MAXI/GSC detection a possible flare from the Algol

ATel #3809; H. Negoro (Nihon U.), K. Yamazaki, Y. Tsuboi, T. Matsumura (Chuo U.), M. Sugizaki, M. Serino, S. Nakahira, T. Yamamoto, T. Sootome, T. Mihara, M. Matsuoka (RIKEN), S. Ueno, H. Tomida, M. Kohama, M. Ishikawa (JAXA), N. Kawai, M. Morii, K. Sugimori, R. Usui, T. Toizumi, Y. Aoki, S. Song (Tokyo Tech), A. Yoshida, K. Yamaoka (AGU), H. Tsunemi, M. Kimura, H. Kitayama (Osaka U.), M. Nakajima, F. Suwa, M. Asada, H. Sakakibara (Nihon U.), M. Shidatsu, Y. Ueda, K. Hiroi (Kyoto U.), M. Yamauchi, Y. Nishimura, T. Hanayama (Miyazaki U.) report on behalf of the MAXI team
on 16 Dec 2011; 09:43 UT
Credential Certification: Yohko Tsuboi (tsuboi@phys.chuo-u.ac.jp)

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MAXI/GSC detected a very short flare from the position consistent with the Algol. The significant X-ray flux in the 2-10 keV band had been detected at 2011-12-16 04:25 (UT) (= MJD 55911.184) and the activity continued only about 10 sec. The maximum X-ray flux and the luminosity are about 100 mCrab and 2×10³² ergs/s (distance is assumed to be 28.5 pc), respectively. MAXI/GSC previously detected a flare from this source on 2010-12-31 with almost the same flux but with the longer duration time of about 10 ksec.

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