{
  "eventId": "GRB 240607A",
  "submittedHow": "email-legacy",
  "body": "V. Lipunov, V.Kornilov, E. Gorbovskoy, K. Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.Senik,  D. Vlasenko,\nG.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij\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. Gress, N.M. Budnev, O.Ershova\n(Irkutsk State University, API),\n\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,\nA.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\nV. Yurkov, A. Gabovich\n(Blagoveschensk Educational State University)\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 GRB 240607A ( Fermi GBM team, GCN 36634) errorbox  46211 sec after notice time and 46269 sec after trigger time at 2024-06-07 23:52:24 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 82 deg. The sun  altitude  is -71.1 deg. \n\nThe galactic latitude b = -83 deg., longitude l = 258 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=2485082\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n   46300 | 2024-06-07 23:52:24 |         MASTER-SAAO | (01h 07m 30.46s , -32d 11m 36.6s) |   C |    60 | 19.4 |        \n   46360 | 2024-06-07 23:52:24 |         MASTER-SAAO | (01h 07m 30.47s , -32d 11m 36.5s) |   C |   180 | 19.6 |  Coadd \n   46379 | 2024-06-07 23:53:43 |         MASTER-SAAO | (01h 07m 36.97s , -32d 11m 29.9s) |   C |    60 | 19.3 |        \n   46459 | 2024-06-07 23:55:03 |         MASTER-SAAO | (01h 07m 34.10s , -32d 09m 58.5s) |   C |    60 | 19.2 |        \n   46544 | 2024-06-07 23:56:28 |         MASTER-SAAO | (01h 07m 34.25s , -32d 10m 58.2s) |   C |    60 | 19.4 |        \n   46604 | 2024-06-07 23:56:28 |         MASTER-SAAO | (01h 07m 34.26s , -32d 10m 58.1s) |   C |   180 | 19.7 |  Coadd \n   46624 | 2024-06-07 23:57:47 |         MASTER-SAAO | (01h 07m 38.48s , -32d 09m 41.5s) |   C |    60 | 19.4 |        \n   46703 | 2024-06-07 23:59:07 |         MASTER-SAAO | (01h 07m 31.69s , -32d 10m 22.6s) |   C |    60 | 19.4 |        \n   46782 | 2024-06-08 00:00:26 |         MASTER-SAAO | (01h 07m 32.38s , -32d 09m 21.6s) |   C |    60 | 19.5 |        \n   46842 | 2024-06-08 00:00:26 |         MASTER-SAAO | (01h 07m 32.39s , -32d 09m 21.4s) |   C |   180 | 19.7 |  Coadd \n   46861 | 2024-06-08 00:01:45 |         MASTER-SAAO | (01h 07m 38.82s , -32d 10m 20.7s) |   C |    60 | 19.4 |        \n   46941 | 2024-06-08 00:03:05 |         MASTER-SAAO | (01h 07m 31.52s , -32d 11m 20.1s) |   C |    60 | 19.5 |        \n   47020 | 2024-06-08 00:04:24 |         MASTER-SAAO | (01h 07m 38.65s , -32d 11m 10.1s) |   C |    60 | 19.5 |        \n   47080 | 2024-06-08 00:04:24 |         MASTER-SAAO | (01h 07m 38.65s , -32d 11m 10.0s) |   C |   180 | 19.8 |  Coadd \n   47099 | 2024-06-08 00:05:43 |         MASTER-SAAO | (01h 07m 35.45s , -32d 09m 43.5s) |   C |    60 | 19.5 |        \n   47178 | 2024-06-08 00:07:02 |         MASTER-SAAO | (01h 07m 35.53s , -32d 11m 10.8s) |   C |    60 | 19.5 |        \n   47258 | 2024-06-08 00:08:22 |         MASTER-SAAO | (01h 07m 39.61s , -32d 09m 40.1s) |   C |    60 | 19.4 |        \n   47337 | 2024-06-08 00:09:41 |         MASTER-SAAO | (01h 07m 32.15s , -32d 10m 18.7s) |   C |    60 | 19.5 |        \n   47416 | 2024-06-08 00:11:00 |         MASTER-SAAO | (01h 07m 32.44s , -32d 09m 19.0s) |   C |    60 | 19.5 |        \nFilter C is a clear (unfiltred) band. \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n\n",
  "createdOn": 1717805747965,
  "subject": "Fermi GRB 240607A: Global MASTER-Net observations report",
  "bibcode": "2024GCN.36643....1L",
  "circularId": 36643,
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>"
}