[vsnet-grb-info 18792] GRB 161129A: KWFC z-band photometry
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Thu Dec 8 18:22:44 JST 2016
TITLE: GCN CIRCULAR
NUMBER: 20242
SUBJECT: GRB 161129A: KWFC z-band photometry
DATE: 16/12/08 09:21:59 GMT
FROM: Tomoki Morokuma at U of Tokyo <tmorokuma at ioa.s.u-tokyo.ac.jp>
Tomoki Morokuma and Yuki Sarugaku (Univ. of Tokyo) report on behalf
of the OISTER collaboration:
We observed the field of GRB 161129A (Kocevski et al. GCN 20210)
with the 1.05-m Schmidt telescope and KWFC (Sako et al. 2012, Proc.
SPIE 8446, 84466L) at Kiso Observatory in Japan. The observations were
made in z-band at 2016-11-29 08:15-08:36 (UT; about 1 hour after the
burst). The flux is calibrated with z-band imaging data for a nearby
SDSS field taken at almost the same airmass as that of the GRB field.
We do not detect any new source within the XRT error circle or at the
position with Swift/UVOT and other telescopes' detections (e.g., Kuin et
al. GCN 20217) and the upper limits are as follows.
# ------------------------------------------------
# MID-MJD MID-UT t_exp z_lim
# ------------------------------------------------
57721.3442 08:15:36 60.0 16.9
57721.3477 08:20:44 120.0 17.7
57721.3513 08:25:50 180.0 18.3
57721.3542 08:30:08 180.0 18.6
57721.3573 08:34:25 180.0 18.7
# ------------------------------------------------
MID-MJD [day] : MJD in the middle of exposure
MID-UT : UT in the middle of exposure
t_exp [sec] : Exposure time
z_lim : 5-sigma limiting magnitude (AB)
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