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GCN Circular 36656

GRB240529A: 3.6m TNG NIR detection 8d after the burst
2024-06-10T17:25:40Z (3 days ago)
Youdong HU at INAF-OAB <>
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Y.-D. Hu, P. D'Avanzo, M. Ferro, R. Brivio, S. Covino, D. Fugazza, S. Campana (INAF-OAB), A. Rossi (INAF-OAS), D. B. Malesani (DAWN/NBI & Radboud Univ.), A. Melandri (INAF-OAR), L. Di Fabrizio, H. Stoev (INAF-TNG)  on behalf of the CIBO collaboration report:

We observed the field of the GRB240529A detected by the Swift (Eyles-Ferris et al., GCNC 36556), AstroSat (Joshi et al., GCNC 36560), Insight-HXMT (Tan et al., GCNC 36578), IPN (Kozyrev et al., GCNC 36583) and Konus-Wind (Svinkin et al., GCNC 36584) with the Italian 3.6m TNG telescope equipped with the near-infrared camera NICS to follow up its afterglow. A series of images were obtained with the J filter starting on 2024-06-06 04:42:44 UT (i.e. 8.1 days post T0). The afterglow (Kumar et al. GCNC 36559, Fu et al. GCNC 36561, Shilling et al. GCNC 36562, Perez-Garcia et al., GCNC 36563, Dutton et al., GCNC 36568, Mo et al., GCNC 36569, Odeh et al. GCNC 36573, GCNC 36592, de Ugarte Postigo et al., GCNC 36574, Adami et al., GCNC 36575, Mohan et al., GCNC 36576, Vinko et al., GCNC 36577, Gu et al., GCNC 36579, Moskvitin et al., GCNC 36582, GCNC 36594, GCNC 36597, GCNC 36601, GCNC 36613, Pankov et al., GCNC 36585, Ror et al., GCNC 36589, Hu et al., GCNC 36599, Lipunov et al., GCNC 36603, Rhodes et al., GCNC 36636, Niwano et al., GCNC 36654, Rossi et al., GCNC 36655) is faintly detected in the co-added image with a preliminary result of J(Vega)~20.4 mag (calibrated against the 2MASS catalogue).
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