koji S. Kawabata,Nobuyuki Kawai,Yutaro Kitagawa,Mitsuru Kokubo,Daisuke Kuroda,Paolo A. Mazzali,Toru Misawa,Yuki Moritani,Nidia Morrell,Rina Okamoto,N. N. Pavlyuk,Mark M. Phillips,Elena Pian,Elena Pian,D. K. Sahu,Yoshihiko Saito,Kei Sano,Kei Sano,Maximilian Stritzinger,Yutaro Tachibana,Francesco Taddia,Katsutoshi Takaki,Ken Tateuchi,Akihiko Tomita,D. Y. Tsvetkov,Takahiro Ui,Nobuharu Ukita,Yuji Urata,Emma S. Walker,Taketoshi Yoshii +64 more
TL;DR: The Kiso Supernova Survey (KISS) as mentioned in this paper is a high-cadence optical wide-field supernova (SN) survey performed using a 2.2×2.2 deg fild-of-view instrument on the 1.05m Kiso Schmidt telescope.
Journal ArticleDOI
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 Richmond,Hiroshi Akitaya,Greg Aldering,Ko Arimatsu,Carlos Contreras,Takashi Horiuchi,Eric 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,N. N. Pavlyuk,Mark M. Phillips,Elena Pian,D. K. Sahu,Yoshihiko Saito,Kei Sano,Maximilian Stritzinger,Yutaro Tachibana,Francesco Taddia,Katsutoshi Takaki,Ken Tateuchi,Akihiko Tomita,D. Y. Tsvetkov,Takahiro Ui,Nobuharu Ukita,Yuji Urata,Emma S. Walker,Taketoshi Yoshii +60 more
TL;DR: The Kiso Supernova Survey (KISS) as mentioned in this paper is a high-cadence optical wide-field supernova (SN) survey performed using a 2.2x2.2 deg field-of-view instrument on the 1.05m Kiso Schmidt telescope.