STARITHM
Fermi GBM detected a gamma-ray burst with unreliable localization on 2026-10-09
AI Summary
Fermi GBM triggered on a gamma-ray transient (TrigID 813198160) at 2026-10-09T00:22:35.93Z with a significance of 4.2-sigma and duration of 0.256 seconds. The event was classified as 'Unreliable_Location' with 100% confidence, indicating poor positional accuracy (error radius ~31.7°). The burst intensity was 151 counts with energy range 47-291 keV. No ground-generated position or follow-up observations are available due to the unreliable localization.
Measurements
| Event ID | 813198160 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | low |
| Trigger time (UTC) | Fri, 09 Oct 2026 00:22:35 GMT |
| Right ascension (J2000) | 109.4833° |
| Declination (J2000) | 40.7° |
| Position error radius | 31.7333° |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Fri, 09 Oct 2026 00:22:35 GMT
AI summary generated Fri, 09 Oct 2026 02:32:35 GMT.