Skip to main content
New! Browse Circulars by Event, Advanced Search, Sample Codes, Schema Release. See news and announcements

GCN Circular 40878

Subject
Fermi Gamma-ray Burst Monitor trigger 772838080/250628885 is not a GRB
Date
2025-07-01T19:38:23Z (3 days ago)
From
Vidushi Sharma at NASA GSFC/UMBC <vidushi.sharma@nasa.gov>
Via
Web form
V. Sharma (NASA-GSFC/UMBC) reports on behalf of the Fermi GBM Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 772838080/250628885
at 21:14:35.07 UT on 28 June 2025, tentatively classified as a GRB,
is in fact not due to a GRB. This trigger is likely due to a SGR."
Questions or comments?
Contact GCN directly.
Have you found a bug in GCN?
Open an issue.
Want to contribute code to GCN?
Get involved on GitHub.

gcn.nasa.gov

A service of the Astrophysics Science Division at NASA Goddard Space Flight Center

Looking for U.S. government information and services? Visit USA.gov