Fermi GBM detects short gamma-ray burst trigger 813175183 with marginal significance
AI Summary
Fermi GBM triggered on a brief gamma-ray transient on 2026-10-08 at 17:59:38.44 UTC with a duration of 16 ms and a trigger significance of 4.5 sigma. The burst was detected across energy channels 5-7 (291 keV to infinity), with the trigger generated onboard the spacecraft. No precise localization coordinates are available (RA/Dec reported as 0/0), and no follow-up observations or GCN circulars have been issued for this event.
Measurements
| Event ID | 813175183 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | medium |
| Trigger time (UTC) | Thu, 08 Oct 2026 17:59:38 GMT |
| Right ascension (J2000) | 0° |
| Declination (J2000) | 0° |
| Position error radius | 0° |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Thu, 08 Oct 2026 17:59:38 GMT
AI summary generated Thu, 08 Oct 2026 20:31:30 GMT.