TITLE: GCN CIRCULAR NUMBER: 36494 SUBJECT: Fermi trigger No 737523389: Global MASTER-Net observations report DATE: 24/05/16 04:15:47 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru> V. Lipunov, V.Kornilov, E. Gorbovskoy, K. Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.Senik, D. Vlasenko, G.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gress, N.M. Budnev, O.Ershova (Irkutsk State University, API), L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich (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 GRB240516.15 (trigger No 737523389,13h 31m 43.99s , -65d 37m 00.1s, R=11.05) errorbox 13 sec after notice time and 48 sec after trigger time at 2024-05-16 03:37:13 UT, with upper limit up to 17.3 mag. The observations began at zenith distance = 65 deg. The sun altitude is -21.9 deg. The galactic latitude b = -3 deg., longitude l = 307 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2458697 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 54 | 2024-05-16 03:37:13 | MASTER-SAAO | (14h 06m 48.06s , -63d 12m 45.4s) | P\\ | 10 | 16.5 | 54 | 2024-05-16 03:37:13 | MASTER-SAAO | (14h 10m 51.79s , -63d 25m 41.7s) | P/ | 10 | 16.4 | 72 | 2024-05-16 03:37:31 | MASTER-SAAO | (14h 06m 48.13s , -63d 12m 43.6s) | P\\ | 10 | 16.5 | 72 | 2024-05-16 03:37:31 | MASTER-SAAO | (14h 10m 51.77s , -63d 25m 39.5s) | P/ | 10 | 16.3 | 97 | 2024-05-16 03:37:51 | MASTER-SAAO | (14h 06m 48.21s , -63d 12m 41.4s) | P\\ | 20 | 16.8 | 97 | 2024-05-16 03:37:51 | MASTER-SAAO | (14h 10m 51.82s , -63d 25m 37.3s) | P/ | 20 | 16.6 | 125 | 2024-05-16 03:38:19 | MASTER-SAAO | (14h 06m 48.25s , -63d 12m 39.1s) | P\\ | 20 | 16.8 | 125 | 2024-05-16 03:38:19 | MASTER-SAAO | (14h 10m 51.88s , -63d 25m 34.9s) | P/ | 20 | 16.5 | 158 | 2024-05-16 03:38:47 | MASTER-SAAO | (14h 06m 48.43s , -63d 12m 36.9s) | P\\ | 30 | 17.1 | 158 | 2024-05-16 03:38:47 | MASTER-SAAO | (14h 10m 52.07s , -63d 25m 32.7s) | P/ | 30 | 16.8 | 196 | 2024-05-16 03:39:25 | MASTER-SAAO | (14h 06m 48.50s , -63d 12m 34.7s) | P\\ | 30 | 16.9 | 196 | 2024-05-16 03:39:25 | MASTER-SAAO | (14h 10m 52.07s , -63d 25m 30.8s) | P/ | 30 | 16.7 | 239 | 2024-05-16 03:40:03 | MASTER-SAAO | (14h 06m 48.68s , -63d 12m 32.2s) | P\\ | 40 | 17.2 | 239 | 2024-05-16 03:40:03 | MASTER-SAAO | (14h 10m 52.21s , -63d 25m 28.5s) | P/ | 40 | 16.8 | 292 | 2024-05-16 03:40:51 | MASTER-SAAO | (14h 06m 48.87s , -63d 12m 29.7s) | P\\ | 50 | 17.3 | 292 | 2024-05-16 03:40:51 | MASTER-SAAO | (14h 10m 52.37s , -63d 25m 26.1s) | P/ | 50 | 16.9 | 355 | 2024-05-16 03:41:49 | MASTER-SAAO | (14h 06m 49.63s , -63d 12m 30.8s) | P\\ | 60 | 16.2 | 355 | 2024-05-16 03:41:49 | MASTER-SAAO | (14h 10m 51.81s , -63d 25m 27.7s) | P/ | 60 | 16.3 | 434 | 2024-05-16 03:43:09 | MASTER-SAAO | (14h 06m 49.89s , -63d 12m 27.9s) | P\\ | 60 | 16.4 | 434 | 2024-05-16 03:43:09 | MASTER-SAAO | (14h 10m 52.11s , -63d 25m 25.0s) | P/ | 60 | 16.4 | 514 | 2024-05-16 03:44:28 | MASTER-SAAO | (14h 06m 50.21s , -63d 12m 25.7s) | P\\ | 60 | 16.5 | 514 | 2024-05-16 03:44:28 | MASTER-SAAO | (14h 10m 52.33s , -63d 25m 23.2s) | P/ | 60 | 16.3 | 593 | 2024-05-16 03:45:48 | MASTER-SAAO | (14h 06m 50.46s , -63d 12m 23.5s) | P\\ | 60 | 16.5 | 593 | 2024-05-16 03:45:48 | MASTER-SAAO | (14h 10m 52.58s , -63d 25m 21.0s) | P/ | 60 | 16.5 | 673 | 2024-05-16 03:47:07 | MASTER-SAAO | (14h 06m 50.75s , -63d 12m 21.6s) | P\\ | 60 | 16.5 | 673 | 2024-05-16 03:47:07 | MASTER-SAAO | (14h 10m 52.79s , -63d 25m 19.4s) | P/ | 60 | 16.4 | 752 | 2024-05-16 03:48:27 | MASTER-SAAO | (14h 06m 51.07s , -63d 12m 19.9s) | P\\ | 60 | 16.5 | 752 | 2024-05-16 03:48:27 | MASTER-SAAO | (14h 10m 53.11s , -63d 25m 17.9s) | P/ | 60 | 16.3 | 832 | 2024-05-16 03:49:46 | MASTER-SAAO | (14h 06m 51.34s , -63d 12m 18.3s) | P\\ | 60 | 16.3 | 832 | 2024-05-16 03:49:46 | MASTER-SAAO | (14h 10m 53.36s , -63d 25m 16.1s) | P/ | 60 | 16.3 | 912 | 2024-05-16 03:51:06 | MASTER-SAAO | (14h 06m 51.61s , -63d 12m 16.9s) | P\\ | 60 | 16.5 | 912 | 2024-05-16 03:51:06 | MASTER-SAAO | (14h 10m 53.68s , -63d 25m 14.6s) | P/ | 60 | 16.4 | 991 | 2024-05-16 03:52:26 | MASTER-SAAO | (14h 06m 51.93s , -63d 12m 15.5s) | P\\ | 60 | 16.3 | 991 | 2024-05-16 03:52:26 | MASTER-SAAO | (14h 10m 53.94s , -63d 25m 13.2s) | P/ | 60 | 16.3 | 1071 | 2024-05-16 03:53:45 | MASTER-SAAO | (14h 06m 52.29s , -63d 12m 14.1s) | P\\ | 60 | 16.4 | 1071 | 2024-05-16 03:53:45 | MASTER-SAAO | (14h 10m 54.16s , -63d 25m 11.9s) | P/ | 60 | 16.3 | 1151 | 2024-05-16 03:55:05 | MASTER-SAAO | (14h 06m 52.61s , -63d 12m 12.7s) | P\\ | 60 | 16.5 | 1151 | 2024-05-16 03:55:05 | MASTER-SAAO | (14h 10m 54.44s , -63d 25m 10.6s) | P/ | 60 | 16.4 | 1230 | 2024-05-16 03:56:24 | MASTER-SAAO | (14h 06m 52.97s , -63d 12m 11.1s) | P\\ | 60 | 16.5 | 1230 | 2024-05-16 03:56:24 | MASTER-SAAO | (14h 10m 54.65s , -63d 25m 09.2s) | P/ | 60 | 16.4 | 1310 | 2024-05-16 03:57:44 | MASTER-SAAO | (14h 06m 53.31s , -63d 12m 09.9s) | P\\ | 60 | 16.3 | The observation and reduction will continue. 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