TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2506 SUBJECT: GRB 040106 : peak flux DATE: 04/01/06 19:59:11 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: Preliminary analysis of GRB 040106 gives a peak flux of about 0.6 photons/cm^2/s (6.5 x 10^-8 erg/cm^2/s) in the 20-200 keV range (integration time of 1 s). This message can be cited.