STARITHM
A TGF event detected by Fermi GBM with high confidence
AI Summary
The Fermi Gamma-ray Burst Monitor (GBM) detected a Terrestrial Gamma-ray Flash (TGF) on September 19, 2026, at 23:48 UTC with a probability of 100%. No further follow-up observations were reported.
Measurements
| Event ID | 811554497 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | low |
| Trigger time (UTC) | Sat, 19 Sep 2026 23:48:12 GMT |
| Right ascension (J2000) | 66° |
| Declination (J2000) | -72.1° |
| Position error radius | 34.7167° |
| GCN notices | 3 |
| GCN circulars | 0 |
Notices (1)
Fermi GBM — GRB · Sat, 19 Sep 2026 23:48:12 GMT
AI summary generated Sun, 20 Sep 2026 05:25:13 GMT.