GCN Circular 30243
Subject
GRB 210610B: AbAO optical observations
Event
Date
2021-06-16T21:40:26Z (4 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
N. Pankov (HSE, IKI), A. Pozanenko (IKI), R. Ya. Inasaridze (AbAO), S.
Belkin (IKI), V. R. Ayvazian (AbAO), G. V. Kapanadze (AbAO) report on
behalf of IKI GRB FuN:
We observed the GRB 210610B (Page et al., GCN 30170) with AS-32
telescope of Abastumani observatory (AbAO) in R-filter on June, 13. The
optical afterglow first reported by UVOT (Page et al., GCN 30170) is
clearly detected is detected in stacked image. Preliminary photometry of
the afterglow is following
Date UT start t-T0 Filter Exp. OT Err. UL(3sigma)
(mid, days) (s)
2021-06-13 17:06:46 2.88564 R 72*60 21.25 0.14 22.6
The photometry is based on calibrations stars reported in (Pankov et
al., GCN 30213).