[vsnet-grb-info 17026] GRB 150911A: Khureltogot upper limit
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Mon Sep 14 16:20:39 JST 2015
TITLE: GCN CIRCULAR
NUMBER: 18307
SUBJECT: GRB 150911A: Khureltogot upper limit
DATE: 15/09/14 07:20:31 GMT
FROM: Alexei Pozanenko at IKI <alex at 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
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