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GCN Circular 23743

Subject
GRB 190114B: continued optical observations in Mondy
Date
2019-01-16T17:06:37Z (5 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (IKI), A. Pozanenko (IKI),  E. Mazaeva (IKI),  E. Klunko 
(ISTP), S. Belkin (IKI) report   on behalf of IKI-GRB-FuN:

We observed the field of  the GRB  190114B (Siegel et al., GCN 23686) 
with AZT-33IK telescope of Sayan observatory (Mondy) starting on Jan. 15 
(UT) 21:06:04. The optical afterglow (e.g. Fernandez-Garcia et al., GCN 
23694;  Pozanenko et al., GCN 23696; Selsing et al., GCN 23713) is 
marginally detected in a stacked image. Preliminary photometry is following.

Date       UT start t-T0    Filter Exp.   OT    Err.
                    (mid, days) (s)

2019-01-15 21:06:04 1.08672 R      30*120 22.2 0.35

The photometry is based on nearby SDSS  stars
SDSS id             R_Lupton
J113927.36+185157.2 17.094 0.014
J113940.10+185315.3 17.015 0.015
J113939.20+185354.8 17.954 0.018
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