GCN Circular 45953
Subject
GRB 261010A: ASKAP non-detection of a radio afterglow
Event
Date
2026-10-16T02:10:54Z (9 hours ago)
From
Dougal Dobie at University of Sydney <ddobie94@gmail.com>
Via
Web form
D. Dobie (University of Sydney/OzGrav) and J. Freeburn (UNC Chapel Hill)
We report follow-up of GRB 261010A using the Australian SKA Pathfinder (ASKAP) from 04:40-10:19 UTC on 2026-10-14.
No radio emission is detected at the position of the optical counterpart (GCN 45890, GCN 45891) with a 3-sigma upper limit of 135 uJy at 943 MHz.
The observational data is publicly available on the CSIRO ASKAP Science Data Archive under SBID 89348.
Thank you to CSIRO staff for supporting these observations.