Fermi GBM detects a high-intensity gamma-ray burst likely classified as a Terrestrial Gamma-ray Flash (TGF)
AI Summary
The event, detected on August 3, 2026, at 12:18:57 UTC, has a high intensity and is confidently classified as a TGF with 100% probability according to Fermi GBM. No additional follow-up observations have been reported.
Measurements
| Event ID | 807452342 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | medium |
| Trigger time (UTC) | Mon, 03 Aug 2026 12:18:57 GMT |
| Right ascension (J2000) | 296.0333° |
| Declination (J2000) | 63.65° |
| Position error radius | 34.8167° |
| GCN notices | 3 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Mon, 03 Aug 2026 12:18:57 GMT
AI summary generated Thu, 06 Aug 2026 17:06:59 GMT.