GCN Circular 10092
Subject
GRB 091024: YNAO-GMG observations
Event
Date
2009-10-27T12:12:05Z (17 years ago)
From
Jirong Mao at Yunnan Obs <jirongmao@ynao.ac.cn>
J. Mao (YNAO & INAF-OAB), S. Li and J. Bai (YNAO) report on behalf of the GMG group:
We observed the optical afterglow of GRB 091024 (Marshall et al., GCN 10062) using one 2.4-m telescope located at Gao-Mei-Gu (GMG, Yunnan Observatory) about 3 hours after the trigger. Some preliminary results are shown below:
Start UT Filter mag err
-------------------------------------
11:52:13 R 19.66 0.02
12:54:35 R 20.18 0.03
15:11:33 R 21.03 0.05
All the calibrations were processed by nearby USNO stars in the images and without extinction correction. The detailed analysis is ongoing.
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