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

GCN Circular 40638

Subject
Fermi Gamma-ray Burst Monitor trigger 770867684/250606080 is not a GRB
Date
2025-06-06T04:33:56Z (a day ago)
From
oindabimukherjee@gmail.com
Via
Web form
Fermi Gamma-ray Burst Monitor trigger 770867684/250606080 is not a GRB

O. Mukherjee (USRA) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 770867684/250606080 at 01:54:39.00 UT
on 06 June 2025, tentatively classified as a GRB, is in fact not due
to a GRB. This trigger is likely due to local particles."
Looking for U.S. government information and services? Visit USA.gov