STARITHM
Fermi GBM detects likely short GRB 260907A with localization uncertainty of 8.4 degrees
AI Summary
The Fermi Gamma-ray Burst Monitor (GBM) detected a short gamma-ray burst (GRB 260907A) on September 7, 2026, at 00:28:01 UTC, localized to RA = 22.4, Dec = -39.0 (J2000) with an uncertainty of 8.4 degrees. Follow-up observations by the MASTER-OAFA robotic telescope in Argentina set upper magnitude limits of up to 20.5 within the error box.
Measurements
| Event ID | 810433686 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Mon, 07 Sep 2026 00:28:01 GMT |
| Right ascension (J2000) | 22.37° |
| Declination (J2000) | -39.04° |
| Position error radius | 8.44° |
| GCN notices | 4 |
| GCN circulars | 2 |
Notices (1)
Fermi GBM — GRB · Mon, 07 Sep 2026 00:28:01 GMT
GCN Circulars (2)
GCN-45524 — GRB 260907A
· Mon, 07 Sep 2026 04:31:48 GMT
The MASTER-OAFA robotic telescope in Argentina began observing the Fermi GRB 260907A error box approximately 11,328 seconds after the notice time, with upper magnitude limits up to 20.5. The observations were conducted in a clear (unfiltered) band, and the data is available for further analysis and reduction.
GCN-45523 — GRB 260907A
· Mon, 07 Sep 2026 00:38:36 GMT
The Fermi Gamma-ray Burst Monitor (GBM) detected a likely short gamma-ray burst (GRB 260907A) on September 7, 2026, at 00:28:01 UT. The event was located at RA = 22.4, Dec = -39.0 (J2000) with a statistical uncertainty of 8.4 degrees.
AI summary generated Tue, 08 Sep 2026 09:21:37 GMT.