Fermi GBM detected a gamma-ray burst with unreliable localization on 2026-10-17
AI Summary
Fermi GBM triggered on a gamma-ray transient (TrigID 813922183) at 2026-10-17T09:29:38.27Z with a burst intensity of 70 and significance of 4.2-4.3 sigma over a 0.512s timescale. The event was classified as 'Unreliable_Location' with 100% confidence, indicating poor positional accuracy (36.15° error radius). The preliminary coordinates place the source at RA=114.33°, Dec=-12.4°, but the large localization uncertainty and unreliable classification flag preclude reliable follow-up observations at this time.
Measurements
| Event ID | 813922183 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | low |
| Trigger time (UTC) | Sat, 17 Oct 2026 09:29:38 GMT |
| Right ascension (J2000) | 114.3333° |
| Declination (J2000) | -12.4° |
| Position error radius | 36.15° |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Sat, 17 Oct 2026 09:29:38 GMT
AI summary generated Sat, 17 Oct 2026 11:29:36 GMT.