GCN Circular 36636
Subject
GRB 240529A: radio detection with AMI-LA
Date
2024-06-07T11:47:28Z (19 days ago)
From
Lauren Rhodes at Oxford <lauren.rhodes@physics.ox.ac.uk>
Via
Web form
Lauren Rhodes, Rob Fender (Oxford), Dave Green, Dave Titterington (Cambridge) report:
We observed the field of GRB 240529A (GCN 36556) with the Arcminute Microkelvin Imager - Large Array (AMI-LA) at 15.5 GHz beginning at UT 04:11:39 on 02-June-2024 for a total of 4 hours. The flux standard 3c286 was used to calibrate the bandpass response and flux scale of the AMI-LA and J2202+4216 was used as an interleaved complex gain calibrator.
We detected an unresolved radio source at the position of the afterglow candidate (also reported in GCN 36556) with a peak flux density of ~1mJy/beam. The rms noise in the field is about 40uJy/beam.
More observations are ongoing.
We thank the staff at the Mullard Radio Astronomy Observatory for carrying out these observations and operating the AMI-LA.