GCN Circular 38106

Y.-D. Hu (INAF-OAB), I. Perez-Garcia, A. J. Castro-Tirado, E. Fernandez-Garcia, S.-Y. Wu, M.D. Caballero-Garcia, R. Sanchez-Ramirez, S. Guziy (IAA-CSIC), C. Perez del Pulgar, A. Castellon, I. Carrasco, A. Reina (Univ. de Malaga), L. Hernandez-Garcia (Univ. de Valparaiso), M. Gritsevich (Univ. of Helsinki), D. R. Xiong (Yunnan Observatories of CAS), B.-B. Zhang (Nanjing Univ.) and A. Maury (Space, San Pedro de Atacama), on behalf of a larger collaboration, report:

Following the detection of GRB 241105A by Fermi (Fermi GBM team, GCNC 38085) and Swift (DeLaunay et al. GCNC 38091; Kennea et al., GCNC 38098), we triggered the 0.6m BOOTES-7 robotic telescope at San Pedro de Atacama celestial observations in San Pedro de Atacama (Chile) to observe the burst position on Nov. 6 at 01:58 UT (i.e. ~ 9.9 hrs after trigger). A series of images was obtained with multi-bands. In the co-added image (11 x 60 s, SDSS-r filter), the optical afterglow reported by GOTO (Julakanti et al. GCNC 38088), VLT (Izzo et al., GCNC 38097) and SVOM/VT (Qiu et al., GCNC 38099) is detected with r=19.2+-0.2 mag.

We thank the staff at San Pedro de Atacama celestial observations for their excellent support.