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GCN Circular 25980

Subject
Fermi trigger No 592211224: Global MASTER-Net observations report
Date
2019-10-08T08:31:13Z (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-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB191008.3 (trigger No 592211224,04h 08m 07.200s , +40d 38m 24.00s, R=14.15) errorbox  2254 sec after notice time and 2296 sec after trigger time at 2019-10-08 07:45:15 UT, with upper limit up to  18.9 mag. The observations began at zenit distance = 62 deg. The sun  altitude  is -29.3 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=1160341

We obtain a following upper limits.  

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

    2387 | 2019-10-08 07:45:15 |         MASTER-OAFA | (04h 05m 11.046s , +31d 20m 01.09s) |   C |   180 | 18.2 |        
    2610 | 2019-10-08 07:48:58 |         MASTER-OAFA | (04h 05m 10.685s , +31d 19m 50.48s) |   C |   180 | 18.5 |        
    2833 | 2019-10-08 07:52:42 |         MASTER-OAFA | (04h 05m 12.821s , +29d 19m 55.18s) |   C |   180 | 18.8 |        
    3055 | 2019-10-08 07:56:24 |         MASTER-OAFA | (04h 05m 12.435s , +29d 20m 16.38s) |   C |   180 | 18.8 |        
    3277 | 2019-10-08 08:00:05 |         MASTER-OAFA | (04h 05m 12.012s , +27d 20m 17.03s) |   C |   180 | 18.7 |        
    3506 | 2019-10-08 08:03:54 |         MASTER-OAFA | (04h 05m 11.863s , +27d 19m 56.61s) |   C |   180 | 18.7 |        
    3735 | 2019-10-08 08:07:43 |         MASTER-OAFA | (04h 12m 12.109s , +29d 20m 08.63s) |   C |   180 | 18.9 |        
    3957 | 2019-10-08 08:11:26 |         MASTER-OAFA | (04h 12m 12.013s , +29d 20m 29.34s) |   C |   180 | 18.9 |        
    4186 | 2019-10-08 08:15:14 |         MASTER-OAFA | (04h 20m 10.589s , +29d 20m 42.69s) |   C |   180 | 18.8 |        
    4409 | 2019-10-08 08:18:57 |         MASTER-OAFA | (04h 20m 10.425s , +29d 20m 20.86s) |   C |   180 | 18.8 |        
    4632 | 2019-10-08 08:22:41 |         MASTER-OAFA | (03h 57m 11.593s , +29d 19m 40.78s) |   C |   180 | 18.6 |        
Filter C is a clear (unfiltred) band. 


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