TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2525 SUBJECT: GRB 040223: a long GRB detected with INTEGRAL DATE: 04/02/23 14:39:59 GMT FROM: Diego Gotz at IASF-CNR D. Gotz, S. Mereghetti, M. Beck, J. Borkowski on behalf of the IBAS Localization Team, S. Shaw and N. Mowlavi on behlaf of the INTEGRAL Science Data Centre and the INTEGRAL Science Working Team report: A long GRB has been detected with the INTEGRAL Burst Alert System (IBAS) at 2004-02-23T13:28:10 UTC. The GRB has been detected with IBIS/ISGRI in the 15-200 keV band. The refined coordinates (J2000) are: R.A. 16h 39m 34s Dec. -41deg 55' 46'' with an uncertainty of 2.5 arcmin. Further analysis is on-going and will be communicated through GCNs. This message can be cited.