STARITHM
Fermi GBM detected a gamma-ray burst with unreliable localization on 2026-10-13
AI Summary
Fermi GBM triggered on a gamma-ray transient (TrigID 813590743) at 2026-10-13T13:25:38.94Z with a 4.6-sigma detection significance over a 4.096-second timescale. The event is classified as 'Unreliable_Location' with 100% confidence, indicating poor positional accuracy (42.18° error radius). The burst was detected in the 47-291 keV energy range with delayed transmission flags, suggesting a marginal or problematic detection. No follow-up observations or GCN circulars have been issued for this event.
Measurements
| Event ID | 813590743 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | low |
| Trigger time (UTC) | Tue, 13 Oct 2026 13:25:38 GMT |
| Right ascension (J2000) | 252.95° |
| Declination (J2000) | 27.2833° |
| Position error radius | 42.1833° |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Tue, 13 Oct 2026 13:25:38 GMT
AI summary generated Tue, 13 Oct 2026 16:47:19 GMT.