{
  "submittedHow": "email-legacy",
  "createdOn": 1691109078082,
  "body": "V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, D. Vlasenko, \nG.Antipov, D.Zimnukhov, V.Senik, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov,  D.Cheryasov, Ya.Kechin\n(Lomonosov Moscow State University, SAI, Physics Department),\n\nR. Podesta, C.Lopez, F. Podesta, C.Francile \n(Observatorio Astronomico Felix Aguilar OAFA),\n\nR. Rebolo, M. Serra \n(The Instituto de Astrofisica de Canarias),\n\nD. Buckley \n(South African Astronomical Observatory),\n\nO.A. Gres, N.M. Budnev\n(Irkutsk State University, API),\n\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez \n(INAOE, Guillermo Haro Astrophysics Observatory),\n\nA. Tlatov, D. Dormidontov \n(Kislovodsk Solar Station of the Pulkovo Observatory),\n\nA. Gabovich, V.Yurkov \n(Blagoveschensk Educational State University)\n\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) started inspect of the Fermi GRB230803.98 (trigger No 712798043,03h 14m 57.60s , -33d 52m 47.6s, R=4.4) errorbox  576 sec after notice time and 608 sec after trigger time at 2023-08-03 23:37:26 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -71.2 deg. \n\nThe galactic latitude b = -58 deg., longitude l = 234 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=2249535\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n     638 | 2023-08-03 23:37:26 |         MASTER-SAAO | (03h 22m 04.45s , -33d 44m 25.7s) |   C |    60 | 15.6 |        \n     638 | 2023-08-03 23:37:26 |         MASTER-SAAO | (03h 21m 06.33s , -33d 43m 44.1s) |   C |    60 | 15.2 |        \n     718 | 2023-08-03 23:38:45 |         MASTER-SAAO | (03h 21m 59.43s , -33d 45m 01.6s) |   C |    60 | 14.0 |        \n     718 | 2023-08-03 23:38:45 |         MASTER-SAAO | (03h 21m 01.34s , -33d 44m 20.6s) |   C |    60 | 13.3 |        \n    1582 | 2023-08-03 23:53:10 |         MASTER-SAAO | (03h 13m 52.24s , -34d 07m 25.5s) |   C |    60 | 12.9 |        \n    1582 | 2023-08-03 23:53:10 |         MASTER-SAAO | (03h 12m 53.62s , -34d 06m 52.5s) |   C |    60 | 12.1 |        \n    1673 | 2023-08-03 23:54:41 |         MASTER-SAAO | (03h 13m 58.82s , -34d 07m 23.1s) |   C |    60 | 13.1 |        \n    1843 | 2023-08-03 23:57:31 |         MASTER-SAAO | (03h 13m 55.04s , -34d 07m 13.9s) |   C |    60 | 14.1 |        \n    1843 | 2023-08-03 23:57:31 |         MASTER-SAAO | (03h 12m 56.59s , -34d 06m 43.3s) |   C |    60 | 13.4 |        \nFilter C is a clear (unfiltred) band. \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n\n",
  "bibcode": "2023GCN.34331....1L",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
  "circularId": 34331,
  "subject": "Fermi  trigger No 712798043: Global MASTER-Net observations report"
}