GCN Circular 2858
S.Mereghetti, D. Gotz, (IASF, Milano), S.Shaw, M. Beck, A. Paizis (ISDC, Versoix), J.Borkowski (CAMK, Torun) on behalf of the IBAS Localization Team report: A 60 s long GRB has been detected with the INTEGRAL Burst Alert System (IBAS) on December 18 at 15:45:25 UT. The GRB has been detected with IBIS/ISGRI in the 15-200 keV band (IBAS Alert # 2072). Its coordinates (J2000) are: R.A.: 24.7731 [degrees], DEC.: 71.3346 [degrees] with an uncertainty of 2.5 arcmin (90% c.l. radius) The preliminary peak flux in the 20-200 keV range is about 3 photons/cmsq/s (1.6E-7 erg/cmsq/s) (1 s integration time). This message can be cited.