GCN Circular 22387
Subject
GRB 180205A: Mondy optical observations
Date
2018-02-05T19:19:37Z (7 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (IKI), A. Pozanenko (IKI), E. Klunko (ISTP), E. Mazaeva
(IKI) report on behalf of of larger GRB follow-up collaboration:
We observed the field of GRB 180205A (Evans et al., GCN 22381) with
AZT-33IK telescope of Sayan observatory (Mondy). We took several images
in R-filter starting on Feb. 05 (UT) 12:54:29. The afterglow of GRB
180205A (Evans et al., GCN 22381; Zheng et al., GCN 22382; Bolmer et
al., GCN 22383) is clearly detected in a stacked image. Preliminary
photometry is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2018-02-05 12:54:29 0.372* R 30*120 19.47 0.07 21.8
* The time after XRT observation start at (UT) 04:28:23.69.
The photometry is based on several nearby SDSS DR9 stars
SDSS_id R_Lupton
J082719.98+113324.0 16.206 0.013
J082717.26+113400.0 16.092 0.013
J082715.06+113230.6 15.553 0.013