Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 15043

Fermi Gamma-ray Burst Monitor trigger 396484884 / 130725945 is not a GRB
2013-07-26T16:35:52Z (11 years ago)
George A. Younes at USRA/NASA/MSFC <>
George A. Younes (USRA/MSFC) reports on behalf of the Fermi GBM Team:

"The Fermi Gamma-ray Burst Monitor (GBM) 396484884 / 130725945 at
22:41:21.34  UT  on 25 July 2013, tentatively classified as a GRB, is in fact
not due  to a GRB. This trigger is due to a Solar Flare."
Looking for U.S. government information and services? Visit