GCN Circular 5185
Subject
GRB060526: Optical counterpart from MIRO
Event
Date
2006-05-30T03:02:47Z (19 years ago)
From
Kiran S Baliyan at Physical Research Lab, Ahmedabad,India <baliyan@prl.res.in>
K.S. Baliyan, S. Ganesh, H.O. Vats and J.K. Jain (MIRO-PRL, Ahmedabad,
India) report:
We observed the field around position of the optical counterpart of
GRB060526 (Campana et al. GCN 5162, 5163; French & Jelinek GCN 5165;
Rykoff et al. GCN 5166) beginning at 21:02 UT. The 1296*1154 CCD mounted
on the 1.2 M telescope of Mt Abu IR Observatory, operated by Physical
Research Laboratory, Ahmedabad- India, was used to observe OT in VRI bands
with 180 second exposures.
The afterglow is detected clearly in all the bands.
We use Rc=16.484+/-0.01 mag for USNO B-1 star (RA=15:31:18.6, DEC=+00 17 34.9)
as reference value to estimate preliminary R magnitudes for OT on May 26:
21:02:59 UT 18.65 +/- 0.19
21:09:26 UT 18.71 +/- 0.32
21:32:38 UT 19.06 +/- 0.19
22:44:22 UT 19.19 +/- 0.24
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