Fermi GBM detects a gamma-ray burst (GRB260211.89) with follow-up observations ongoing
Event ID: GBM_792537871
Significance: high
Notices: 4
Circulars: 1
Generated: Mon, 29 Jun 2026 18:44:13 GMT
AI Summary
The Fermi Gamma-Ray Burst Monitor (GBM) detected a gamma-ray burst (GRB260211.89) on February 11, 2026, with initial localization uncertainties. Follow-up observations by the MASTER-Kislovodsk robotic telescope have provided upper limits on the optical counterpart's magnitude.