Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Osamu Nagae"'
Autor:
Shingo Chiyonobu, Masaru Kino, Taichi Kato, Akira Arai, Hiroyuki Maehara, Hiromitsu Takahashi, Kenshi Yanagisawa, Michitoshi Yoshida, Takashi Ohsugi, Kazuhiro Nakajima, Kiichi Okita, Koji S. Kawabata, Osamu Nagae, Takuya Yamashita, Makoto Uemura, Tsunefumi Mizuno, Kozo Sadakane, Yasushi Fukazawa, Hideaki Katagiri, Masahiro Kitagawa, Seiichiro Kiyota, Shuji Sato, Mizuki Isogai
Publikováno v:
Publications of the Astronomical Society of Japan. 62:1103-1108
We present optical and near-infrared (NIR) photometry of a classical nova, V2362 Cyg (= Nova Cygni 2006). V2362 Cyg experienced a peculiar rebrightening with a long duration from 100 to 240 d after the maximum of the nova. Our multicolor observation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14a721528d0b9927cb92ed1b808b5ebb
https://doi.org/10.1093/pasj/62.4.1103
https://doi.org/10.1093/pasj/62.4.1103
Autor:
Risako Matsui, Taichi Kato, Hiroyuki Tanaka, Daisaku Nogami, Mahito Sasada, Takashi Ohsugi, Koji S. Kawabata, A. Imada, M. Isogai, Yasushi Fukazawa, Kaori Kubota, Osamu Nagae, Masaru Kino, Shota Oizumi, Toshihiro Omodaka, Shuji Sato, Y. Moritani, T. Uehara, Hisashi Miyamoto, Makoto Uemura, Akira Arai, Hiroyuki Maehara, Takuya Yamashita
Publikováno v:
Publications of the Astronomical Society of Japan. 62:187-199
We report the observation of a new dwarf nova, OT J055717+683226, during its first-ever recorded superoutburst in December 2006. Our observation shows that this object is an SU UMa-type dwarf nova having a very short superhump period of 76.67+/- 0.03
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd7f68cd24f959ad7bcbe3fb2f93f3b6
https://doi.org/10.1093/pasj/62.1.187
https://doi.org/10.1093/pasj/62.1.187
Publikováno v:
The Astronomical Journal. 137:3509-3519
We present optical spectropolarimetric observations of three microquasars, Cyg X-1, LS 5039, and LS I +61{sup 0} 303. Polarimetry can bring us geometrical information on the innermost part of the circumstellar media. For Cyg X-1, the observed continu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31b0610b0b1b951d0df7d57312218ccc
https://doi.org/10.1088/0004-6256/137/3/3509
https://doi.org/10.1088/0004-6256/137/3/3509
Autor:
Hiroyuki Maehara, Koji S. Kawabata, Taichi Kato, Hiromitsu Takahashi, S. Yu. Shugarov, Takuya Yamashita, Takehiro Hayashi, A. Imada, K. Yanagisawa, Tsunefumi Mizuno, T. Ohsugi, Yasushi Fukazawa, V. P. Goranskij, Makoto Uemura, K. Okita, A. Arai, Hideaki Katagiri, Michitoshi Yoshida, Daisaku Nogami, Kozo Sadakane, E. P. Pavlenko, Kazuhiro Nakajima, Osamu Nagae, M. Kino, T. Krajci, Shingo Chiyonobu, Shuji Sato, Natalia Katysheva, Atsushi Ueda
Publikováno v:
Publications of the Astronomical Society of Japan. 60:227-236
Several SU UMa-type dwarf novae, in particular, WZ Sge-type stars tend to exhibit rebrightenings after superoutbursts. The rebrightening phenomenon is problematic for the disk instability theory of dwarf novae since it requires a large amount of remn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f76f701d4e5225c5f47ba2bdccd95b54
https://doi.org/10.1093/pasj/60.2.227
https://doi.org/10.1093/pasj/60.2.227
Autor:
Y. Ikeda, Masafumi Matsumura, Osamu Nagae, Mizuki Isogai, Koji S. Kawabata, H. Akitaya, M. Seki, K. Matsuda
Publikováno v:
The Astronomical Journal. 134:1877-1889
We present an extended optical spectropolarimetry of R CrB from 1998 January to 2003 September. The polarization was almost constant in the phase of maximum brightness, being consistent with past observations. We detected, however, temporal changes o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73034435da23a08d818ce39cadca2848
https://doi.org/10.1086/522629
https://doi.org/10.1086/522629
Publikováno v:
Journal of the American Chemical Society. 127:11720-11726
A new type of photoinduced nitric oxide (NO) donors was designed from nitrobenzene derivatives. Visible-light irradiation of 2,6-dimethylnitrobenzenes bearing extended pi-electron systems at the 4-position revealed efficient NO release using ESR anal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faa0d2853c4d708e1735d65a86e7a904
https://doi.org/10.1021/ja0512024
https://doi.org/10.1021/ja0512024
Autor:
Masanobu Uchiyama, Kentaro Yamaguchi, Tomohiko Ohwada, Yuko Otani, Satoshi Inagaki, Gaku Yamamoto, Yuji Naruse, Osamu Nagae, Masashi Ohno
Publikováno v:
Journal of the American Chemical Society. 125:15191-15199
Here we show that amides of bicyclic 7-azabicyclo[2.2.1]heptane are intrinsically nitrogen-pyramidal. Single-crystal X-ray diffraction structures of some relevant bicyclic amides, including the prototype N-benzoyl-7-azabicyclo[2.2.1]heptane, exhibite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1656e8c222085c2993e9e176c1ed9828
https://doi.org/10.1021/ja036644z
https://doi.org/10.1021/ja036644z
Autor:
Y. Kanda, Osamu Hashimoto, Yuki Moritani, Akihiko Fukui, Masayuki Yamanaka, Hisashi Miyamoto, Y. Ohashi, Katsutoshi Takaki, K. Yanagisawa, Takahiro Ui, Tatsuya Nakaoka, Akira Arai, Takuya Yamashita, Ken'ichi Nomoto, T. Ohsugi, Tatsuya Harao, Daisaku Nogami, Miho Kawabata, Hitoshi Sato, Michitoshi Yoshida, K. Kawaguchi, Nao Suzuki, Nobuyuki Kawai, Yasushi Fukazawa, K. Sakimoto, Shingo Chiyonobu, Issei Ueno, Kazunari Masumoto, Keiichi Maeda, Hidehiko Nakaya, Mahito Sasada, Makoto Uemura, Masaomi Tanaka, Ryosuke Itoh, Koji Mori, Hideyuki Izumiura, T. Urano, Hiroshi Akitaya, Osamu Nagae, Hiroyuki Tanaka, Koji S. Kawabata, T. Komatsu, Daisuke Kuroda, Satoshi Honda, Koji Takata, Katsura Matsumoto, Risako Matsui, Nana Ebisuda, Asami Nakashima
We presented optical and near-infrared multi-band linear polarimetry of the highly reddened Type Ia SN~2014J appeared in M82. SN~2014J exhibits large polarization at shorter wavelengths, e.g., $4.8$\% in $B$ band, and the polarization decreases rapid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bb45c9be90409a2cd112f289591e960
http://arxiv.org/abs/1407.0452
http://arxiv.org/abs/1407.0452
Autor:
Kazuyoshi Imamura, Mikiha Nose, Masayuki Yamanaka, Osamu Nagae, Ryosuke Itoh, Kenji Tanabe, Tatsuya Harao, T. Komatsu, T. Okushima, Mitsugu Fujii, K. Sakimoto, Nanae Kunitomi, Koji S. Kawabata, Makoto Uemura, Michitoshi Yoshida, Akira Arai, Takashi Ohsugi, Mahito Sasada
Publikováno v:
Scopus-Elsevier
We present early spectroscopy of the recurrent nova U~Sco during the outburst in 2010. We successfully obtained time-series spectra at $t_{\rm d}=$0.37--0.44~d, where $t_{\rm d}$ denotes the time from the discovery of the present outburst. This is th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3605d5bbb6dc6d3c72b61c1d19ed025a
http://arxiv.org/abs/1008.2843
http://arxiv.org/abs/1008.2843
Publikováno v:
Proceedings of VII Microquasar Workshop: Microquasars and Beyond — PoS(MQW7).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d1cae16f1cbd43c6b695bdb814a3054
https://doi.org/10.22323/1.062.0102
https://doi.org/10.22323/1.062.0102