[vsnet-grb-info 9067] GRB 100331A: A long GRB detected by INTEGRAL
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Wed Mar 31 15:29:38 JST 2010
TITLE: GCN CIRCULAR
NUMBER: 10555
SUBJECT: GRB 100331A: A long GRB detected by INTEGRAL
DATE: 10/03/31 06:29:12 GMT
FROM: Sandro Mereghetti at IASF/CNR <sandro at iasf-milano.inaf.it>
S.Mereghetti, A. Paizis, (IASF- Milano), D.Gotz (CES-Saclay), E. Bozzo,
C. Ferrigno, M. Beck (ISDC, Versoix), and J. Borkowski (CAMK, Torun) on
behalf of the IBAS Localization Team report:
a long GRB has been detected by IBAS in IBIS/ISGRI data at 00:30:30 UT of
January 31. The refined coordinates (J200) are
RA: 261.0831 [degrees]
DEC: -58.943 [degrees]
with an uncertainty of 2.5 arcmin
The lightcurve shows a single peak lastiing about 15 s. A preliminary
analysis gives a 20-200 keV fluence of 4 10e-7 erg/cm2 and a peak flux of
0.5 ph/cm2/s (1 sec bin).
A plot of the light curve will be posted at
http://ibas.iasf-milano.inaf.it/IBAS_Results.html
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