Fermi GBM detects GRB 260210B with preliminary localization.

AI Summary

A long-duration gamma-ray burst (GRB 260210B) was detected by Fermi GBM, localized to RA = 6.0, Dec = -48.3 with a 10.3-degree uncertainty. Follow-up observations are ongoing.

Measurements

Event IDGBM_792440051
SourceFermi GBM
Alert typeGRB
Significancehigh
Trigger time (UTC)Tue, 10 Feb 2026 18:14:06 GMT
Right ascension (J2000)352.5°
Declination (J2000)-52.9667°
Position error radius21.85°
GCN notices2
GCN circulars1

Notices (1)

Fermi GBM — GRB · Tue, 10 Feb 2026 18:14:06 GMT

GCN Circulars (1)

GCN-43688 — GRB 260210B · Tue, 10 Feb 2026 18:24:59 GMT
The Fermi Gamma-ray Burst Monitor (GBM) has detected and localized a gamma-ray burst (GRB 260210B) at a preliminary position RA = 6.0, Dec = -48.3, with a statistical uncertainty of 10.3 degrees. The angle from the Fermi Large Area Telescope (LAT) boresight is 22.0 degrees. This event is significant as gamma-ray bursts are among the most powerful explosions in the universe and provide valuable insights into the nature of the most extreme phenomena in the cosmos.

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AI summary generated Sat, 14 Mar 2026 09:02:14 GMT.