GCN Circular 18721
Subject
V404Cyg Swift Trigger 668097: TSHAO optical observations
Date
2015-12-24T18:31:34Z (9 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
E. Mazaeva (IKI), I. Reva (Fesenkov Astrophysical Institute), A. Kusakin
(Fesenkov Astrophysical Institute), A. Volnova (IKI), A. Pozanenko (IKI)
report on behalf of larger GRB follow-up collaboration:
We observed V404 Cyg after Swift BAT trigger 668097 (Barthelmy et al.,
GCN 18716) with Zeiss-1000 (East) 1-m telescope of Tien Shan
Astronomical Observatory. Observations started on Dec., 23 (UT)
12:19:13. We obtained 165 images in R-filter of 30 s exposure.
Preliminary light curve
http://grb.rssi.ru/V404_Cyg/v404Cyg_20151223_lc.pngof the V404 Cyg can
be found in http://grb.rssi.ru/V404_Cyg/v404Cyg_20151223_lc.png
Photometry is based on following USNO-B1.0 stars
ID R2
USNO-B1.0_id R2
1238-0435152 15.98
1239-0424177 14.99
1239-0424179 15.61
1238-0435111 16.33