STARITHM
Short gamma-ray burst GRB 260502A detected by multiple observatories.
AI Summary
Fermi GBM initially detected GRB 260502A with a T90 of approximately 0.61 seconds, later localized to RA = 283.76, Dec = 57.62 with a statistical uncertainty of 13.77 degrees. Follow-up observations from SVOM/GRM and GECAM-B confirmed the short GRB with similar durations.
Measurements
| Event ID | 799390865 |
|---|---|
| Source | Fermi GBM |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Sat, 02 May 2026 05:01:00 GMT |
| Right ascension (J2000) | 21.0667° |
| Declination (J2000) | -81.2333° |
| Position error radius | 50° |
| GCN notices | 2 |
| GCN circulars | 3 |
Notices (1)
Fermi GBM — GRB · Sat, 02 May 2026 05:01:00 GMT
GCN Circulars (3)
GCN-44466 — GRB 260502A
· Tue, 05 May 2026 03:09:45 GMT
The SVOM team reports the observation of a short gamma-ray burst (GRB 260502A) using the SVOM/GRM instrument. The burst is located at about 82 degrees from the SVOM optical axis, outside the ECLAIRs field of view.
GCN-44449 — GRB 260502A
· Sun, 03 May 2026 15:58:17 GMT
GECAM-B detected a short burst GRB 260502A at UTC time 2026-05-02T05:01:00.300, with a duration (T90) of 0.40 +0.14/-0.08 seconds in 70-6000 keV energy range.
GCN-44447 — GRB 260502A
· Sun, 03 May 2026 05:20:13 GMT
The Fermi Gamma-ray Burst Monitor (GBM) detected a short gamma-ray burst (GRB 260502A) at RA = 283.76, Dec = 57.62, with a statistical uncertainty of 13.77 degrees and an angle from the Fermi LAT boresight of 23 degrees.
AI summary generated Wed, 04 Nov 2026 13:02:09 GMT.