Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 23462

GRB 181126A: No Ks-band afterglow detection with Keck I
2018-11-27T01:41:58Z (6 years ago)
Kishalay De at Caltech, GROWTH <>
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.
Looking for U.S. government information and services? Visit