GCN Circular 24841
Subject
GRB 190613B: Kitab observatory optical upper limit
Date
2019-06-16T14:10:05Z (6 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), A. Novichonok (KIAM), A. Zhornichenko (KIAM), A. Pozanenko
(IKI), E. Mazaeva (IKI), A. Volnova (IKI), I. Molotov (KIAM), Sh.
Ehgamberdiev (UBAI) report on behalf of larger GRB IKI FuN collaboration:
We observed the field of the GRB 190613B (D'Aiet al., GCN 24807) with
RC-36 0.36-m telescope of Kitab Observatory starting on June 13 (UT)
22:26:32 in Clear filter. We do not detect the optical afterglow
(D'Aiet al., GCN 24807; Marshall al., GCN 24817; Zheng al., GCN 24818;
Ugarte Postigo al., GCN 24825; Hu al., GCN 24826).
Preliminary photometry of the field is following.
Date UT start t-T0 Filter Exp. OT Err. UL(3sigma)
(mid, days) (s)
2019-06-13 20:55:3 0.43001 CR 3600 n/d n/d 20.0
The photometry is based on the nearby USNO-B1 (R2) stars.
USNO-B1.0_id R2
0853-0556521 16.14
0853-0556781 16.31