{
  "createdOn": 1759457078378,
  "editedOn": 1759682405219,
  "body": "V.Lipunov, E.Gorbovskoy, A.Kuznetsov, K.Zhirkov, I.Panchenko, N.Tiurina, P.Balanutsa, V.Topolev, D.Vlasenko, \nG.Antipov,  A.Sankovich, Yu.Tselik, Ya.Kechin, V.Senik, A.Chasovnikov, K.Labsina, I. Gorbunov (Lomonosov MSU), A.Sosnovskij (CrAO RAS),\nO.Gress, N.Budnev (ISU),\nC.Francile,  F. Podesta, R.Podesta, E. Gonzalez  (Observatorio Astronomico Felix Aguilar (OAFA),\nA. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory),\nA.Sosnovskij (CrAO),\nA. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity),\nD.Buckley (SAAO),\nR.Rebolo (The Instituto de Astrofisica de Canarias),\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,\nA.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory) \n\nMASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the Swift GRB251003.08 (trigger No 1400964,01h 14m 00.72s , +56d 30m 25.2s, R=0.05) errorbox  10 sec after notice time and 34 sec after trigger time at 2025-10-03 01:59:04 UT, with upper limit up to  16.6 mag. Observations started at twilight.  The observations began at zenith distance = 43 deg. The sun  altitude  is -13.7 deg. \n\nThe galactic latitude b = -6 deg., longitude l = 126 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=3005736\n\nWe obtain a following upper limits.  \n\nTmid-T0  |          Site       |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____|_______|______|________\n\n      40 |   MASTER-Kislovodsk |  P- |    10 | 15.8 |        \n      50 |   MASTER-Kislovodsk |  P- |    30 | 16.4 |  Coadd \n      40 |   MASTER-Kislovodsk |  P| |    10 | 14.6 |        \n      58 |   MASTER-Kislovodsk |  P- |    10 | 16.0 |        \n      58 |   MASTER-Kislovodsk |  P| |    10 | 15.0 |        \n      77 |   MASTER-Kislovodsk |  P- |    10 | 16.2 |        \n      77 |   MASTER-Kislovodsk |  P| |    10 | 15.1 |        \n     100 |   MASTER-Kislovodsk |  P- |    20 | 16.5 |        \n     100 |   MASTER-Kislovodsk |  P| |    20 | 15.8 |        \n     129 |   MASTER-Kislovodsk |  P- |    20 | 16.5 |        \n     129 |   MASTER-Kislovodsk |  P| |    20 | 15.6 |        \n     162 |   MASTER-Kislovodsk |  P- |    30 | 16.6 |        \n     162 |   MASTER-Kislovodsk |  P| |    30 | 15.9 |        \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n",
  "editedBy": "Vidushi Sharma at NASA GSFC/UMBC <vidushi.sharma@nasa.gov> on behalf of Vladimir Lipunov at Lomonosov Moscow State University <lipunov@sai.msu.ru>",
  "format": "text/plain",
  "subject": "Swift GRB251003A: Global MASTER-Net observations report",
  "version": 3,
  "bibcode": "2025GCN.42068....1L",
  "circularId": 42068,
  "eventId": "GRB 251003A",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
  "submittedHow": "email"
}