{
  "bibcode": "2011GCN.12007....1G",
  "body": "O. Gres, K.Ivanov, V.A.Poleshchuk, S.Yazev, N.M.Budnev, O.Chuvalaev\nIrkutsk State University\n\nV.Krushinski, I.Zalozhnich, A. Popov\nUral State University, Kourovka\n\nE. Gorbovskoy, V. Lipunov, V.Kornilov, D.Kuvshinov, A.Belinski, N.Tyurina, \nN.Shatskiy, P.Balanutsa, V.V.Chazov, P.V.Kortunov, A.Kuznetsov, D.Zimnukhov, M. \nKornilov, A.Kuznetsov, D.Zimnukhov, M. Kornilov, A.Sankovich\nSternberg Astronomical Institute, Moscow State University\n\nA. Tlatov, A.V. Parhomenko, D. Dormidontov\nKislovodsk Solar Station of the Pulkovo Observatory\n\nV.Yurkov, Yu.Sergienko, D.Varda, I.Kudelina\nBlagoveschensk Educational State University, Blagoveschensk\n\n  MASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru)\nlocated in Tunka (Baykal lake) was pointed to the  GRB 110422A (Mangano \net al., GCN Circ 11957)  53 sec after GRB time at 2011-04-22 15:42:48.507 UT (Gres et al., GCN Circ \n11960). We see  OT (Klunko et al. GCN 11958) on all  images in both \npolarizations in R-band.\n\nThe results of the our photometry are:\n\n  mag     err    exp      t-t_trig\t mag\t err\texp     t-t_trig\n  R/              s        mean (hours)    R\\\t         s    mean (hours)\n14.89\t0.29\t10\t0.0166          15.28\t0.43\t10\t0.0163\n15.03\t0.17\t20\t0.0272  \t15.3\t0.25\t20\t0.0272\n16.04\t0.47\t30\t0.0400          15.73\t0.31\t30\t0.0397\n15.73\t0.38\t40\t0.0551   \t15.77\t0.38\t40\t0.0548\n16.35\t0.41\t50\t0.0729  \t16.05\t0.27\t50\t0.0724\n16.53\t0.37\t60\t0.0938  \t16.53\t0.32\t60\t0.0934\n16.36\t0.45\t80\t0.1190  \t16.35\t0.41\t80\t0.1186\n16.68\t0.34\t100\t0.1502  \t16.78\t0.33\t100\t0.1498\n17.74\t0.79\t120\t0.1871  \t17.17\t0.34\t120\t0.1868\n17.78\t0.59\t150\t0.2319\t        17.52\t0.33\t150\t0.2315\n17.26\t0.3\t180\t0.2834  \t17.56\t0.32\t180\t0.2831\n17.22\t0.33\t180\t0.3403  \t17.78\t0.48\t180\t0.3399\n17.2\t0.32\t180\t0.3957  \t18.32\t0.87\t180\t0.3952\n17.59\t0.45\t180\t0.4513  \t18.71\t1.27\t180\t0.4510\n18.08\t0.91\t180\t0.5066  \t19.25\t2.64\t180\t0.5063\n\nThe LC's are available at:\nhttp://observ.pereplet.ru/images/GRB110422/grb110422.png\n\n  The message may be cited.",
  "circularId": 12007,
  "createdOn": 1304577722000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB 110422A: MASTER  first 30 min OT light curve",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 110422A"
}