{
  "bibcode": "2013GCN.15390....1G",
  "body": "E. Gorbovskoy,  V. Lipunov, D. Denisenko, V. Kornilov,  A. Kuznetsov, D. \nKuvshinov, N. Tyurina, N. Shatskiy, P. Balanutsa, D.\nZimnukhov, V.V. Chazov\nLomonosov Moscow State University, Sternberg Astronomical Institute\n\nA. Tlatov, A.V. Parhomenko, D. Dormidontov, V. Sennik\nKislovodsk Solar Station of the Pulkovo Observatory\n\nK. Ivanov, S. Yazev, N.M. Budnev, O. Gres, O. Chuvalaev, V.A. Poleshchuk\nIrkutsk State University\n\nV. Yurkov, Yu. Sergienko, D. Varda, E. Sinyakov\nBlagoveschensk Educational State University, Blagoveschensk\n\nV. Krushinski, I. Zalozhnich,  A. Popov, A. Bourdanov\nUral Federal University\n\nH. Levato and C. Saffe\nInstituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)\n\nC. Mallamaci, C. Lopez and F. Podest\nObservatorio Astronomico Felix Aguilar (OAFA)\n\nMASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru) \nlocated in Kislovodsk was pointed to the  GRB131024B 27 sec s after notice \ntime and 36 sec after GRB time at 2013-10-24T21-36-07.864 UT. On our first \n(10s exposure) set we haven`t found optical transient  within SWIFT \nerror-box (Krimm et. al GCN15371).\nThe 5-sigma upper limit has been about 17.2 mag.\nThis is the prompt observations becaus GRB duration time T_90 = 64+-22 sec \n(Baumgartner et al., GCN Baumgartner).\nSuch long circular delay was due to with daily power cut on observatory.\nThe message may be cited.",
  "circularId": 15390,
  "createdOn": 1382873924000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 131024B: MASTER prompt optical observation",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 131024B"
}