GRB 261007A detected by SVOM with optical counterpart observed by KAIT

AI Summary

The gamma-ray burst GRB 261007A was detected by SVOM's ECLAIRs instrument with a high signal-to-noise ratio, followed by an optical counterpart identified by KAIT showing a decay in brightness.

Measurements

Notices (1)

SVOM — GRB · Wed, 07 Oct 2026 05:39:49 GMT

GCN Circulars (2)

GCN-45825 — GRB 261007A · Wed, 07 Oct 2026 06:47:42 GMT
The Katzman Automatic Imaging Telescope (KAIT) detected an optical counterpart candidate for the gamma-ray burst GRB 261007A, located at RA 00:46:27.4, Dec -17:41:32.0 (J2000). The candidate showed a decay in brightness from 15.1 mag to 17.2 mag over approximately 23 minutes, suggesting it is the optical counterpart of the burst.

GCN-45824 — GRB 261007A · Wed, 07 Oct 2026 06:31:05 GMT
The SVOM mission detected a gamma-ray burst, GRB 261007A, on October 7, 2026, at 05:42:03 UTC. The burst was localized to R.A. 0h46m18.89s, Dec. -17d40m11.38s with a 90% confidence level radius of 9.61 arcmin, and was detected by the Image Trigger (IMT) with a signal-to-noise ratio of 8.19 in the 5-20 keV energy band over 327.68 seconds.