TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2526 SUBJECT: GRB 040223: further offline analysis DATE: 04/02/23 15:59:13 GMT FROM: Diego Gotz at IASF-CNR D. Gotz and S. Mereghetti on behalf of the IBAS Localization Team and the INTEGRAL Science Working Team report: The preliminary peak flux of GRB 040223 in the 20-200 keV range is about 0.4 photons/cmsq/s (3 x 10^-8 erg/cmsq/s) (1 s integration time). Offline analysis shows besides a main peak lasting about 35 s two fainter peaks 100 and 180 seconds earlier respectively. This messages can be cited.