[vsnet-grb-info 21647] GRB 190114C: continued CHILESCOPE optical obs
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Thu Jan 17 21:40:59 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 23746
SUBJECT: GRB 190114C: continued CHILESCOPE optical obs
DATE: 19/01/17 12:39:39 GMT
FROM: Elena Mazaeva at IKI, Moscow <30.v at mail.ru>
E. Mazaeva (IKI), A. Pozanenko (IKI), A. Volnova (IKI), S. Belkin (IKI), M. Krugov (FAPHI) report on behalf of IKI-GRB-FuN:
We observed the field of GRB 190114C (Gropp et al., GCN 23688) with RC-1000 telescope of CHILESCOPE observatory. Observations started on Jan. 17 (UT) 01:19:05 in r'-filter. We detected optical afterglow (Tyurina et al., GCN 23690; de Ugarte Postigo et al., GCN 23692; Lipunov et al. GCN 23693; Selsing et al. GCN 23695; Izzo et al. GCN 23699; Bolmer et al. GCN 23702; Castro-Tirado et al. GCN 23708; Kann et al. GCN 23710; Im et al. GCN 23717; Siegel et al. GCN 23725; Mazaeva et al., GCNs 23727, 23741; D'Avanzo et al., GCN 23729; Kim et al., GCNs 23732, 23734; Kumar et al., GCN 23742).
Preliminary photometry of a stacked image is following.
Date UT start t-T0 Filter Exp. OT Err. UL(3sigma)
(mid, days) (s)
2019-01-17 01:19:05 2.93361 r' 10*180 20.64 0.09 21.9
The photometry is based on several nearby PanSTARRS stars.
PanSTARRS_id r
75670544556329552 16.117
75640544615203120 18.270
75620545839473520 16.802
75610545901287840 14.901
75690546042320496 14.750
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