STARITHM
Fermi GBM detects a likely TGF event at high significance.
AI Summary
The Fermi Gamma-ray Burst Monitor (GBM) triggered an alert for an event classified as a Terrestrial Gamma-ray Flash (TGF) with 100% probability. Key measurements include a burst intensity of 1205 and a significance of 5.3. No additional follow-up observations have been reported.
Measurements
| Event ID | 814914328 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | low |
| Trigger time (UTC) | Wed, 28 Oct 2026 21:05:23 GMT |
| Right ascension (J2000) | 67.4667° |
| Declination (J2000) | -27.4667° |
| Position error radius | 20.8667° |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Wed, 28 Oct 2026 21:05:23 GMT
AI summary generated Thu, 29 Oct 2026 00:00:34 GMT.