STARITHM
Fermi GBM detects a high significance gamma-ray burst likely to be a Terrestrial Gamma-ray Flash (TGF)
AI Summary
The Fermi Gamma-ray Burst Monitor (GBM) detected an event at UTC time 2026-10-22T12:19:44.06Z with a most likely classification of TGF based on algorithm processing. The burst had a significant intensity of 480 and a detection probability of 100%. No additional follow-up circulars were provided.
Measurements
| Event ID | 814364389 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | medium |
| Trigger time (UTC) | Thu, 22 Oct 2026 12:19:44 GMT |
| Right ascension (J2000) | 56.0333° |
| Declination (J2000) | -51.7667° |
| Position error radius | 29.6° |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Thu, 22 Oct 2026 12:19:44 GMT
AI summary generated Thu, 22 Oct 2026 18:00:39 GMT.