TITLE: GCN CIRCULAR NUMBER: 24891 SUBJECT: Fermi trigger No 583327924 Global MASTER-Net observations report DATE: 19/06/27 18:46:14 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias) D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University) MASTER-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 GRB190627.48 (trigger No 583327924, 9h 0m 19.99s , -43d 25m 00.12s, R=15.9667) errorbox 19063 sec after trigger time at 2019-06-27 16:49:43 UT, with upper limit up to 18.1 mag. Observations started at twilight. The observations began at zenit distance = 43 deg. The sun altitude is -13.7 deg. The galactic latitude b = -60 deg., longitude l = 98 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1058277 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 19094 | 2019-06-27 16:49:43 | MASTER-SAAO | ( 9h 36m 11.12s , -41d 51m 04.93s) | C | 60 | 17.1 | 20076 | 2019-06-27 17:06:06 | MASTER-SAAO | ( 9h 36m 10.94s , -41d 51m 25.60s) | C | 60 | 17.1 | 20210 | 2019-06-27 17:08:19 | MASTER-SAAO | ( 9h 46m 56.06s , -41d 50m 41.82s) | C | 60 | 17.5 | 20328 | 2019-06-27 17:10:18 | MASTER-SAAO | ( 9h 39m 48.09s , -39d 51m 26.91s) | C | 60 | 17.1 | 20445 | 2019-06-27 17:12:15 | MASTER-SAAO | ( 9h 33m 02.29s , -43d 51m 27.67s) | C | 60 | 17.5 | 20590 | 2019-06-27 17:14:39 | MASTER-SAAO | ( 9h 46m 54.85s , -41d 50m 54.73s) | C | 60 | 17.4 | 20726 | 2019-06-27 17:16:55 | MASTER-SAAO | ( 9h 39m 48.24s , -39d 51m 38.51s) | C | 60 | 17.4 | 20870 | 2019-06-27 17:19:19 | MASTER-SAAO | ( 9h 50m 15.13s , -39d 51m 14.75s) | C | 60 | 17.2 | 20973 | 2019-06-27 17:21:02 | MASTER-SAAO | ( 9h 33m 02.41s , -43d 51m 43.75s) | C | 60 | 17.1 | 21110 | 2019-06-27 17:23:20 | MASTER-SAAO | ( 9h 44m 07.26s , -43d 51m 17.42s) | C | 60 | 17.1 | 21220 | 2019-06-27 17:25:09 | MASTER-SAAO | ( 9h 50m 13.79s , -39d 51m 24.85s) | C | 60 | 17.6 | 21364 | 2019-06-27 17:27:33 | MASTER-SAAO | ( 9h 57m 41.23s , -41d 50m 48.81s) | C | 60 | 17.2 | 21507 | 2019-06-27 17:29:57 | MASTER-SAAO | ( 9h 44m 07.30s , -43d 51m 28.64s) | C | 60 | 17.1 | 21651 | 2019-06-27 17:32:20 | MASTER-SAAO | ( 9h 43m 56.19s , -37d 51m 55.66s) | C | 60 | 17.1 | 21746 | 2019-06-27 17:33:56 | MASTER-SAAO | ( 9h 57m 41.09s , -41d 50m 59.15s) | C | 60 | 17.4 | 21859 | 2019-06-27 17:35:49 | MASTER-SAAO | ( 10h 8m 24.67s , -41d 50m 35.06s) | C | 60 | 17.3 | 22006 | 2019-06-27 17:38:15 | MASTER-SAAO | ( 9h 43m 54.85s , -37d 52m 05.06s) | C | 60 | 17.3 | 22101 | 2019-06-27 17:39:50 | MASTER-SAAO | ( 9h 54m 04.56s , -37d 51m 40.71s) | C | 60 | 17.2 | 22235 | 2019-06-27 17:42:04 | MASTER-SAAO | ( 10h 8m 26.13s , -41d 50m 45.01s) | C | 60 | 17.7 | 22344 | 2019-06-27 17:43:53 | MASTER-SAAO | ( 9h 18m 56.02s , -39d 53m 23.09s) | C | 60 | 17.3 | 22475 | 2019-06-27 17:46:05 | MASTER-SAAO | ( 9h 54m 04.50s , -37d 51m 49.96s) | C | 60 | 17.5 | 22583 | 2019-06-27 17:47:52 | MASTER-SAAO | ( 9h 55m 13.53s , -43d 51m 28.05s) | C | 60 | 17.3 | 22728 | 2019-06-27 17:50:17 | MASTER-SAAO | ( 9h 18m 56.03s , -39d 53m 33.13s) | C | 60 | 17.3 | 22864 | 2019-06-27 17:52:33 | MASTER-SAAO | ( 9h 29m 23.06s , -39d 53m 06.78s) | C | 60 | 17.5 | 22990 | 2019-06-27 17:54:40 | MASTER-SAAO | ( 9h 55m 14.88s , -43d 51m 38.56s) | C | 60 | 17.4 | 23099 | 2019-06-27 17:56:29 | MASTER-SAAO | ( 10h 6m 19.95s , -43d 51m 13.26s) | C | 60 | 17.5 | 23217 | 2019-06-27 17:58:26 | MASTER-SAAO | ( 9h 29m 21.69s , -39d 53m 17.46s) | C | 60 | 17.5 | 23340 | 2019-06-27 18:00:29 | MASTER-SAAO | ( 10h 0m 40.83s , -39d 51m 35.87s) | C | 60 | 17.6 | 23484 | 2019-06-27 18:02:54 | MASTER-SAAO | ( 10h 6m 19.86s , -43d 51m 24.32s) | C | 60 | 17.3 | 23633 | 2019-06-27 18:05:22 | MASTER-SAAO | ( 9h 14m 40.05s , -41d 54m 07.94s) | C | 60 | 17.6 | 23738 | 2019-06-27 18:07:08 | MASTER-SAAO | ( 10h 0m 40.70s , -39d 51m 46.45s) | C | 60 | 17.8 | 23834 | 2019-06-27 18:08:43 | MASTER-SAAO | ( 10h 11m 04.86s , -39d 51m 22.52s) | C | 60 | 17.9 | 23981 | 2019-06-27 18:11:10 | MASTER-SAAO | ( 9h 14m 38.46s , -41d 54m 16.74s) | C | 60 | 17.6 | 24117 | 2019-06-27 18:13:26 | MASTER-SAAO | ( 9h 25m 25.30s , -41d 53m 50.70s) | C | 60 | 17.0 | 24262 | 2019-06-27 18:15:51 | MASTER-SAAO | ( 10h 11m 06.20s , -39d 51m 34.93s) | C | 60 | 17.8 | 24373 | 2019-06-27 18:17:43 | MASTER-SAAO | ( 9h 23m 37.11s , -37d 54m 04.80s) | C | 60 | 17.4 | 24470 | 2019-06-27 18:19:20 | MASTER-SAAO | ( 9h 25m 25.13s , -41d 54m 00.30s) | C | 60 | 17.2 | 24598 | 2019-06-27 18:21:27 | MASTER-SAAO | ( 9h 53m 21.35s , -45d 52m 27.67s) | C | 60 | 17.3 | 24700 | 2019-06-27 18:23:09 | MASTER-SAAO | ( 9h 23m 36.87s , -37d 54m 12.71s) | C | 60 | 17.7 | 24796 | 2019-06-27 18:24:45 | MASTER-SAAO | ( 9h 33m 46.88s , -37d 53m 48.09s) | C | 60 | 17.4 | 24943 | 2019-06-27 18:27:12 | MASTER-SAAO | ( 9h 53m 22.47s , -45d 52m 36.58s) | C | 60 | 17.4 | 25080 | 2019-06-27 18:29:29 | MASTER-SAAO | ( 10h 4m 51.39s , -45d 52m 11.01s) | C | 60 | 17.9 | 25176 | 2019-06-27 18:31:05 | MASTER-SAAO | ( 9h 33m 45.41s , -37d 53m 57.92s) | C | 60 | 17.9 | 25286 | 2019-06-27 18:32:56 | MASTER-SAAO | ( 9h 30m 22.04s , -45d 53m 45.17s) | C | 60 | 18.1 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.