GCN Circular 18307
Subject
GRB 150911A: Khureltogot upper limit
Date
2015-09-14T07:20:31Z (9 years ago)
From
Alexei Pozanenko at IKI <alex@grb.rssi.ru>
E. Mazaeva (IKI), S. Schmalz (AIP), N. Tungalag (Research Center of Astronomy and Geophysics MAS), A. Volnova (IKI), I.Molotov (KIAM), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration:
We observed the field of GRB 150911A (Starling et al., GCN 18280) with ORI-40 telescope of Khureltogot observatory starting on Sep., 11 (UT) 19:03:00, i.e. ~23 minutes after the burst trigger. We do not detect any object within enhanced XRT error circle (Goad et al., GCN 18283). Photometry of the field is following
Date UT start t-T0 Filter Exp. Upper_Limit (3sigma)
(mid, days) (s)
2015-09-11 19:03:00 0.0351 none 45*60 20.9
Photometry is base on nearby USNO-B.1 stars
USNO-B.1_id R2
0957-0043966 15.54
0957-0043954 16.24
0957-0043961 16.45