{
  "bibcode": "2019GCN.25433....1L",
  "body": "V. Lipunov, F.Balakin, E. Gorbovskoy, V. Kornilov, N.Tyurina, \nP.Balanutsa,A.Kuznetsov, F.Balakin, V. Vladimirov, D. Vlasenko,\nI. Gorbunov,D.Zimnukhov, V.Senik, A.Chasovnikov, A.Pozdnyakov, \nA.Chasovnikov, \nV.Topolev, D.Kuvshinov(Lomonosov Moscow State University, SAI, Physics \nDepartment),\nR. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias IAC),\nR. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix \nAguilar OAFA),\nH. Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio \nICATE),\nD. Buckley (South African Astronomical Observatory SAAO),\nO. Gress, N.M. Budnev, O.Ershova (Irkutsk State University, API),\nA. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo \nObservatory),\nV. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State \nUniversity)\n\nThere is known star at Swift XRT position (GCN 25427, GCN 25431).\nIts brightnes not changes during 1 hour, after 41 sec after trigger in \nMASTER images (GCN  25429).\nThis message may be cited.",
  "circularId": 25433,
  "createdOn": 1566414087000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "GRB 190821A: MASTER do not see any afterglow candidate",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "GRB 190821A"
}