{
  "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),\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-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the Swift GRB250702.88 (trigger No 1329888,14h 11m 43.92s , +16d 41m 56.4s, R=0.05) errorbox  1057 sec after notice time and 1076 sec after trigger time at 2025-07-02 21:24:39 UT, with upper limit up to  16.9 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -70.5 deg. \n\nThe galactic latitude b = 68 deg., longitude l =  8 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=2923573\n\nWe obtain a following upper limits.  \n\nTmid-T0  |          Site       |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____|_______|______|________\n\n    1106 |         MASTER-SAAO |  P/ |    60 | 16.2 |        \n    1106 |         MASTER-SAAO | P\\\\ |    60 | 16.2 |        \n    1185 |         MASTER-SAAO |  P/ |    60 | 16.8 |        \n    1185 |         MASTER-SAAO | P\\\\ |    60 | 16.7 |        \n    1264 |         MASTER-SAAO |  P/ |    60 | 16.9 |        \n    1264 |         MASTER-SAAO | P\\\\ |    60 | 16.8 |        \n    1343 |         MASTER-SAAO |  P/ |    60 | 13.8 |        \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n",
  "format": "text/plain",
  "editedBy": "Judith Racusin at NASA/GSFC <judith.racusin@nasa.gov> on behalf of Vladimir Lipunov at Lomonosov Moscow State University <lipunov@sai.msu.ru>",
  "eventId": "GRB 250702F",
  "subject": "Swift GRB 250702F: Global MASTER-Net observations report",
  "submittedHow": "email",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
  "version": 2,
  "circularId": 40893,
  "bibcode": "2025GCN.40893....1L",
  "createdOn": 1751492214186,
  "editedOn": 1752157014207
}