GCN Circular 9189
Subject
GRB 080410: GAO 150cm telescope Optical Observation
Date
2009-04-22T10:59:01Z (15 years ago)
From
Kenzo Kinugasa at Gunma Astro. Obs/Japan <kinugasa@astron.pref.gunma.jp>
K. Kinugasa, S. Honda, O. Hashimoto, H. Takahashi, H. Taguchi
(Gunma Astronomical Observatory) report:
The field of GRB 090410 (Grupe et al. GCN 9122) was observed
with the 150 cm telescope of the Gunma Astronomical Observatory.
Starting at 18:33 UT (1.60 hours after the trigger), Rc and Ic frames
were acquired for 3 x 3-min and 5 x 3-min exposures under a high airmass
(sec z ~3) condition.
We did not detect any new point source within the ground-calculated
BAT error circle (Barthelmy et al. GCN 9123) to limiting magnitudes
of Rc=19.0 and Ic=19.0 relative to USNO-B1.0 R2 and I magnitudes at the
meantime of 18:41 UT and 18:56 UT, respectively.