[vsnet-grb-info 10874] GRB 110820A: CQUEAN izY Observation
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Sun Aug 21 17:14:44 JST 2011
TITLE: GCN CIRCULAR
NUMBER: 12295
SUBJECT: GRB 110820A: CQUEAN izY Observation
DATE: 11/08/21 08:14:40 GMT
FROM: Myungshin Im at Seoul Nat U <mim at astro.snu.ac.kr>
Myungshin Im, Won-Kee Park (CEOU/Seoul National Univ),
Soojong Pak, Giseon Baek, and Youngseok Oh (Kyunghee University)
We observed GRB 100820A (Troja et al. GCN 12288) with i,z,and
Y-filters using CQUEAN camera (the Camera for QUasars in the Early uNiverse)
on the 2.1m telescope at the McDonald observatory. The observation
started at 2010 August 21, 05:12:48 UT, about 11.5 hrs after the
BAT trigger.
In a stacked i-band image (3 x 300 sec), we identify a faint object
within the error circle of the enhanced XRT position (Beardmore et al.
GCN 12291).
The position of the i-band source is
RA=22:52:49.49
Dec=70:17:53.6
with a positional error of ~0.5".
We are carrying our further observations to examine variability
of the source.
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