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GCN Circular 43642

Subject
GRB 260208A: Fermi GBM Classification Correction
Date
2026-02-08T14:07:05Z (3 days ago)
From
Rushikesh Sonawane at IISER, TVM <rushikesh23@iisertvm.ac.in>
Via
Web form
R. Sonawane (IISER, TVM), O.J. Roberts (Uni. of Galway, Ireland), and R. Hamburg (USRA) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 792220053/260208214 at 05:07:28.24 UT
on 08 February 2026, is in fact a GRB. The GBM localization for this GRB is valid (GCN 43635). 
The GRB was confirmed with an optical afterglow detection by MASTER (GCN 43640). 
This trigger was misclassified as a particle trigger (GCN 43636)."
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