XTE J1550-564: renewed activity According to IAUC 8100, the INTEGRAL satellite detected a new outburst of the black hole binary and microquasar, XTE J1550-564. The object was 150mCrab in the 15-40 keV band and 250mCrab in the 40-100 keV band on March 24.2-25.1. X-ray outbursts of this object have been accompanied by optical, infrared, and radio outbursts. So, multi-wavelength observations are encouraged. Regards, Makoto Uemura
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