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GCN Circular 36597

Subject
GRB 240529A: further SAO RAS optical observations
Date
2024-06-02T13:30:58Z (11 days ago)
From
Moskvitin Alexander at SAO RAS <mosk@sao.ru>
Via
legacy email
A. S. Moskvitin, O. I. Spiridonova, O. A. Maslennikova (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) with the SAO RAS 1m telescope Zeiss-1000 equipped
with CCD-photometer. We obtained 8 x 300 sec frames in the Rc band
on June 1, 23:30:20 -- June 2, 00:16:50 UT (t_mid - T0 = 3.8716 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;
Pankov et al. GCN 36585; Ror et al., 36589) is clearly detected
in the stacked frame with the brightness of R = 20.7 +/- 0.1.

The magnitudes were calibrated using R2 magnitudes of nearby USNO-B1.0
stars.

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