GCN Circular 26899
Subject
GRB 200127A: AbAO optical upper limit
Date
2020-01-27T18:59:15Z (5 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), A. Pozanenko (IKI), R. Ya. Inasaridze (AbAO ), V. R.
Ayvazian (AbAO ), G.V. Kapanadze (AbAO), E. Mazaeva (IKI), A. Volnova
(IKI), I. Molotov (KIAM) report on behalf of larger IKI GRB follow-up
collaboration:
We observed the GRB 200127A (Moss et al., GCN 26895) with AS-32 (0.7m)
telescope of Abastumani Observatory starting on Jan. 27 (UT) 15:09:06.
We obtained several 60 s exposures in R-filter. We do not detect any
source within Swift-XRT position (Moss et al., GCN 26895).
Preliminary photometry of the field is following
Date UT start t-T0 Filter Exp. OT Err. UL(3sigma)
(mid, days) (s)
2020-01-27 15:09:06 0.02922 R 35*60 n/d n/d 20.4
Photometry is based on nearby USNO-B1.0 stars (R2 magnitude):
USNO-B1.0_id R2
1349-0340354 14.16
1349-0343444 15.86