{
  "bibcode": "2019GCN.24034....1L",
  "body": "V. Lipunov, E. Gorbovskoy, N.Tyurina, V.Kornilov, D.Vlasenko, V.Vladimirov, D.Zimnukhov,\nA.Kuznetsov, P.Balanutsa, A. Chasovnikov, V.Topolev, F.Balakin,  K.Zhirkov, D.Kuvshinov\n(Lomonosov Moscow State University, SAI, Physics Department),\n\nR. Podesta, C. Lopez, C.Francile, F. Podesta (Observatorio Astronomico Felix Aguilar OAFA, San Juan National University),\n\nH.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE, SJNU)\n\nR. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres (The Instituto de Astrofisica de Canarias),\n\nD. Buckley (South African Astronomical Observatory),\n\nO. Gress, N.M. Budnev, O.Ershova, S.Yazev (Applied Physics Institute, Irkutsk State University),\n\nV. Yurkov, A. Gabovich, Yu. Sergienko, D. Kobcev (Blagoveschensk Educational State University),\n\nA. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov (Kislovodsk Solar  Station of the Pulkovo Observatory),\n\n\nMASTER-OAFA robotic telescope  (Global MASTER-Net http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy,vol. 2010, 30L)\nlocated in Argentina (OAFA observatory of San Juan National University)\nstarted inspect of IceCube 190331A error-box (Kopper et al. GCN24028, center RA,Dec=337.68deg, -20.70deg)\nat 2019-04-01 09:04:32UT  (when error-box_altitude=12 deg, sun_alt=27 deg.)\nwith mlim=19.1 .\n\nThere is NGC 7293 (Helix Nebula) inside IC error-box with 10^4 yrs  age\nhttp://master.sai.msu.ru/static/IC/MASTERIceCube-190331A.jpg\n\nReduction will be continued.\n\n\nMASTER Global Robotic Net received to socket IceCube alert 190331.29 with coordinates\nRA,Dec=355.6349  +71.1170 (J2000) and error-box 8.9deg. http://master.sai.msu.ru/static/IC/IC190331.29.txt\nand automatically inspected this localization by MASTER-Tunka, MASTER-Kislovodsk, MASTER-Tavrida\nhttp://master.sai.msu.ru/static/IC/MASTERIC190331.29map.jpg with mlim 18-20mag.\nIf new coordinates from GCN 24028 by Kopper et al. were sent automatically to subscribers, IceCube could get follow-up in time.\n\nThe message may be cited.",
  "circularId": 24034,
  "createdOn": 1554119799000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "IceCube-190331A: MASTER optical follow-up observations",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "IceCube-190331A"
}