TITLE: GCN CIRCULAR NUMBER: 36613 SUBJECT: GRB 240529A: SAO RAS optical observations DATE: 24/06/04 15:21:45 GMT FROM: Moskvitin Alexander at SAO RAS mosk@sao.ru
A. S. Moskvitin, O. A. Maslennikova, O. I. Spiridonova (SAO RAS), report on behalf of the GRB follow-up team.
We observed the field of the GRB 240529A (Eyles-Ferris et al. GCN 36556; Osborne et al. GCN 36557; Joshi et al. GCN 36560; Dichiara et al. GCN 36564; Markwardt et al. GCN 36566; Tan et al. GCN 36578; Kozyrev et al. GCN 36583; Svinkin et al. GCN 36584) with the SAO RAS 1m telescope Zeiss-1000 equipped with CCD-photometer. We obtained 15 x 200 sec frames in the Rc band on June 3, 23:17:01 -- June 4, 00:16:47 UT (t_mid - T0 = 5.8669 days).
The OT (Kumar et al. GCN 36559; Fu et al. GCN 36561; Shilling et al. GCN 36562; Perez-Garcia et al. GCN 36563; Dutton et al. GCN 36568; Mo et al. GCN 36569; Odeh et al. GCNs 36573, 36592; de Ugarte Postigo et al. GCN 36574; Adami et al. GCN 36575; Mohan et al. GCN 36576; Vinko et al. GCN 36577; Lim et al. GCN 36579; Moskvitin et al. GCNs 36582, 36597; 36601; Pankov et al. GCN 36585; Ror et al., 36589; Hu et al. GCN 36599; Lipunov et al., GCN 36603) is clearly detected in the stacked frame with the brightness of R = 20.96 +/- 0.09.
The magnitudes were calibrated using R2 magnitudes of nearby USNO-B1.0 stars.
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