GCN Circular 4478
Subject
GRB 060110: Mitsume optical observations
Event
Date
2006-01-11T04:30:40Z (20 years ago)
From
Nobuyuki Kawai at Tokyo Tech <nkawai@hp.phys.titech.ac.jp>
K. Yanagisawa (OAO/NAOJ), H. Toda and N. Kawai (Tokyo Tech) report
on behalf of the Mitsume collaboration:
"We have observed the field of GRB 060110 (Zane et al. GCN 4463,
Parsons et al. GCN 4477) with the three-color Mitsume 50 cm
telescopes at Okayama, Japan in g', Rc, and Ic bands starting at
9:58 UT (T_burst+2.0h) until 10:12 UT (T_burst+2.2h) for an effective
exposure of 10 min (60sec x 10). The observing condition was not good
due to clouds and the position near the moon.
In the co-added image, we could not confirm the OT candidate (Torii
GCN 4468; Bloom et al. GCN 4471, Rujopakarn et al. GCN 4472, Tanvir et
al. GCN 4473, Wozniak et al. GCN 4474) down to the following 3-sigma
magnutude limits:
g': 17.6
Rc: 18.0
Ic: 17.3
The images obtained at Okayama can be viewed at
http://bragi.oao.nao.ac.jp/support/telescope/grb50/images/GRB060110A.pdf"