Fermi GBM detects likely long GRB 260803A with localization uncertainty of 6.7 degrees
AI Summary
The Fermi Gamma-ray Burst Monitor detected a likely long gamma-ray burst (GRB 260803A) on August 3, 2026, at 17:28:46 UT. The event was localized to RA = 22.1, Dec = 68.7 with a statistical uncertainty of 6.7 degrees. Follow-up observations are recommended.
Measurements
| Event ID | 807470931 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Mon, 03 Aug 2026 17:28:46 GMT |
| Right ascension (J2000) | 22.06° |
| Declination (J2000) | 68.68° |
| Position error radius | 6.72° |
| GCN notices | 5 |
| GCN circulars | 1 |
Notices (1)
Fermi GBM — GRB · Mon, 03 Aug 2026 17:28:46 GMT
GCN Circulars (1)
GCN-45279 — GRB 260803A
· Mon, 03 Aug 2026 17:39:21 GMT
The Fermi Gamma-ray Burst Monitor (GBM) detected a likely long gamma-ray burst (GRB 260803A) on August 3, 2026, at 17:28:46 UT. The event was located at RA = 22.1, Dec = 68.7 with a statistical uncertainty of 6.7 degrees, and the angle from the Fermi LAT boresight was 74.0 degrees.
AI summary generated Tue, 04 Aug 2026 19:47:29 GMT.