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GCN Circular 20175

Subject
GRB 161113A: Kuban State University optical upper limit
Date
2016-11-14T19:08:55Z (7 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
E. Mazaeva (IKI), A. Ivanov (KubSU), V. Ivanov (KubSU), V. Lysenko 
(KubSU), D. Ivanova (KubSU), A. Volnova (IKI), A. Pozanenko (IKI) report 
on behalf of larger GRB follow-up collaboration:

We observed the field of GRB 161113A (D'Avanzo, et al., GCN 20172) with 
the RC510 telescope (0.51-m f/8) of Kuban State University Astrophysical 
Observatory. We obtained several unfiltered  images   starting on Nov. 
14 (UT) 02:02:08. Within enhanced XRT position (Evans et al., GCN 20174) 
we do not detect any source. Preliminary photometry of the field is 
following

   Date       UT start   t-T0    Filter  Exp.  OT   Err. UL(3 sigma)
                        (mid, days)      (s)
2016-11-14   02:02:08   0.37062 CR      52*30 n/d  n/d  18.9

Photometry is based on nearby USNO-B1.0 stars (R2 magnitudes).
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