Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 21490

Fermi GBM trigger 524493492/170815526 is not a GRB
2017-08-15T18:54:00Z (7 years ago)
Oliver J Roberts at USRA/NASA <>
O.J. Roberts (USRA) and A. von Kienlin (MPE) report on behalf of the
Fermi GBM Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 524493492/170815526
at 12:38:07.06 UT on 15 August 2017, tentatively classified as a GRB, is in fact 
not due to a GRB. This trigger is likely due to a flaring source within the 
galactic plane."
Looking for U.S. government information and services? Visit