Fermi GBM detects and locates Long GRB 260302A with high significance
AI Summary
The Fermi Gamma-ray Burst Monitor detected a long gamma-ray burst (GRB 260302A) on March 2, 2026, at 14:19:40 UT. The burst was localized to RA = 239.3, Dec = -61.8 with a statistical uncertainty of 2.7 degrees, and the GBM team provided a detailed skymap and light curve for further analysis.
Measurements
| Event ID | GBM_794153985 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Mon, 02 Mar 2026 14:19:40 GMT |
| Right ascension (J2000) | 238.7333° |
| Declination (J2000) | -61.6333° |
| Position error radius | 11.25° |
| GCN notices | 6 |
| GCN circulars | 1 |
Notices (1)
Fermi GBM — GRB · Mon, 02 Mar 2026 14:19:40 GMT
GCN Circulars (1)
GCN-43895 — GRB 260302A
· Mon, 02 Mar 2026 14:30:12 GMT
The Fermi Gamma-ray Burst Monitor (GBM) has detected and located a long gamma-ray burst (GRB 260302A) at RA = 239.3, Dec = -61.8 (J2000 degrees) with a statistical uncertainty of 2.7 degrees. The angle from the Fermi Large Area Telescope (LAT) boresight is 20.0 degrees. This significant astronomical event occurred at 14:19:40 UT on March 2, 2026.
AI summary generated Tue, 17 Mar 2026 16:24:15 GMT.