{
  "bibcode": "2019GCN.25216....1L",
  "body": "V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, V.Vladimirov,\nD. Vlasenko, I.Gorbunov,D.Zimnukhov, V.Senik, A.Chasovnikov, D.Kuvshinov (Lomonosov Moscow State University, SAI, Physics Department),\nR. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA),\nH.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),\nR. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias)\nD. Buckley (South African Astronomical Observatory),\nO.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API),\nA. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory),\nV. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University)\n\nMASTER Global Robotic Net ( http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)\nobserved S190728q (LIGO GCN 21187) since 2019-07-28 07:00:29 UT (Lipunov et al. GCN 25183).\n\nMASTER database has previous outbursts of Zwicky Transient Facility (ZTF) \nOT  ZTF19abjethn=AT2019lvs (Kasliwal et al. GCN25199, R.A.,Dec=326.395431 +20.690590) \nsince 2010, preliminary automatic MASTER unfiltered photometry is the \nfollowing \n(W=0.2B+0.8R calibrated by USNO-B1 B2,R2 thousands field stars)\n\nDate,Time_UT             m_OT  MASTER-site\n2010-10-26 17:41:20     18.5   MASTER-Kislovodsk\n2012-11-05 16:38:30     18.4   MASTER-Kislovodsk\n2014-10-27 16:49:43     18.6   MASTER-Kislovodsk\n2016-06-08 01:53:30\t19.2   MASTER-IAC\n\nThis OT reobserved by MASTER-OAFA with unfiltered m_OT=15.4\n(was also observed by\nZwicky again Goldstein et al. GCN 25202, Zhou et al. GCN 25201, \nPanSTARRS Smartt et al. GCN 25204,\nLCO Ahumada et al. GCN 25206, \nWHT Magee et al. GCN 25209 - CV classification\nTShao Belkin et al. GCN 25212)\n\nThe message may be cited.",
  "circularId": 25216,
  "createdOn": 1564396122000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "S190728q: MASTER multiple previous outbursts detection of  ZTF19abjethn=AT2019lvs",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "ZTF19abjethn"
}