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V0332+53: Renewed activity detected by MAXI/GSC

ATEL # 2369; S. Nakahira, K. Yamaoka, A. Yoshida (Aoyama Gakuin U.), M. Sugizaki, T. Mihara, M. Kohama, Y.E. Nakagawa, T. Yamamoto (RIKEN), M. Matsuoka, K. Kawasaki, S. Ueno, H. Tomida, M. Suzuki, M. Ishikawa (JAXA), H. Negoro, M. Nakajima, R. Ishiwata, S. Miyoshi, H. Ozawa (Nihon U.), N. Kawai, M. Morii, K. Sugimori (Tokyo Tech.), H. Tsunemi, M. Kimura (Osaka U.), Y. Ueda, N. Isobe, S. Eguchi, K. Hiroi (Kyoto U.), A. Daikyuji (Miyazaki U.), on behalf of the MAXI team
on 5 Jan 2010; 13:20 UT
Password Certification: Kazutaka Yamaoka (yamaoka@phys.aoyama.ac.jp)

Subjects: X-ray, Binaries, Neutron Stars, Pulsars, Transients

MAXI/GSC has detected an X-ray activity from the Be/X-ray pulsar V0332+53, starting with one-day averaged 4-10 keV X-ray flux of 25 mcrab on 31 December, 2009 (MJD 55196). It reached 39 mcrab on 3 January, 2010 (MJD 55199). We also detected the previous outburst of one orbit (34.25 days) before on late November 2009, reported by Krimm et al. (ATel #2319), and the current flux is comparable to those intensities.

The MAXI light curve and image of this source are updated daily at the following URL: http://maxi.riken.jp/sourcelist.html


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R. E. Rutledge , Editor
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