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GCN Circular 9815

GRB 090817: a long GRB localized by INTEGRAL
2009-08-17T02:53:44Z (15 years ago)
Volker Beckmann at ISDC <>
V.Beckmann (ISDC, Versoix), D.Gotz (CEA-Saclay), S.Mereghetti,
A.Paizis (IASF-Milano), A. Neronov, M. Beck (ISDC, Versoix), and J.
Borkowski (CAMK, Torun) on behalf of the IBAS Localization Team report:

A long GRB with duration of about 250 s has been detected by IBAS in
IBIS/ISGRI data at 00:51:33 UT on August 17th.

The refined coordinates (J2000) are:

   RA:   63.9659 [degrees]
   DEC: +44.1234 [degrees]

with an uncertainty of 2.6 arcmin (90% c.l.).

The light curve shows two prominent peaks at T0 and at T0+196s. A plot  
of the light curve will be posted at

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