[vsnet-grb-info 7135] VLA radio upper limit on GRB 081222

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  8716
SUBJECT: VLA radio upper limit on GRB 081222
DATE:    08/12/23 16:34:08 GMT
FROM:    Poonam Chandra at U Virginia/NRAO  <pc8s at virginia.edu>

Poonam Chandra (RMC) and Dale A. Frail (NRAO) report on
behalf of the Caltech-NRAO-Carnegie GRB Collaboration:

"We used the Very Large Array to observe the field of view toward
optically bright GRB 081222 (GCN 8691) at a frequency of 8.46 GHz
on 2008 Dec 23.17 UT. The GRB radio afterglow is undetected and
the peak radio flux at the REM optical afterglow position (GCN 8692)
is 54 ± 53 uJy.

The National Radio Astronomy Observatory is a facility of the National
Science Foundation operated under cooperative agreement by Associated
Universities, Inc."