TITLE: GCN CIRCULAR NUMBER: 16004 SUBJECT: GRB 140320B: A long GRB detected by INTEGRAL DATE: 14/03/20 10:20:11 GMT FROM: Sandro Mereghetti at IASF/CNR S.Mereghetti (IASF-Milano), D.Gotz (CEA, Saclay), C.Ferrigno, E.Bozzo, E.Filippova (ISDC, Versoix), and J.Borkowski (CAMK, Torun) on behalf of the IBAS Localization Team report: a gamma ray burst lasting about 100 s has been detected by IBAS in the IBIS/ISGRI data at 09:26:00 UT of March 20. The refined coordinates (J2000) are: R.A.= 145.5409 deg DEC.= +60.2794 deg with an uncertainty of 2 arcmin (90% c.l.). A preliminary analysis gives 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 5e-7 erg/cmq. A plot of the light curve will be posted at http://ibas.iasf-milano.inaf.it/IBAS_Results.html