//////////////////////////////////////////////////////////////////////// TITLE: GCN CIRCULAR NUMBER: 24127 SUBJECT: Fermi GRB190417.46 Global MASTER-Net observations report DATE: 19/04/18 11:46:18 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-IAC robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Spain (IAC Teide Observatory) started inspect of the Fermi GRB190417.46 ( 19h 33m 40.01s , - 0d 58m 59.88s, R=37.0167) errorbox 63754 sec after trigger time at 2019-04-18 04:50:53 UT, with upper limit up to 19.1 mag. The observations began at zenit distance = 41 deg. The sun altitude is -22.6 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB190417.46 errorbox 75579 sec after trigger time at 2019-04-18 08:07:57 UT, with upper limit up to 17.2 mag. The observations began at zenit distance = 44 deg. The sun altitude is -36.7 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=999685 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|___________________________________|_____|_______|_______|________ 63785 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 41.43s , +24d 5m 02.28s) | C | 60 | 18.4 | 63845 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 41.43s , +24d 5m 02.29s) | C | 180 | 19.0 | Coadd 63786 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 43.88s , +24d 1m 39.46s) | C | 60 | 18.4 | 63846 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 43.88s , +24d 1m 39.46s) | C | 180 | 19.1 | Coadd 63903 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 40.42s , +24d 5m 01.34s) | C | 60 | 18.3 | 63904 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 42.74s , +24d 1m 38.07s) | C | 60 | 18.4 | 64009 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 42.70s , +24d 1m 16.61s) | C | 60 | 18.4 | 64011 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 40.48s , +24d 4m 40.07s) | C | 60 | 18.4 | 64116 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 12.91s , +24d 4m 16.21s) | C | 60 | 18.2 | 64176 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 12.92s , +24d 4m 16.20s) | C | 180 | 18.8 | Coadd 64116 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 15.05s , +24d 0m 52.57s) | C | 60 | 18.4 | 64176 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 15.05s , +24d 0m 52.56s) | C | 180 | 19.1 | Coadd 64232 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 12.89s , +24d 4m 35.35s) | C | 60 | 18.1 | 64232 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 15.10s , +24d 1m 11.90s) | C | 60 | 18.4 | 64344 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 13.78s , +24d 1m 11.66s) | C | 60 | 18.3 | 64353 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 11.40s , +24d 4m 34.39s) | C | 60 | 18.0 | 64513 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 08.79s , +26d 4m 14.40s) | C | 60 | 18.2 | 64573 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 08.79s , +26d 4m 14.42s) | C | 180 | 18.8 | Coadd 64513 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 20.39s , +26d 0m 49.83s) | C | 60 | 18.3 | 64573 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 20.39s , +26d 0m 49.84s) | C | 180 | 19.1 | Coadd 64623 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 10.25s , +26d 4m 13.91s) | C | 60 | 18.1 | 64623 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 21.84s , +26d 0m 49.22s) | C | 60 | 18.3 | 64734 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 10.24s , +26d 4m 33.87s) | C | 60 | 18.2 | 64735 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 21.80s , +26d 1m 09.19s) | C | 60 | 18.4 | 65879 | 2019-04-18 04:50:53 | MASTER-IAC | ( 21h 49m 47.81s , - 4d 1m 05.67s) | C | 60 | 17.6 | 65879 | 2019-04-18 04:50:53 | MASTER-IAC | ( 21h 57m 57.39s , - 4d 4m 04.53s) | C | 60 | 17.5 | 65983 | 2019-04-18 04:50:53 | MASTER-IAC | ( 21h 59m 31.35s , + 7d 58m 47.70s) | C | 60 | 16.9 | 66486 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 42.81s , +24d 3m 58.89s) | C | 60 | 18.3 | 66546 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 42.81s , +24d 3m 58.88s) | C | 180 | 19.0 | Coadd 66491 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 42.12s , +24d 0m 54.83s) | C | 60 | 18.4 | 66551 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 42.12s , +24d 0m 54.83s) | C | 180 | 19.0 | Coadd 66649 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 42.11s , +24d 1m 14.26s) | C | 60 | 18.3 | 66649 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 42.77s , +24d 4m 17.63s) | C | 60 | 18.2 | 66762 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 42m 41.62s , +24d 4m 16.80s) | C | 60 | 18.2 | 66762 | 2019-04-18 04:50:53 | MASTER-IAC | ( 17h 51m 41.03s , +24d 1m 13.20s) | C | 60 | 18.3 | 66886 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 12.63s , +24d 3m 34.00s) | C | 60 | 18.3 | 66946 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 12.63s , +24d 3m 34.01s) | C | 180 | 18.9 | Coadd 66887 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 12.21s , +24d 0m 30.26s) | C | 60 | 18.5 | 66947 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 12.21s , +24d 0m 30.22s) | C | 180 | 19.1 | Coadd 66999 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 13.74s , +24d 0m 29.64s) | C | 60 | 18.4 | 67000 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 13.95s , +24d 3m 33.52s) | C | 60 | 18.2 | 67109 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 13.87s , +24d 3m 53.11s) | C | 60 | 18.1 | 67110 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 13.76s , +24d 0m 49.39s) | C | 60 | 18.4 | 67219 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 09.91s , +26d 3m 52.42s) | C | 60 | 18.0 | 67279 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 09.91s , +26d 3m 52.43s) | C | 180 | 18.6 | Coadd 67219 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 18.88s , +26d 0m 47.68s) | C | 60 | 18.2 | 67279 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 18.89s , +26d 0m 47.67s) | C | 180 | 18.8 | Coadd 67350 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 09.80s , +26d 3m 32.23s) | C | 60 | 18.0 | 67350 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 18.88s , +26d 0m 27.51s) | C | 60 | 18.1 | 67462 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 0m 11.23s , +26d 3m 31.18s) | C | 60 | 17.8 | 67462 | 2019-04-18 04:50:53 | MASTER-IAC | ( 18h 9m 20.29s , +26d 0m 26.99s) | C | 60 | 18.1 | 67706 | 2019-04-18 04:50:53 | MASTER-IAC | ( 21h 49m 47.32s , - 4d 0m 51.17s) | C | 60 | 16.8 | 67706 | 2019-04-18 04:50:53 | MASTER-IAC | ( 21h 57m 57.96s , - 4d 3m 45.81s) | C | 60 | 17.2 | 67829 | 2019-04-18 04:50:53 | MASTER-IAC | ( 21h 59m 29.29s , + 7d 58m 44.90s) | C | 60 | 16.0 | 75609 | 2019-04-18 04:50:53 | MASTER-OAFA | ( 21h 59m 40.58s , -12d 5m 56.75s) | C | 60 | 15.7 | 75975 | 2019-04-18 04:50:53 | MASTER-OAFA | ( 21h 59m 42.28s , -12d 5m 33.61s) | C | 60 | 16.0 | 76302 | 2019-04-18 04:50:53 | MASTER-OAFA | ( 21h 59m 43.06s , -12d 5m 25.95s) | C | 60 | 16.5 | 77155 | 2019-04-18 04:50:53 | MASTER-OAFA | ( 21h 59m 42.98s , - 8d 5m 39.72s) | C | 60 | 16.7 | 77583 | 2019-04-18 04:50:53 | MASTER-OAFA | ( 21h 59m 43.35s , - 8d 5m 37.29s) | C | 60 | 16.8 | 78004 | 2019-04-18 04:50:53 | MASTER-OAFA | ( 21h 59m 43.74s , - 8d 5m 35.99s) | C | 60 | 17.2 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.