[vsnet-grb-info 22739] GRB 1906013A: Kitab and AbAO optical upper limit
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Sat Jun 15 18:41:06 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 24838
SUBJECT: GRB 1906013A: Kitab and AbAO optical upper limit
DATE: 19/06/15 09:38:38 GMT
FROM: Alexei Pozanenko at IKI, Moscow <apozanen at iki.rssi.ru>
S. Belkin (IKI), A. Novichonok (KIAM), A. Zhornichenko (KIAM), R. Ya.
Inasaridze (AbAO), V.R. Ayvazian (AbAO), A. Pozanenko (IKI), E. Mazaeva
(IKI), A. Volnova (IKI), I. Molotov (KIAM), Sh. Ehgamberdiev (UBAI) report
on behalf of larger IKI GRB FuN collaboration:
We observed the field of the GRB 190613A (Ambrosi et al., GCN 24798)
with RC-36 telescope of Kitab Observatory and AS-32 of Abastumani
observatory . We do not detect the optical afterglow (Ambrosi et al., GCN
24798; Zheng et al., GCN 24801; Lipunov et al., GCN 24803). Preliminary
photometry of the field is following.
Date UT start t-T0 Filter Exp. OT Err. UL(3sigma)
Telescope
(mid, days) (s)
2019-06-13 16:26:41 0.54575 CR 5500 n/d n/d 20.6 RC-36
2019-06-13 21:33:40 0.73706 R 1800 n/d n/d 21.0 AS-32
The photometry is based on the nearby USNO-B1 (R2) stars
USNO-B1.0_id R2
1572-0165015 13.62
1572-0164999 14.91
1572-0164916 14.28
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