Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
Introducing Einstein Probe, Astro Flavored Markdown, and Notices Schema v4.0.0. See news and announcements

GCN Circular 23746

GRB 190114C: continued CHILESCOPE optical obs
2019-01-17T12:39:39Z (5 years ago)
Elena Mazaeva at IKI, Moscow <>
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
Looking for U.S. government information and services? Visit