Fermi GBM detects a highly likely TGF event with no clear positional information.
AI Summary
The event, triggered at 2026-11-04T09:57:40.57Z, is classified as a Terrestrial Gamma-ray Flash (TGF) with 100% probability according to Fermi GBM. The burst intensity was measured to be 126, but the position information remains unavailable or inappropriate for further localization.
Measurements
| Event ID | 815479065 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | low |
| Trigger time (UTC) | Wed, 04 Nov 2026 09:57:40 GMT |
| Right ascension (J2000) | 88.25° |
| Declination (J2000) | -51.8° |
| Position error radius | 35.4333° |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Wed, 04 Nov 2026 09:57:40 GMT
AI summary generated Wed, 04 Nov 2026 12:00:31 GMT.