TITLE: GCN CIRCULAR NUMBER: 24756 SUBJECT: Fermi trigger No 581469752 Global MASTER-Net observations report DATE: 19/06/06 00:31:26 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-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB190605.97 (trigger No 581469752, 22h 12m 04.80s , +12d 57m 36.00s, R=6.55) errorbox 295 sec after trigger time at 2019-06-05 23:27:22 UT, with upper limit up to 19.0 mag. The observations began at zenit distance = 55 deg. The sun altitude is -19.1 deg. MASTER-Kislovodsk robotic telescope located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the Fermi GRB190605.97 errorbox 1238 sec after trigger time at 2019-06-05 23:43:05 UT, with upper limit up to 18.4 mag. Observations started at twilight. The observations began at zenit distance = 46 deg. The sun altitude is -15.5 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=1040560 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 325 | 2019-06-05 23:27:22 | MASTER-Tavrida | ( 22h 11m 46.94s , +13d 52m 33.28s) | C | 60 | 19.0 | 325 | 2019-06-05 23:27:22 | MASTER-Tavrida | ( 22h 18m 15.79s , +13d 49m 11.46s) | C | 60 | 18.5 | 1135 | 2019-06-05 23:40:52 | MASTER-Tavrida | ( 22h 1m 04.31s , +11d 52m 42.64s) | C | 60 | 17.9 | 1135 | 2019-06-05 23:40:52 | MASTER-Tavrida | ( 22h 7m 30.43s , +11d 49m 20.31s) | C | 60 | 17.7 | 1234 | 2019-06-05 23:42:31 | MASTER-Tavrida | ( 22h 23m 52.01s , +11d 49m 25.35s) | C | 60 | 17.8 | 1234 | 2019-06-05 23:42:31 | MASTER-Tavrida | ( 22h 17m 26.00s , +11d 52m 46.43s) | C | 60 | 17.9 | 1268 | 2019-06-05 23:43:05 | MASTER-Kislovodsk | ( 22h 7m 36.61s , +10d 11m 37.57s) | C | 60 | 17.1 | 1268 | 2019-06-05 23:43:05 | MASTER-Kislovodsk | ( 22h 16m 00.72s , + 9d 43m 09.99s) | C | 60 | 17.0 | 1365 | 2019-06-05 23:44:41 | MASTER-Kislovodsk | ( 21h 54m 31.97s , +14d 12m 07.34s) | C | 60 | 18.2 | 1365 | 2019-06-05 23:44:41 | MASTER-Kislovodsk | ( 22h 3m 05.25s , +13d 43m 45.48s) | C | 60 | 17.9 | 1455 | 2019-06-05 23:46:11 | MASTER-Kislovodsk | ( 21h 51m 20.51s , +10d 12m 14.09s) | C | 60 | 17.3 | 1455 | 2019-06-05 23:46:11 | MASTER-Kislovodsk | ( 21h 59m 45.33s , + 9d 43m 48.62s) | C | 60 | 17.2 | 1546 | 2019-06-05 23:47:43 | MASTER-Kislovodsk | ( 22h 27m 29.54s , +14d 11m 06.60s) | C | 60 | 18.3 | 1546 | 2019-06-05 23:47:43 | MASTER-Kislovodsk | ( 22h 36m 00.51s , +13d 42m 35.55s) | C | 60 | 18.0 | 1637 | 2019-06-05 23:49:13 | MASTER-Kislovodsk | ( 22h 7m 36.91s , +10d 11m 37.94s) | C | 60 | 17.2 | 1637 | 2019-06-05 23:49:13 | MASTER-Kislovodsk | ( 22h 16m 00.61s , + 9d 43m 07.99s) | C | 60 | 17.1 | 1727 | 2019-06-05 23:50:44 | MASTER-Kislovodsk | ( 21h 54m 32.11s , +14d 12m 08.94s) | C | 60 | 18.1 | 1727 | 2019-06-05 23:50:44 | MASTER-Kislovodsk | ( 22h 3m 05.20s , +13d 43m 46.51s) | C | 60 | 17.8 | 1821 | 2019-06-05 23:52:17 | MASTER-Kislovodsk | ( 21h 59m 45.36s , + 9d 43m 54.09s) | C | 60 | 17.2 | 1821 | 2019-06-05 23:52:17 | MASTER-Kislovodsk | ( 21h 51m 20.57s , +10d 12m 18.85s) | C | 60 | 17.3 | 1912 | 2019-06-05 23:53:48 | MASTER-Kislovodsk | ( 22h 27m 29.51s , +14d 11m 12.60s) | C | 60 | 18.4 | 1912 | 2019-06-05 23:53:48 | MASTER-Kislovodsk | ( 22h 36m 00.64s , +13d 42m 42.67s) | C | 60 | 18.1 | 2002 | 2019-06-05 23:55:19 | MASTER-Kislovodsk | ( 21h 50m 15.19s , +16d 11m 55.91s) | C | 60 | 17.9 | 2002 | 2019-06-05 23:55:19 | MASTER-Kislovodsk | ( 21h 58m 54.05s , +15d 43m 37.31s) | C | 60 | 17.7 | 2092 | 2019-06-05 23:56:48 | MASTER-Kislovodsk | ( 22h 0m 15.80s , + 8d 12m 12.66s) | C | 60 | 17.2 | 2092 | 2019-06-05 23:56:48 | MASTER-Kislovodsk | ( 22h 8m 37.02s , + 7d 43m 44.56s) | C | 60 | 17.1 | 2420 | 2019-06-06 00:02:17 | MASTER-Kislovodsk | ( 21h 50m 14.15s , +16d 12m 04.77s) | C | 60 | 17.6 | 2420 | 2019-06-06 00:02:17 | MASTER-Kislovodsk | ( 21h 58m 53.50s , +15d 43m 43.71s) | C | 60 | 17.1 | 2511 | 2019-06-06 00:03:48 | MASTER-Kislovodsk | ( 22h 8m 36.97s , + 7d 43m 38.50s) | C | 60 | 16.9 | 2511 | 2019-06-06 00:03:48 | MASTER-Kislovodsk | ( 22h 0m 15.47s , + 8d 12m 02.20s) | C | 60 | 16.9 | 2838 | 2019-06-06 00:09:15 | MASTER-Kislovodsk | ( 21h 47m 29.18s , +18d 12m 35.06s) | C | 60 | 16.8 | 2838 | 2019-06-06 00:09:15 | MASTER-Kislovodsk | ( 21h 56m 14.79s , +17d 44m 15.17s) | C | 60 | 17.1 | 2930 | 2019-06-06 00:10:46 | MASTER-Kislovodsk | ( 21h 38m 00.29s , +14d 12m 25.75s) | C | 60 | 14.8 | 2930 | 2019-06-06 00:10:46 | MASTER-Kislovodsk | ( 21h 46m 35.13s , +13d 44m 07.23s) | C | 60 | 14.7 | 3020 | 2019-06-06 00:12:17 | MASTER-Kislovodsk | ( 22h 18m 59.74s , + 5d 43m 41.37s) | C | 60 | 13.4 | 3020 | 2019-06-06 00:12:17 | MASTER-Kislovodsk | ( 22h 10m 41.33s , + 6d 12m 03.61s) | C | 60 | 12.8 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.