GCN Circular 9285
Subject
GRB 090426: YNAO-GMG observations
Event
Date
2009-04-29T09:10:30Z (17 years ago)
From
Jirong Mao at Yunnan Obs <jirongmao@ynao.ac.cn>
J. Mao (YNAO & INAF-OAB), G. Cha and J. Bai (YNAO) report on behalf of the GMG group:
We observed the optical counterpart of GRB 090426 (Cummings et al., GCN 9254) using
one 2.4-m telescope located at Gao-Mei-GU (GMG) about 2 hours after the trigger and
otained the following magnitudes:
Start UT Exposure Filter Mag Err
-------------------------------------
14:07:59 20 min I 19.18 0.06
14:52:19 20 min R 20.29 0.02
15:49:27 20 min V 20.97 0.04
and calibration was processed by a nearby SDSS star in the image.
The telescope is charged by Yunnan Observatory (YNAO), Chinese Academy of Sciences.
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