{
  "bibcode": "2023GCN.33943....1L",
  "circularId": 33943,
  "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-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) started inspect of the LIGO/Virgo S230608as errorbox  4 sec after notice time and 53 sec after trigger time at 2023-06-08 20:51:40 UT, with upper limit up to  17.6 mag. The observations began at zenith distance = 85 deg. The sun  altitude  is -24.0 deg. \n\nThe galactic latitude b = -1 deg., longitude l = 150 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/ligo_1.php?id=11968\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n      59 | 2023-06-08 20:51:40 |   MASTER-Kislovodsk | (04h 00m 18.64s , +51d 11m 35.3s) |   C |    10 | 15.8 |        \n      84 | 2023-06-08 20:51:40 |   MASTER-Kislovodsk | (04h 00m 18.64s , +51d 11m 35.3s) |   C |    60 | 16.9 |  Coadd \n     314 | 2023-06-08 20:51:40 |   MASTER-Kislovodsk | (04h 00m 18.64s , +51d 11m 35.7s) |   C |   520 | 17.6 |  Coadd \n      98 | 2023-06-08 20:52:14 |   MASTER-Kislovodsk | (04h 00m 24.55s , +51d 10m 32.3s) |   C |    20 | 16.1 |        \n     146 | 2023-06-08 20:52:58 |   MASTER-Kislovodsk | (04h 00m 19.41s , +51d 09m 28.1s) |   C |    30 | 16.5 |        \n     206 | 2023-06-08 20:53:52 |   MASTER-Kislovodsk | (04h 00m 24.45s , +51d 09m 48.3s) |   C |    40 | 16.5 |        \n     261 | 2023-06-08 20:53:52 |   MASTER-Kislovodsk | (04h 00m 24.46s , +51d 09m 47.9s) |   C |   150 | 17.3 |  Coadd \n     274 | 2023-06-08 20:54:56 |   MASTER-Kislovodsk | (04h 00m 22.65s , +51d 10m 56.9s) |   C |    50 | 16.6 |        \n     353 | 2023-06-08 20:56:09 |   MASTER-Kislovodsk | (04h 00m 22.41s , +51d 09m 37.0s) |   C |    60 | 16.5 |        \n     447 | 2023-06-08 20:57:33 |   MASTER-Kislovodsk | (04h 00m 25.68s , +51d 11m 09.4s) |   C |    80 | 15.5 |        \n     562 | 2023-06-08 20:57:33 |   MASTER-Kislovodsk | (04h 00m 25.68s , +51d 11m 09.8s) |   C |   310 | 17.3 |  Coadd \n     561 | 2023-06-08 20:59:17 |   MASTER-Kislovodsk | (04h 00m 19.58s , +51d 10m 12.5s) |   C |   100 | 16.5 |        \n     700 | 2023-06-08 21:01:21 |   MASTER-Kislovodsk | (04h 00m 18.72s , +51d 11m 13.5s) |   C |   130 | 17.3 |        \n    2639 | 2023-06-08 21:33:16 |   MASTER-Kislovodsk | (04h 00m 33.02s , +51d 10m 45.1s) |   C |   180 | 17.0 |        \n    2819 | 2023-06-08 21:33:16 |   MASTER-Kislovodsk | (04h 00m 33.03s , +51d 10m 44.7s) |   C |   540 | 17.6 |  Coadd \n    2844 | 2023-06-08 21:36:40 |   MASTER-Kislovodsk | (04h 00m 26.26s , +51d 09m 39.2s) |   C |   180 | 17.1 |        \n    3048 | 2023-06-08 21:40:04 |   MASTER-Kislovodsk | (04h 00m 33.94s , +51d 09m 56.9s) |   C |   180 | 17.3 |        \nFilter C is a clear (unfiltred) band. \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n\n",
  "subject": "LIGO/Virgo S230608as: Global MASTER-Net observations report",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
  "eventId": "LIGO/Virgo S230608as",
  "createdOn": 1686293434840
}