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GCN Circular 26025

Subject
Fermi trigger No 593045905: Global MASTER-Net observations report
Date
2019-10-17T23:31:15Z (5 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
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 GRB191017.96 (trigger No 593045905,08h 54m 02.400s , +00d 40m 48.00s, R=8.83) errorbox  474 sec after notice time and 593 sec after trigger time at 2019-10-17 23:08:13 UT, with upper limit up to  17.7 mag. The observations began at zenit distance = 78 deg. The sun  altitude  is -49.1 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=1170098

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     623 | 2019-10-17 23:08:13 |      MASTER-Tavrida | (08h 32m 41.444s , +08d 01m 59.50s) |   C |    60 | 17.0 |        
     736 | 2019-10-17 23:10:06 |      MASTER-Tavrida | (08h 12m 53.649s , +04d 00m 59.01s) |   C |    60 | 16.7 |        
     846 | 2019-10-17 23:11:56 |      MASTER-Tavrida | (08h 35m 33.650s , +10d 02m 00.86s) |   C |    60 | 17.1 |        
    1020 | 2019-10-17 23:13:50 |      MASTER-Tavrida | (08h 35m 33.575s , +10d 02m 00.56s) |   C |   180 | 17.7 |        
    1190 | 2019-10-17 23:17:40 |      MASTER-Tavrida | (08h 32m 41.297s , +08d 01m 29.46s) |   C |    60 | 17.1 |        
    1299 | 2019-10-17 23:19:29 |      MASTER-Tavrida | (08h 12m 50.962s , +04d 02m 10.67s) |   C |    60 | 17.0 |        
    1411 | 2019-10-17 23:21:22 |      MASTER-Tavrida | (08h 35m 33.414s , +10d 01m 25.26s) |   C |    60 | 17.3 |        
    1522 | 2019-10-17 23:23:12 |      MASTER-Tavrida | (08h 30m 27.575s , +06d 00m 58.49s) |   C |    60 | 16.9 |        
    1632 | 2019-10-17 23:25:02 |      MASTER-Tavrida | (08h 12m 02.072s , +02d 01m 10.08s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.