GCN Circular 23915
Subject
GRB 190220B: a long GRB detected by IBAS
Date
2019-02-20T22:01:11Z (5 years ago)
From
Diego Gotz at CEA <diego.gotz@cea.fr>
D.Gotz (CEA, Saclay), S.Mereghetti (INAF, IASF-Milano), C.Ferrigno,
E.Bozzo, V.Savchenko (ISDC, Versoix), L.Ducci (IAAT, Germany and ISDC,
Versoix) and J.Borkowski (CAMK, Torun) report:
a gamma ray burst lasting about 200 s with a multi-peaked structure has been detected by IBAS in the
IBIS/ISGRI data at 20:12:43 UT of February 20, 2019.
The refined coordinates (J2000) are:
R.A.= 242.4512 deg
DEC.= -21.1314 deg
with an uncertainty of 2.0 arcmin (90% c.l.).
The burst had a peak flux of 0.2 counts/cm2/s (20-200 keV, 1-s integration time) and a fluence in the same energy range of about 3.6e-6
erg/cmsq.
A plot of the light curve will be posted at
http://ibas.iasf-milano.inaf.it/IBAS_Results.html