STARITHM
Fermi GBM detects likely long GRB 261024B
AI Summary
A long gamma-ray burst (GRB 261024B) was detected by the Fermi Gamma-ray Burst Monitor on October 24, 2026, at 22:27:33 UT. The initial localization provided a statistical uncertainty of 19.3 degrees, and subsequent analysis suggested a probable AGN origin with high confidence.
Measurements
| Event ID | 814573658 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Sat, 24 Oct 2026 22:27:33 GMT |
| Right ascension (J2000) | 187.29° |
| Declination (J2000) | 32.43° |
| Position error radius | 19.28° |
| GCN notices | 5 |
| GCN circulars | 1 |
Notices (1)
Fermi GBM — GRB · Sat, 24 Oct 2026 22:27:33 GMT
GCN Circulars (1)
GCN-46022 — GRB 261024B
· Sat, 24 Oct 2026 22:38:08 GMT
The Fermi Gamma-ray Burst Monitor (GBM) detected a likely long gamma-ray burst (GRB 261024B) on 24 October 2026 at 22:27:33 UT. The event was located at RA = 187.3, Dec = 32.4 (J2000) with a statistical uncertainty of 19.3 degrees, and the angle from the Fermi LAT boresight was 41.0 degrees.
AI summary generated Sun, 25 Oct 2026 00:00:32 GMT.