[vsnet-grb-info 21363] GRB 181126A: No Ks-band afterglow detection with Keck I

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  23462
SUBJECT: GRB 181126A: No Ks-band afterglow detection with Keck I
DATE:    18/11/27 01:41:58 GMT
FROM:    Kishalay De at Caltech, GROWTH  <kde at astro.caltech.edu>

K. De (Caltech) reports on behalf of a larger collaboration

At 2018-11-26 14:13 UT, 4.32 hours after GRB 181126A (GCN 23453), we observed the location of the XRT counterpart (GCN 23455) with the MOSFIRE instrument on the Keck I telescope. With a total exposure time of 416 seconds, no afterglow is detected to a 3-sigma Ks-band limit of 23.6 AB mag.