{
  "eventId": "GRB 250705A",
  "createdOn": 1753408836557,
  "editedOn": 1753906858499,
  "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-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB250725.08 (trigger No 775101099,02h 08m 43.20s , -85d 24m 00.0s, R=1.74) errorbox  13 sec after notice time and 47 sec after trigger time at 2025-07-25 01:52:22 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 64 deg. The sun  altitude  is -50.5 deg. \n\nMASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB250725.08 errorbox  20 sec after notice time and 54 sec after trigger time at 2025-07-25 01:52:29 UT, with upper limit up to  17.0 mag. The observations began at zenith distance = 53 deg. The sun  altitude  is -46.5 deg. \n\nThe galactic latitude b = -32 deg., longitude l = 301 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=2947370\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n      52 | 2025-07-25 01:52:22 |         MASTER-OAFA | (02h 25m 24.07s , -83d 05m 36.9s) |   C |    10 | 18.2 |        \n      60 | 2025-07-25 01:52:29 |         MASTER-SAAO | (02h 09m 37.42s , -82d 51m 47.1s) |  P/ |    10 | 16.1 |        \n      60 | 2025-07-25 01:52:29 |         MASTER-SAAO | (02h 24m 15.37s , -83d 06m 32.9s) | P\\\\ |    10 | 16.5 |        \n      68 | 2025-07-25 01:52:38 |         MASTER-OAFA | (02h 25m 23.82s , -83d 05m 36.2s) |   C |    10 | 18.3 |        \n      89 | 2025-07-25 01:52:54 |         MASTER-OAFA | (02h 25m 23.31s , -83d 05m 34.7s) |   C |    20 | 18.7 |        \n      94 | 2025-07-25 01:52:58 |         MASTER-SAAO | (02h 09m 37.12s , -82d 51m 49.2s) |  P/ |    20 | 16.8 |        \n      94 | 2025-07-25 01:52:58 |         MASTER-SAAO | (02h 24m 15.31s , -83d 06m 34.5s) | P\\\\ |    20 | 17.0 |        \n     116 | 2025-07-25 01:53:20 |         MASTER-OAFA | (02h 25m 22.79s , -83d 05m 34.2s) |   C |    20 | 18.7 |        \n     133 | 2025-07-25 01:53:37 |         MASTER-SAAO | (02h 24m 14.91s , -83d 06m 36.1s) | P\\\\ |    20 | 17.0 |        \n     147 | 2025-07-25 01:53:46 |         MASTER-OAFA | (02h 25m 21.97s , -83d 05m 32.7s) |   C |    30 | 19.0 |        \n     183 | 2025-07-25 01:54:22 |         MASTER-OAFA | (02h 25m 21.21s , -83d 05m 31.3s) |   C |    30 | 19.0 |        \nFilter C is a clear (unfiltred) band. \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>",
  "bibcode": "2025GCN.41149....1L",
  "format": "text/plain",
  "circularId": 41149,
  "submittedHow": "email",
  "subject": "Fermi  GRB 250725A: Global MASTER-Net observations report",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
  "version": 2
}