EventsCirculars
← GRB 260313A circularsAbout

GCN 44047: Fermi Gamma-ray Burst Monitor trigger 795096033/260312500 (GRB 260313A) is unlikely to be a GRB

2026-03-18T15:31:39.425Z | rev 0 | event: GRB 260313A
O.J. Roberts (Uni. of Galway, Ireland) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger GRB 260313A (trigger 795096033/260312500) 
at 12:00:28.58 UT on 13 March 2026, tentatively classified as a GRB (GCN 43995, GCN 43987), is in 
fact unlikely to be a GRB. The nature of this trigger is uncertain."