TITLE: GCN CIRCULAR NUMBER: 24525 SUBJECT: LIGO/Virgo S190513bm Global MASTER-Net observations report DATE: 19/05/13 22:48:29 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, E. Gorbovskoy, V.Kornilov, D.Kuvshinov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.V.Chazov, D. Vlasenko (Lomonosov Moscow State University, Sternberg Astronomical Institute, Moscow State University) A. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory) K. Ivanov, O. Gres, N.M. Budnev, S. Yazev, O. Chuvalaev, V. Poleshchuk (Irkutsk State University) V. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University, Blagoveschensk) R. Podesta, Carlos Lopez and F. Podesta (Observatorio Astronomico Felix Aguilar (OAFA)) Hugo Levato and Carlos Saffe (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)) R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres (The Instituto de Astrofisica de Canarias) D. Buckley, S. Potter, A. Kniazev, M. Kotze (South African Astronomical Observatory) 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 LIGO/Virgo S190513bm errorbox 1803 sec after trigger time at 2019-05-13 21:24:31 UT, with upper limit up to 19.2 mag. The observations began at zenit distance = 136 deg. The sun altitude is -69.1 deg. MASTER-IAC robotic telescope located in Spain (IAC Teide Observatory) started inspect of the LIGO/Virgo S190513bm errorbox 2233 sec after trigger time at 2019-05-13 21:31:41 UT, with upper limit up to 19.2 mag. The observations began at zenit distance = 152 deg. The sun altitude is -21.6 deg. MASTER-Kislovodsk robotic telescope located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the LIGO/Virgo S190513bm errorbox 2620 sec after trigger time at 2019-05-13 21:38:08 UT, with upper limit up to 17.7 mag. The observations began at zenit distance = 113 deg. The sun altitude is -28.2 deg. MASTER-Tavrida robotic telescope located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the LIGO/Virgo S190513bm errorbox 2699 sec after trigger time at 2019-05-13 21:39:27 UT, with upper limit up to 17.9 mag. The observations began at zenit distance = 117 deg. The sun altitude is -27.6 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/ligo_1.php?id=10365 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 1893 | 2019-05-13 21:24:31 | MASTER-SAAO | ( 19h 10m 55.36s , -29d 49m 09.78s) | C | 180 | 18.7 | 2073 | 2019-05-13 21:24:31 | MASTER-SAAO | ( 19h 10m 55.36s , -29d 49m 09.78s) | C | 540 | 19.2 | Coadd 2103 | 2019-05-13 21:28:01 | MASTER-SAAO | ( 19h 11m 02.82s , -29d 49m 02.77s) | C | 180 | 18.6 | 2313 | 2019-05-13 21:31:30 | MASTER-SAAO | ( 19h 11m 02.98s , -29d 49m 01.27s) | C | 180 | 18.5 | 2323 | 2019-05-13 21:31:41 | MASTER-IAC | ( 3h 49m 51.07s , +59d 49m 36.05s) | C | 180 | 17.2 | 2324 | 2019-05-13 21:31:42 | MASTER-IAC | ( 3h 33m 28.49s , +59d 52m 09.70s) | C | 180 | 16.9 | 2522 | 2019-05-13 21:35:00 | MASTER-SAAO | ( 19h 11m 03.19s , -29d 48m 59.91s) | C | 180 | 18.5 | 2570 | 2019-05-13 21:35:48 | MASTER-IAC | ( 3h 33m 54.78s , +59d 56m 27.96s) | C | 180 | 16.8 | 2571 | 2019-05-13 21:35:48 | MASTER-IAC | ( 3h 50m 22.01s , +59d 53m 47.58s) | C | 180 | 17.7 | 2710 | 2019-05-13 21:38:08 | MASTER-Kislovodsk | ( 3h 23m 05.55s , +57d 56m 50.54s) | C | 180 | 17.5 | 2710 | 2019-05-13 21:38:08 | MASTER-Kislovodsk | ( 3h 38m 05.13s , +57d 29m 30.15s) | C | 180 | 17.7 | 2790 | 2019-05-13 21:39:27 | MASTER-Tavrida | ( 3h 53m 37.36s , +55d 40m 46.76s) | C | 180 | 16.1 | 2917 | 2019-05-13 21:41:34 | MASTER-Kislovodsk | ( 3h 23m 05.08s , +57d 56m 47.73s) | C | 180 | 15.8 | 2917 | 2019-05-13 21:41:35 | MASTER-Kislovodsk | ( 3h 38m 04.38s , +57d 29m 25.31s) | C | 180 | 15.8 | 2961 | 2019-05-13 21:42:18 | MASTER-SAAO | ( 19h 24m 44.34s , -31d 59m 41.26s) | C | 180 | 18.6 | 3026 | 2019-05-13 21:43:24 | MASTER-Tavrida | ( 4h 8m 10.44s , +59d 59m 42.95s) | C | 180 | 14.4 | 3026 | 2019-05-13 21:43:24 | MASTER-Tavrida | ( 4h 20m 50.42s , +59d 57m 10.66s) | C | 180 | 17.7 | 3049 | 2019-05-13 21:43:47 | MASTER-IAC | ( 3h 49m 52.42s , +59d 49m 12.05s) | C | 180 | 17.1 | 3049 | 2019-05-13 21:43:47 | MASTER-IAC | ( 3h 33m 29.32s , +59d 51m 40.38s) | C | 180 | 16.4 | 3132 | 2019-05-13 21:45:10 | MASTER-Kislovodsk | ( 3h 54m 17.16s , +58d 14m 20.21s) | C | 180 | 13.2 | 3178 | 2019-05-13 21:45:56 | MASTER-SAAO | ( 18h 47m 01.14s , -31d 58m 43.48s) | C | 180 | 18.1 | 3290 | 2019-05-13 21:47:47 | MASTER-IAC | ( 3h 33m 56.08s , +59d 56m 25.74s) | C | 180 | 15.9 | 3290 | 2019-05-13 21:47:47 | MASTER-IAC | ( 3h 50m 23.71s , +59d 53m 50.71s) | C | 180 | 17.4 | 3395 | 2019-05-13 21:49:32 | MASTER-SAAO | ( 19h 43m 35.98s , -32d 0m 16.46s) | C | 180 | 18.1 | 3529 | 2019-05-13 21:51:47 | MASTER-IAC | ( 16h 56m 10.01s , + 5d 59m 00.35s) | C | 180 | 16.0 | 3530 | 2019-05-13 21:51:48 | MASTER-IAC | ( 16h 47m 51.76s , + 6d 2m 23.47s) | C | 180 | 18.3 | 3609 | 2019-05-13 21:53:07 | MASTER-SAAO | ( 19h 24m 43.72s , -31d 59m 34.72s) | C | 180 | 18.1 | 3735 | 2019-05-13 21:55:12 | MASTER-Tavrida | ( 3h 53m 31.81s , +55d 40m 14.64s) | C | 180 | 14.4 | 3755 | 2019-05-13 21:55:32 | MASTER-IAC | ( 17h 3m 57.68s , + 6d 1m 28.60s) | C | 180 | 18.3 | 3823 | 2019-05-13 21:56:40 | MASTER-SAAO | ( 19h 34m 09.51s , -32d 0m 12.55s) | C | 180 | 18.2 | 3971 | 2019-05-13 21:59:09 | MASTER-Tavrida | ( 4h 8m 11.76s , +59d 59m 34.87s) | C | 180 | 14.8 | 3971 | 2019-05-13 21:59:09 | MASTER-Tavrida | ( 4h 20m 50.88s , +59d 57m 01.62s) | C | 180 | 17.9 | 3976 | 2019-05-13 21:59:14 | MASTER-IAC | ( 17h 8m 24.41s , + 8d 1m 15.82s) | C | 180 | 18.5 | 4039 | 2019-05-13 22:00:16 | MASTER-SAAO | ( 18h 47m 03.44s , -31d 58m 38.95s) | C | 180 | 18.3 | 4207 | 2019-05-13 22:03:04 | MASTER-Tavrida | ( 4h 21m 13.77s , +59d 40m 53.44s) | C | 180 | 17.7 | 4207 | 2019-05-13 22:03:04 | MASTER-Tavrida | ( 4h 8m 34.55s , +59d 46m 36.53s) | C | 180 | 14.8 | 4224 | 2019-05-13 22:03:22 | MASTER-IAC | ( 16h 48m 07.95s , + 6d 6m 39.52s) | C | 180 | 18.0 | 4224 | 2019-05-13 22:03:22 | MASTER-IAC | ( 16h 56m 24.49s , + 6d 3m 18.60s) | C | 180 | 17.1 | 4254 | 2019-05-13 22:03:51 | MASTER-SAAO | ( 18h 56m 29.05s , -31d 58m 37.53s) | C | 180 | 18.7 | 4442 | 2019-05-13 22:06:59 | MASTER-Tavrida | ( 3h 13m 08.91s , +56d 2m 53.04s) | C | 180 | 14.5 | 4442 | 2019-05-13 22:06:59 | MASTER-Tavrida | ( 3h 24m 27.42s , +56d 0m 12.60s) | C | 180 | 14.3 | 4446 | 2019-05-13 22:07:03 | MASTER-IAC | ( 16h 48m 06.87s , + 6d 6m 28.56s) | C | 180 | 18.7 | 4446 | 2019-05-13 22:07:03 | MASTER-IAC | ( 16h 56m 23.45s , + 6d 3m 08.76s) | C | 180 | 17.8 | 4470 | 2019-05-13 22:07:28 | MASTER-SAAO | ( 19h 43m 35.85s , -32d 0m 08.06s) | C | 180 | 19.1 | 4666 | 2019-05-13 22:10:44 | MASTER-IAC | ( 17h 4m 12.93s , + 6d 5m 37.49s) | C | 180 | 18.4 | 4667 | 2019-05-13 22:10:44 | MASTER-IAC | ( 17h 12m 29.50s , + 6d 2m 16.30s) | C | 180 | 16.8 | 4676 | 2019-05-13 22:10:53 | MASTER-Tavrida | ( 4h 22m 05.81s , +55d 40m 58.01s) | C | 180 | 15.9 | 4685 | 2019-05-13 22:11:03 | MASTER-SAAO | ( 19h 53m 01.69s , -32d 0m 44.82s) | C | 180 | 18.9 | 4899 | 2019-05-13 22:14:37 | MASTER-SAAO | ( 19h 34m 12.34s , -32d 0m 05.95s) | C | 180 | 18.3 | 4906 | 2019-05-13 22:14:44 | MASTER-IAC | ( 17h 16m 44.15s , + 7d 58m 04.13s) | C | 180 | 16.7 | 4907 | 2019-05-13 22:14:44 | MASTER-IAC | ( 17h 8m 23.61s , + 8d 1m 29.87s) | C | 180 | 18.1 | 5115 | 2019-05-13 22:18:13 | MASTER-SAAO | ( 18h 56m 30.33s , -31d 58m 33.69s) | C | 180 | 18.5 | 5148 | 2019-05-13 22:18:45 | MASTER-IAC | ( 17h 8m 39.19s , + 8d 6m 00.52s) | C | 180 | 18.2 | 5148 | 2019-05-13 22:18:45 | MASTER-IAC | ( 17h 16m 57.85s , + 8d 2m 39.87s) | C | 180 | 17.4 | 5332 | 2019-05-13 22:21:49 | MASTER-SAAO | ( 19h 53m 02.59s , -32d 0m 20.78s) | C | 180 | 19.0 | 5355 | 2019-05-13 22:22:13 | MASTER-Tavrida | ( 4h 21m 32.61s , +56d 2m 13.57s) | C | 180 | 16.1 | 5372 | 2019-05-13 22:22:29 | MASTER-IAC | ( 16h 52m 28.10s , + 8d 6m 20.04s) | C | 180 | 18.6 | 5372 | 2019-05-13 22:22:30 | MASTER-IAC | ( 17h 0m 46.89s , + 8d 3m 00.48s) | C | 180 | 18.5 | 5547 | 2019-05-13 22:25:25 | MASTER-SAAO | ( 19h 32m 10.82s , -34d 0m 00.10s) | C | 180 | 19.0 | 5719 | 2019-05-13 22:28:16 | MASTER-IAC | ( 9h 28m 52.82s , +84d 3m 07.47s) | C | 180 | 18.8 | 5719 | 2019-05-13 22:28:16 | MASTER-IAC | ( 10h 48m 36.03s , +83d 59m 52.83s) | C | 180 | 18.8 | 5764 | 2019-05-13 22:29:02 | MASTER-SAAO | ( 19h 12m 53.05s , -33d 59m 03.54s) | C | 180 | 18.8 | 5937 | 2019-05-13 22:31:54 | MASTER-IAC | ( 9h 28m 51.57s , +84d 3m 12.89s) | C | 180 | 19.0 | 5937 | 2019-05-13 22:31:54 | MASTER-IAC | ( 10h 48m 35.30s , +84d 0m 00.56s) | C | 180 | 19.2 | 5980 | 2019-05-13 22:32:38 | MASTER-SAAO | ( 19h 19m 07.04s , -29d 59m 34.24s) | C | 180 | 18.7 | 6195 | 2019-05-13 22:36:12 | MASTER-SAAO | ( 19h 32m 11.84s , -33d 59m 38.71s) | C | 180 | 18.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.