[vsnet-grb-info 15744] GRB

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Fri Nov 7 03:42:11 JST 2014


TITLE:   GCN CIRCULAR
NUMBER:  17032
SUBJECT: GRB 
DATE:    14/11/06 18:42:04 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen at iki.rssi.ru>

V. Rumyantsev (CrAO), E. Mazaeva (IKI),  A. Volnova (IKI), A. Pozanenko 
(IKI) report on  behalf of larger GRB follow-up collaboration:

We observed the field of the Swift GRB GRB 141026А (Hagen et al., GCN 
16950) with ZTSh telescope of CrAO observatory starting on Oct. 26 (UT) 
18:25:48. We took several images in R-filter of 120 s exposure under 
poor weather conditions and mean seeing of 5". The optical afterglow 
(Littlejohns et al. GCN 16592; Varela et al. GCN 16953; Gorosabel et al. 
GCN 16954) is clearly visible in our stacked image.   Photometry of a 
combined image is following

Date       UT start,  t-t0     Filter   Exp.      OT   OT_err
                       (mid, days)        (s)

2014-10-26 18:25:48   0.7020   R        53*120    21.88 0.18

The photometry is based on USNO-B1.0  stars

RA             DEC           R
044,065509    +26,958050     18.71
044,051792    +26,894737     18.59
044,049131    +26,929059     17.48


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