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INTEGRAL observation of GRO J1655-40

ATel #422; N. Produit (ISDC), S. Shaw (ISDC), P. Jean (CESR),K. Kretschmer(MPG)
on 22 Feb 2005; 15:49 UT
Credential Certification: Nicolas Produit (Nicolas.Produit@obs.unige.ch)

Subjects: Gamma Ray, Binary, Star, Transient, Variables

Referred to by ATel #: 438

During INTEGRAL observations of the Galactic Disk, the superluminal source GRO J1655-40 was observed with the ISGRI detector. The source was detected in 5 ~2000second long pointings between 2005-02-18 and 2005-02-19 at a flux between 3 and 4 cps in the 20-50 keV band (corresponding to approx 30mCrab). This measurement confirms that of ATEL 415 and 414, which showed that the source is slowly brightening in the 2-10 keV band.