STARITHM
GRB 261025A detected with initial misclassification by Fermi GBM
AI Summary
The Fermi Gamma-ray Burst Monitor initially misclassified GRB 261025A as particles but later confirmed it as a likely long GRB. It was localized at RA = 297.81, Dec = 67.39 with a 5.35-degree uncertainty.
Measurements
| Event ID | 814600806 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Sun, 25 Oct 2026 06:00:01 GMT |
| Right ascension (J2000) | 284.1333° |
| Declination (J2000) | 60.3667° |
| Position error radius | 18.1167° |
| GCN notices | 3 |
| GCN circulars | 1 |
Notices (1)
Fermi GBM — GRB · Sun, 25 Oct 2026 06:00:01 GMT
GCN Circulars (1)
GCN-46024 — GRB 261025A
· Sun, 25 Oct 2026 11:34:37 GMT
On 25 October 2026, the Fermi Gamma-ray Burst Monitor (GBM) detected a likely long gamma-ray burst (GRB 261025A) at coordinates RA = 297.81, Dec = 67.39 (J2000) with a statistical uncertainty of 5.35 degrees. The event was initially misclassified but confirmed as a GRB, and detailed data including skymaps and light curves are available for further analysis.
AI summary generated Thu, 29 Oct 2026 11:33:54 GMT.