GCN Circular 33628
Subject
GRB 230414B: AbAO optical observations
Event
Date
2023-04-15T11:15:00Z (3 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), R. Ya. Inasaridze (AbAO), A. Pozanenko (IKI), N.
Pankov (HSE, IKI), D. Datashvili (AbAO), V. R. Ayvazian (AbAO), report
on behalf of GRB IKI FuN:
We observed the field of Swift GRB 230414B (D'Ai et al., GCN 33612)
with AS-32 telescope of Abastumani observatory (AbAO) in R-filter
starting on Apr. 14 (UT) 16:46:07. We detected the afterglow (Pankov
et al., GCN 33615; Lu et al., GCN 33616; Raman et al., GCN 33618; Ghosh
et al., GCN 33620; Moskvitin et al., GCN 33622; Malesani et al., GCN
33623; Zhu et al., GCN 33625). Preliminary photometry of the object is
following
Date UT start t-T0 Filter Exp. OT Err. UL(3sigma)
(mid, days) (s)
2023-04-14 16:46:07 0.06094 R 112*60 19.73 0.05 22.3
The photometry is based on nearby USNO-B1.0 stars.