{
  "bibcode": "2019GCN.23850....1L",
  "body": "V. Lipunov, E. Gorbovskoy, N.Tyurina, V.Kornilov, D.Vlasenko, V.Vladimirov, \nD.Zimnukhov, A.Kuznetsov, P.Balanutsa, A. Chasovnikov, D.Kuvshinov (Lomonosov \nMoscow State University, SAI, Physics Department),\n\nR. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres (The Instituto \nde Astrofisica de Canarias),\n\nD. Buckley (South African Astronomical Observatory),\n\nV. Yurkov, A. Gabovich, Yu. Sergienko, D. Kobcev (Blagoveschensk Educational \nState University),\n\nA. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov (Kislovodsk Solar Station \nof the Pulkovo Observatory),\n\nO. Gress, N.M. Budnev, O.Ershova, Yu.Ishmuhametova (Applied Physics \nInstitute, Irkutsk State University),\n\nR. Podesta, C. Lopez, C.Francile, F. Podesta (Observatorio Astronomico Felix \nAguilar OAFA),\n\nH.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE)\n\nMASTER-Amur robotic telescope (Global MASTER-Net http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, v.2010, 30L)\nwas pointed to Swift GRB190203B  (Lien et al. GCN23845, Ttrig=2019-02-03 15:44:08 UT)\n19 sec after notice time (63 sec after trigger time) at 2019-02-03 15:45:11 UT.\n\nOn our first (10s exposure)  set we  found 1 optical transient within SWIFT error-box:\n\nT-Tmid      Date      Time       Exp,s       Ra                Dec           Mag\n---------|---------------------|-------|-----------------|-----------------|-------\n       68   2019-02-03 15:45:11      10  (01h 30m 23.25s , +55d 43m 20.59s)    15.28\n\nThere is fast decay on the light curve.\n\nThe 5-sigma upper limit on the first 10s exposition was 16.3mag\n\n\nThe galactic latitude b = -6 deg., longitude l = 129 deg.\nThe observations started on zenit distance = 61 deg.\nThe sun  altitude  was -56.2 deg\n\nThe message may be cited.",
  "circularId": 23850,
  "createdOn": 1549238104000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "GRB 190203A: MASTER OT detection",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "GRB 190203A"
}