TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  3552
SUBJECT: GRB 050626 - a long GRB detected with INTEGRAL
DATE:    05/06/26 04:42:47 GMT
FROM:    Diego Gotz at IASF-CNR  <diego@mi.iasf.cnr.it>

D. Gotz, S. Mereghetti (IASF, Milano), N. Mowlavi, S. Shaw, M. Beck, A. 
Neronov (ISDC, Versoix), J. Borkowski (CAMK, Torun) on behalf of the IBAS 
Localization Team report

A 60 s long GRB has been detected in IBIS/ISGRI data by IBAS (Alert 
Number 2587) at 03:45:16 UT. Its coordinates (J2000) are

RA: 186.7445 
DEC: -63.1342

with an uncertainty of 2 arcmin (90% c.l.).

The preliminary peak flux is 0.4 ph (3E-8 erg) cmsq/s, while the fluence 
is 8.7E-7 erg/cmsq. Both values refer to the 20-200 keV band.

A preliminary spectral analysis shows that this event is X-ray rich.

A light curve will be posted at 

http://ibas.mi.iasf.cnr.it/IBAS_Results.html

This message can be cited.

[GCN OPS NOTE(26jun05): Per author's request, 050625 was changed to 050626.]