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 26152

Fermi GBM triggers 594523229/191104056 and 594528816/191104120 are not GRBs
2019-11-04T03:43:48Z (5 years ago)
Stephen Lesage at Fermi-GBM Team <>
S.Lesage (UAH)
reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

���The Fermi Gamma-ray Burst Monitor (GBM) triggers 594523229/191104056
at 01:20:24.06 UT and 594528816/191104120 at 02:53:31.39 on 04 November
2019, tentatively classified as a GRBs, are in fact not due to GRBs.
These triggers are most likely due to an SGR."
Looking for U.S. government information and services? Visit