TITLE: GCN CIRCULAR NUMBER: 11361 SUBJECT: GRB 101020A: MASTER prompt and afterglow limit DATE: 10/10/22 15:41:40 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V.Krushinski, I.Zalozhnich, T.Kopytova, A. Popov Ural State University, Kourovka K.Ivanov, O.Chuvalaev, V.Poleschuk, E.Konstantinov, V.Lenok, O.Gres, S.Yazev, N.M.Budnev, Irkutsk State University E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa, V.V.Chazov, P.V.Kortunov, A.Kuznetsov, D.Zimnukhov, M. Kornilov Sternberg Astronomical Institute, Moscow State University A. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Sennik Kislovodsk Solar Station of the Pulkovo Observatory V.Yurkov, Yu.Sergienko, D.Varda, I.Kudelina Blagoveschensk Educational State University, Blagoveschensk MASTER-Net robotic telescopes (MASTER-Net: http://observ.pereplet.ru) located near Ekaterinburg (Kourovka) was pointed to the Swift GRB 101008A (Saxton et al., GCN#11357) 22 s after Notice Time and 106 s after trigger time at large zenit distance (80 degrees) (Krushinski et al., GCN Circ 11359). We have no found any OT. t_start-t_trig(s) mean time exp_time(s) m_lim Coadd? Filter -------------------------------------------------------------------------- 106 116 20+20 14.9 Y V 472 2836 4300 18.5 Y V -------------------------------------------------------------------------- MASTER II have 2 images per exposition time. The message may be cited. mailto: lipunov@sai.msu.ru