TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2460 SUBJECT: GRB 031203: further analysis of INTEGRAL data DATE: 03/12/04 00:09:42 GMT FROM: Diego Gotz at IASF-CNR S. Mereghetti and D. Gotz on behalf of the IBAS Localization Team and the INTEGRAL Science Working Team report: Preliminary analysis of GRB 031203 gives a peak flux of about 1.2 photons/cm^2/s (1.3 x 10^-7 erg/cm^2/s) in the 20-200 keV range (integration time of 1 s). The burst consists of a single peak lasting about 30 s. This message can be cited.