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MAXI/GSC detection of brightening of a transient LMXB 4U 1608-522

ATEL # 2462; Mikio Morii (Tokyo Tech)
on 3 Mar 2010; 22:09 UT
Password Certification: Mikio Morii (

Subjects: X-ray, Binaries, Neutron Stars, Transients
Referred to by ATEL #: 2464, 2467

MAXI/GSC detected an X-ray brightening of the LMXB 4U 1608-522. The source flux has increased since the beginning of March 2, and reached about 20 mCrab in the 4 - 10 keV band on 2010 March 3 (MJD 55258). By combining this result with the detection of an X-ray burst by SuperAGILE (Atel #2461), we suggest that this source has entered into an active state. The multi-wavelength follow-up observations are encouraged. The latest light curve and image of this source are shown in the following URL: The daily light curve will also be available at the following URL.

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