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MAXI/GSC detects an outburst from a Be/X-ray binary GRO J1008-57

ATel #2769; M. Suzuki, T. Mihara, Y. E. Nakagawa, M. Sugizaki, T. Yamamoto, T. Sootome, M. Matsuoka (RIKEN), N. Kawai, M. Morii, K. Sugimori, R. Usui (Tokyo Tech), K. Kawasaki, S. Ueno, H. Tomida, M. Kohama, M. Ishikawa (JAXA), A. Yoshida, K. Yamaoka, S. Nakahira (AGU), H. Tsunemi, M. Kimura (Osaka U.), H. Negoro, M. Nakajima H. Ozawa, F. Suwa (Nihon U.), Y. Ueda, N. Isobe, S. Eguchi, K. Hiroi (Kyoto U.), A. Daikyuji (Miyazaki U.), A. Uzawa, T. Matsumura, K. Yamazaki (Chuo U.) on behalf of the MAXI team
on 2 Aug 2010; 06:23 UT
Credential Certification: Motoko Suzuki (motoko@crab.riken.jp)

Subjects: X-ray, Binary, Neutron Star, Transient, Pulsar

Referred to by ATel #: 3254, 4759, 7490

An increase of X-ray flux of the Be/X-ray binary pulsar GRO J1008-57 was observed with MAXI/GSC on 2010 August 1 at 30+-4 mCrab (4-10 keV). This is consistent with the recurrent outburst from this source with a 248-day period since the last one in November 2009 (ATel #2313). The latest light curve and the image of this source are available at the following URL: http://maxi.riken.jp/top/index.php?cid=1&jname=J1009-582 .