{
  "bibcode": "2018GCN.22945....1L",
  "body": "V. Lipunov, E. Gorbovskoy, V.Kornilov,  N.Tiurina, A.Kuznetsov, V.Chazov,\nI. Gorbunov, D. Vlasenko, D.Zimnukhov, D.Kuvshinov, P.Balanutsa, V.Vladimirov\nLomonosov Moscow State University,SAI\n\nD. Buckley,\nSouth African Astronomical Observatory (SAAO)\n\nR. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres\nThe Instituto de Astrofisica de Canarias (IAC)\n\nA. Tlatov, V.Senik, D. Dormidontov\nKislovodsk Solar Station of the Pulkovo Observatory\n\nR. Podesta, F. Podesta, C. Lopez, C.Francile\nObservatorio Astronomico Felix Aguilar (OAFA)\n\nH.Levato,\nInstituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)\n\nO. Gres, N.M.Budnev, Yu.Ishmuhametova\nIrkutsk State University (ISU)\n\nA. Gabovich, V. Yurkov, Yu. Sergienko\nBlagoveschensk Educational State University (BSPU)\n\nMASTER Global Robotic Net observed the field of the IceCube EHE event\nIceCube-171106A Taboada et al. GCN 22105\n(also observed by Swift, see Keivani et al. ATEL #10942)\n\nThe IC171106A altitude at alert time (Date: 17/11/06  18:39:39.21 UT\nJ2000 RA:340.00 (-0.50/+0.70 deg 90% PSF containment)\n       Dec: +7.40 (-0.25/+0.35 deg 90% PSF containment))\n\nMASTER-IAC  (Tenerife)\nObject: Altitude: 54.48 Azimuth: 300.17\nSun: Altitude: -5.64 Azimuth: 74.70\nMoon: Altitude: -22.37 Azimuth: 232.01\nMASTER-SAAO (South Africa)\n\nObject: Altitude:  49.68  Azimuth: 169.40\nSun:    Altitude: -18.49  Azimuth:  56.02\nMoon:   Altitude: -11.82  Azimuth: 255.21\n\nMASTER-Kislovodsk (Russia)\n\nObject: Altitude:  45.89  Azimuth:  43.01\nSun:    Altitude: -50.59  Azimuth: 123.99\nMoon:   Altitude:  26.64  Azimuth: 269.05\n\nMASTER-Tavrida\n\nObject: Altitude:  48.79  Azimuth: 31.15\nSun:    Altitude: -44.81  Azimuth: 115.65\nMoon:   Altitude:  20.62  Azimuth: 263.71\n\nMASTER-Kislovodsk pointed to the IC 171106A at  2017-11-06 18:40:45UT, 66s after trigger time .\nThere were 4 alert images:\nDate,UT                 Exp     mlim    MASTERtube\n2017-11-06 18:50:16\t180\t19.3\tEAST\n2017-11-06 18:47:06\t180\t19.3\tEAST\n2017-11-06 18:43:56\t180\t19.1\tEAST\n2017-11-06 18:40:45\t180\t18.9\tEAST\n\nthen MASTER-Kislovodsk returned to Fermi trigger 531665037 inspection https://gcn.gsfc.nasa.gov/other/531665037.fermi  (GRB_TIME: 17/11/06 12:43:52.33UT 02h 00m 50s +59d 29' 24\")\n\nMASTER-SAAO was pointed to IC 171106A at  2017-11-06 18:40:50UT 71s after trigger time\nUnfiltered limits of alert images are the following:\nDate,UT                 Exp     mlim    MASTER_tube\n2017-11-06 18:40:50\t540\t20.3\tEAST\n2017-11-06 18:40:50\t180\t19.9\tEAST\n2017-11-06 18:40:50\t540\t20.6\tWEST\n2017-11-06 18:40:50\t180\t20.2\tWEST\n2017-11-06 18:44:07\t180\t20.0\tEAST\n2017-11-06 18:44:07\t180\t20.2\tWEST\n2017-11-06 18:47:22\t180\t20.0\tEAST\n2017-11-06 18:50:38\t180\t20.0\tEAST\n2017-11-06 18:50:38\t180\t20.1\tWEST\n2017-11-29 18:44:51\t180\t19.4\tEAST\n2017-11-29 18:44:51\t540\t19.6\tEAST\n2017-11-29 18:44:51\t180\t19.1\tWEST\n2017-11-29 18:44:51\t540\t19.9\tWEST\n2017-11-29 18:49:52\t180\t19.0\tEAST\n2017-11-29 18:49:52\t180\t19.4\tWEST\n2017-11-29 18:53:56\t180\t18.9\tEAST\n2017-11-29 18:53:56\t180\t19.1\tWEST\n2017-11-29 19:11:09\t540\t19.8\tEAST\n2017-11-29 19:11:09\t180\t19.0\tEAST\n2017-11-29 19:11:09\t180\t19.4\tWEST\n2017-11-29 19:11:09\t540\t20.0\tWEST\n2017-11-29 19:17:27\t180\t19.1\tEAST\n2017-11-29 19:17:27\t180\t19.3\tWEST\n2017-11-29 19:24:21\t180\t19.1\tEAST\n2017-11-29 19:24:21\t180\t19.3\tWEST\n2017-11-29 19:30:27\t180\t19.0\tEAST\n2017-11-29 19:30:27\t180\t19.3\tWEST\n\n\nMASTER-IAC pointed to the IC 171106A at  2017-11-06 18:41:11UT   91.8s after  trigger  time.\nThe Sun_Altitude  was   -5.64, and  so as MASTER-Kislovodsk and MASTER-SAAO followed up alert observations,\n  MASTER-IAC followed Fermi inspection after sunset, and followed IceCube inspection on next day by usual inspect program\n\n2017-11-07 19:33:49\t540\t20.0\tEAST\n2017-11-07 19:33:49\t180\t19.3\tEAST\n2017-11-07 19:37:42\t540\t20.0\tWEST\n2017-11-07 19:37:42\t180\t19.6\tWEST\n2017-11-07 19:37:36\t180\t19.4\tEAST\n2017-11-07 19:41:35\t180\t19.6\tWEST\n2017-11-07 19:41:35\t180\t19.4\tEAST\n2017-11-07 19:45:36\t180\t17.8\tWEST\n2017-11-07 19:49:45\t180\t18.7\tEAST\n2017-11-07 19:53:17\t180\t18.9\tEAST\n2017-11-07 19:53:17\t180\t18.0\tWEST\n\nMASTER-Tavrida started  inspect  IC171106A in a weak as usual inspect \nprogram on 2017-11-13 19:03:59 UT with the following unfiltered limits\n\nDate,UT                 Exp     mlim  MASTER_tube\n2017-11-13 19:55:03\t180\t18.4\tEAST\n2017-11-13 19:55:03\t180\t17.8\tWEST\n2017-11-13 19:51:01\t180\t18.8\tWEST\n2017-11-13 19:47:28\t180\t18.8\tWEST\n2017-11-13 19:32:55\t180\t18.8\tWEST\n2017-11-13 19:29:21\t180\t18.8\tWEST\n2017-11-13 19:25:45\t540\t19.5\tWEST\n2017-11-13 19:25:45\t180\t18.8\tWEST\n2017-11-13 19:07:32\t180\t18.0\tWEST\n2017-11-13 19:03:59\t180\t18.0\tWEST\n\n\nThere is one BL Lac type object with Radio and Gamma  inside \nIceCube error box (see Gamma-ray blazar candidates (Sowards-Emmerd+, 2005) \nJ223810.3+072413 .\n\nThere are large number AGN and QSO candidates.\n\nThis message may be cited.",
  "circularId": 22945,
  "createdOn": 1531572560000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "IceCube-171106A: MASTER optical observation",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "IceCube-171106A"
}