{ "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) was pointed to the IceCube Alert 230724.08 (trigger No 66037171,02h 11m 19.20s , -02d 20m 13.2s, R=0.67) errorbox 25 sec after notice time and 73 sec after trigger time at 2023-07-24 01:50:26 UT, with upper limit up to 18.0 mag. The observations began at zenith distance = 50 deg. The sun altitude is -47.0 deg. \n\nThe galactic latitude b = -58 deg., longitude l = 165 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=2244110\n\nWe obtain a following upper limits. \n\nTmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n 78 | 2023-07-24 01:50:26 | MASTER-SAAO | (02h 09m 45.48s , -02d 35m 21.4s) | P\\\\ | 10 | 15.9 | \n 108 | 2023-07-24 01:50:26 | MASTER-SAAO | (02h 09m 45.47s , -02d 35m 21.3s) | P\\\\ | 70 | 17.3 | Coadd \n 78 | 2023-07-24 01:50:26 | MASTER-SAAO | (02h 09m 00.64s , -02d 33m 28.7s) | P/ | 10 | 15.9 | \n 108 | 2023-07-24 01:50:26 | MASTER-SAAO | (02h 09m 00.63s , -02d 33m 28.5s) | P/ | 70 | 17.1 | Coadd \n 123 | 2023-07-24 01:51:06 | MASTER-SAAO | (02h 09m 51.80s , -02d 36m 19.6s) | P\\\\ | 20 | 16.3 | \n 124 | 2023-07-24 01:51:06 | MASTER-SAAO | (02h 09m 06.99s , -02d 34m 27.0s) | P/ | 20 | 16.5 | \n 168 | 2023-07-24 01:51:46 | MASTER-SAAO | (02h 09m 46.03s , -02d 37m 20.1s) | P\\\\ | 30 | 15.7 | \n 168 | 2023-07-24 01:51:46 | MASTER-SAAO | (02h 09m 01.26s , -02d 35m 27.2s) | P/ | 30 | 16.1 | \n 223 | 2023-07-24 01:52:36 | MASTER-SAAO | (02h 09m 52.04s , -02d 37m 18.1s) | P\\\\ | 40 | 16.8 | \n 223 | 2023-07-24 01:52:36 | MASTER-SAAO | (02h 09m 07.27s , -02d 35m 25.2s) | P/ | 40 | 17.0 | \n 298 | 2023-07-24 01:53:46 | MASTER-SAAO | (02h 09m 04.11s , -02d 33m 31.8s) | P/ | 50 | 16.9 | \n 358 | 2023-07-24 01:53:46 | MASTER-SAAO | (02h 09m 04.06s , -02d 33m 31.5s) | P/ | 170 | 17.7 | Coadd \n 298 | 2023-07-24 01:53:46 | MASTER-SAAO | (02h 09m 48.88s , -02d 35m 23.5s) | P\\\\ | 50 | 16.7 | \n 358 | 2023-07-24 01:53:46 | MASTER-SAAO | (02h 09m 48.83s , -02d 35m 23.2s) | P\\\\ | 170 | 17.3 | Coadd \n 373 | 2023-07-24 01:54:55 | MASTER-SAAO | (02h 09m 48.80s , -02d 36m 49.1s) | P\\\\ | 60 | 17.5 | \n 373 | 2023-07-24 01:54:56 | MASTER-SAAO | (02h 09m 03.97s , -02d 34m 57.1s) | P/ | 60 | 17.1 | \n 464 | 2023-07-24 01:56:26 | MASTER-SAAO | (02h 09m 06.22s , -02d 33m 54.1s) | P/ | 60 | 17.1 | \n 464 | 2023-07-24 01:56:27 | MASTER-SAAO | (02h 09m 51.09s , -02d 35m 44.9s) | P\\\\ | 60 | 17.1 | \n 543 | 2023-07-24 01:57:46 | MASTER-SAAO | (02h 09m 46.55s , -02d 36m 14.9s) | P\\\\ | 60 | 16.7 | \n 603 | 2023-07-24 01:57:46 | MASTER-SAAO | (02h 09m 46.51s , -02d 36m 15.0s) | P\\\\ | 180 | 17.3 | Coadd \n 543 | 2023-07-24 01:57:46 | MASTER-SAAO | (02h 09m 01.68s , -02d 34m 23.2s) | P/ | 60 | 17.2 | \n 603 | 2023-07-24 01:57:46 | MASTER-SAAO | (02h 09m 01.64s , -02d 34m 23.4s) | P/ | 180 | 17.7 | Coadd \n 634 | 2023-07-24 01:59:17 | MASTER-SAAO | (02h 09m 00.08s , -02d 33m 23.3s) | P/ | 60 | 17.0 | \n 634 | 2023-07-24 01:59:17 | MASTER-SAAO | (02h 09m 44.97s , -02d 35m 13.9s) | P\\\\ | 60 | 16.8 | \n 724 | 2023-07-24 02:00:47 | MASTER-SAAO | (02h 09m 52.56s , -02d 36m 13.5s) | P\\\\ | 60 | 17.0 | \n 724 | 2023-07-24 02:00:47 | MASTER-SAAO | (02h 09m 07.62s , -02d 34m 22.2s) | P/ | 60 | 17.1 | \n 817 | 2023-07-24 02:02:20 | MASTER-SAAO | (02h 10m 08.38s , -02d 35m 25.7s) | P\\\\ | 60 | 16.8 | \n 877 | 2023-07-24 02:02:20 | MASTER-SAAO | (02h 10m 08.36s , -02d 35m 25.8s) | P\\\\ | 180 | 17.3 | Coadd \n 817 | 2023-07-24 02:02:20 | MASTER-SAAO | (02h 11m 04.16s , -02d 34m 17.0s) | P/ | 60 | 16.8 | \n 877 | 2023-07-24 02:02:20 | MASTER-SAAO | (02h 11m 04.15s , -02d 34m 17.1s) | P/ | 180 | 17.7 | Coadd \n 907 | 2023-07-24 02:03:50 | MASTER-SAAO | (02h 10m 13.31s , -02d 35m 14.9s) | P\\\\ | 60 | 16.8 | \n 907 | 2023-07-24 02:03:50 | MASTER-SAAO | (02h 11m 09.10s , -02d 34m 06.5s) | P/ | 60 | 17.0 | \n 986 | 2023-07-24 02:05:09 | MASTER-SAAO | (02h 10m 09.41s , -02d 33m 37.3s) | P\\\\ | 60 | 16.8 | \n 986 | 2023-07-24 02:05:09 | MASTER-SAAO | (02h 11m 05.23s , -02d 32m 29.4s) | P/ | 60 | 17.1 | \n 1077 | 2023-07-24 02:06:40 | MASTER-SAAO | (02h 11m 04.37s , -02d 33m 58.2s) | P/ | 60 | 17.0 | \n 1137 | 2023-07-24 02:06:40 | MASTER-SAAO | (02h 11m 04.38s , -02d 33m 58.5s) | P/ | 180 | 18.0 | Coadd \n 1077 | 2023-07-24 02:06:40 | MASTER-SAAO | (02h 10m 08.51s , -02d 35m 06.4s) | P\\\\ | 60 | 16.8 | \n 1137 | 2023-07-24 02:06:40 | MASTER-SAAO | (02h 10m 08.52s , -02d 35m 06.6s) | P\\\\ | 180 | 17.4 | Coadd \n 1157 | 2023-07-24 02:07:59 | MASTER-SAAO | (02h 11m 06.10s , -02d 32m 27.5s) | P/ | 60 | 17.0 | \n 1157 | 2023-07-24 02:07:59 | MASTER-SAAO | (02h 10m 10.23s , -02d 33m 34.8s) | P\\\\ | 60 | 17.1 | \n 1247 | 2023-07-24 02:09:29 | MASTER-SAAO | (02h 11m 00.43s , -02d 33m 01.8s) | P/ | 60 | 17.2 | \n 1247 | 2023-07-24 02:09:29 | MASTER-SAAO | (02h 10m 04.50s , -02d 34m 09.6s) | P\\\\ | 60 | 17.0 | \n 1337 | 2023-07-24 02:11:00 | MASTER-SAAO | (02h 11m 01.89s , -02d 32m 00.7s) | P/ | 60 | 17.4 | \n 1397 | 2023-07-24 02:11:00 | MASTER-SAAO | (02h 11m 01.88s , -02d 32m 00.4s) | P/ | 180 | 18.0 | Coadd \n 1337 | 2023-07-24 02:11:00 | MASTER-SAAO | (02h 10m 05.96s , -02d 33m 08.1s) | P\\\\ | 60 | 17.0 | \n 1397 | 2023-07-24 02:11:00 | MASTER-SAAO | (02h 10m 05.95s , -02d 33m 07.7s) | P\\\\ | 180 | 17.8 | Coadd \n 1417 | 2023-07-24 02:12:20 | MASTER-SAAO | (02h 11m 07.15s , -02d 32m 58.6s) | P/ | 60 | 17.3 | \n 1417 | 2023-07-24 02:12:20 | MASTER-SAAO | (02h 10m 11.22s , -02d 34m 06.5s) | P\\\\ | 60 | 17.0 | \n 1506 | 2023-07-24 02:13:49 | MASTER-SAAO | (02h 11m 00.29s , -02d 33m 57.6s) | P/ | 60 | 17.5 | \n 1506 | 2023-07-24 02:13:49 | MASTER-SAAO | (02h 10m 04.35s , -02d 35m 05.6s) | P\\\\ | 60 | 17.0 | \n 1586 | 2023-07-24 02:15:09 | MASTER-SAAO | (02h 11m 07.07s , -02d 33m 47.0s) | P/ | 60 | 17.4 | \n 1586 | 2023-07-24 02:15:09 | MASTER-SAAO | (02h 10m 11.11s , -02d 34m 54.8s) | P\\\\ | 60 | 17.0 | \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n\n", "bibcode": "2023GCN.34246....1L", "subject": "IceCube Alert 230724.08: Global MASTER-Net observations report", "circularId": 34246, "createdOn": 1690165584763, "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs " }