GCN Circular 25683
Subject
ZTF19abvizsw: AbAO and CrAO photometry
Event
Date
2019-09-07T14:05:41Z (7 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), A. Pozanenko (IKI), R. Ya. Inasaridze (AbAO), V.
Rumyantsev (CrAO), A. Volnova (IKI), E. Mazaeva (IKI), I. Molotov
(KIAM) report on behalf of IKI GRB FuN collaboration:
We observed the ZTF19abvizsw/AT2019pim (Kool et al., GCN 25616; Burdge
et al., GCN 25639; Wei et al., GCN 15640; Perley et al., GCN 25643;
Levan et al., GCN 25653; Becerra et al., GCN 25655;) with AS-32 (0.7m)
telescope of Abastumani Observatory and ZTSh telescope of CrAO.
Preliminary photometry of the the optical transients is following.
date UT start MJD Filter Exp. OT OT_err Obs./Tel.
(mid, d) (s)
2019-09-04 16:54:07 58730.723 R 54*60 21.27 0.16 AbAO/AS-32
2019-09-05 21:49:03 58731.923 R 20*120 21.33 0.14 CrAO/ZTSh
The photometry of the latest epoch of 2019-09-05 might be slightly
contaminated by red southward star (see also Burdge et al., GCN 25639).
We note the flattening of the initial decay previously reported by
Becerra (GCN 25655).
The photometry is based on nearby USNO-B1.0 stars
USNO-B1.0_id R2
1514-0239703 18.81
1514-0239806 19.68