[vsnet-grb-info 17342] GRB 151215A: TSHAO optical observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Dec 18 02:18:47 JST 2015
TITLE: GCN CIRCULAR
NUMBER: 18708
SUBJECT: GRB 151215A: TSHAO optical observations
DATE: 15/12/17 17:16:14 GMT
FROM: Alexei Pozanenko at IKI, Moscow <apozanen at 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 the field of GRB 151215A (Gibson et al., GCN 18691) with
Zeiss-1000 (East) 1-m telescope of Tien Shan Astronomical Observatory
starting on Dec. 15 (UT) 16:47:23. We obtained several images in R
filter. The afterglow (Cenko, GCN 18692) is detected in a combined
image. Preliminary photometry of the afterglow is following
Date UT start t-T0 Filter Exp. OT Err
(mid, days) (s)
2015-12-15 16:47:23 0.61190 R 21*300 22.1 0.3
The photometry is based on nearby SDSS stars.
GRB 151215A
observatory TSHAO
date 2015-12-15
UT start 16:47:23.69
t-T0 0.61190 d
exptime 21*300 s
filter R
OT 22.07 +/- 0.38 (вычитанием потоков)
uplim 22.4
fwhm 2.4 "
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