[vsnet-grb-info 26456] Fermi trigger No 623493962: Global MASTER-Net observations report

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  28556
SUBJECT: Fermi  trigger No 623493962: Global MASTER-Net observations report 
DATE:    20/10/04 12:45:16 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov at 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,  D. Cheryasov
(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. 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-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the Fermi GRB201004.37 (trigger No 623493962,02h 24m 36.00s , +63d 15m 00.0s, R=7.77) errorbox  10243 sec after notice time and 10314 sec after trigger time at 2020-10-04 11:37:52 UT, with upper limit up to  18.8 mag. Observations started at twilight.  The observations began at zenith distance = 51 deg. The sun  altitude  is -10.2 deg. 

The galactic latitude b =  3 deg., longitude l = 134 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1454650

We obtain a following upper limits.  

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

   10345 | 2020-10-04 11:37:52 |        MASTER-Tunka | (02h 15m 20.01s , +63d 35m 20.1s) |   C |    60 | 17.5 |        
   10424 | 2020-10-04 11:39:11 |        MASTER-Tunka | (02h 06m 24.83s , +61d 37m 04.3s) |   C |    60 | 17.6 |        
   10504 | 2020-10-04 11:40:31 |        MASTER-Tunka | (02h 25m 58.44s , +65d 37m 08.3s) |   C |    60 | 17.8 |        
   10583 | 2020-10-04 11:41:50 |        MASTER-Tunka | (02h 40m 19.29s , +61d 37m 19.2s) |   C |    60 | 17.5 |        
   10663 | 2020-10-04 11:43:10 |        MASTER-Tunka | (02h 15m 26.22s , +63d 36m 25.7s) |   C |    60 | 18.0 |        
   10742 | 2020-10-04 11:44:29 |        MASTER-Tunka | (02h 33m 30.30s , +63d 35m 22.6s) |   C |    60 | 17.9 |        
   10822 | 2020-10-04 11:45:49 |        MASTER-Tunka | (02h 06m 28.05s , +61d 35m 35.6s) |   C |    60 | 18.1 |        
   10901 | 2020-10-04 11:47:08 |        MASTER-Tunka | (02h 23m 23.71s , +61d 37m 18.0s) |   C |    60 | 18.1 |        
   10981 | 2020-10-04 11:48:28 |        MASTER-Tunka | (02h 25m 55.34s , +65d 35m 51.9s) |   C |    60 | 18.5 |        
   11068 | 2020-10-04 11:49:55 |        MASTER-Tunka | (02h 45m 32.32s , +65d 37m 13.9s) |   C |    60 | 18.4 |        
   11148 | 2020-10-04 11:51:15 |        MASTER-Tunka | (02h 40m 19.03s , +61d 36m 28.3s) |   C |    60 | 18.0 |        
   11227 | 2020-10-04 11:52:34 |        MASTER-Tunka | (02h 57m 18.88s , +61d 37m 28.4s) |   C |    60 | 18.0 |        
   11306 | 2020-10-04 11:53:54 |        MASTER-Tunka | (02h 33m 38.61s , +63d 36m 32.7s) |   C |    60 | 18.4 |        
   11386 | 2020-10-04 11:55:13 |        MASTER-Tunka | (02h 23m 21.09s , +61d 35m 35.9s) |   C |    60 | 18.4 |        
   11474 | 2020-10-04 11:56:41 |        MASTER-Tunka | (02h 45m 33.56s , +65d 35m 34.8s) |   C |    60 | 18.6 |        
   11553 | 2020-10-04 11:58:00 |        MASTER-Tunka | (02h 57m 21.91s , +61d 37m 17.9s) |   C |    60 | 17.7 |        
   11633 | 2020-10-04 11:59:20 |        MASTER-Tunka | (02h 30m 38.04s , +59d 37m 32.4s) |   C |    60 | 18.3 |        
   11714 | 2020-10-04 12:00:41 |        MASTER-Tunka | (01h 58m 40.50s , +59d 37m 52.4s) |   C |    60 | 18.5 |        
   11802 | 2020-10-04 12:02:10 |        MASTER-Tunka | (01h 46m 43.99s , +65d 35m 57.4s) |   C |    60 | 18.8 |        
   11890 | 2020-10-04 12:03:37 |        MASTER-Tunka | (01h 39m 03.90s , +63d 37m 50.9s) |   C |    60 | 18.6 |        
   11969 | 2020-10-04 12:04:57 |        MASTER-Tunka | (02h 51m 48.79s , +63d 37m 30.7s) |   C |    60 | 18.3 |        
   12468 | 2020-10-04 12:13:15 |        MASTER-Tunka | (02h 30m 38.15s , +59d 37m 17.3s) |   C |    60 | 18.2 |        
   12549 | 2020-10-04 12:14:36 |        MASTER-Tunka | (02h 46m 30.65s , +59d 36m 12.3s) |   C |    60 | 17.9 |        
   12628 | 2020-10-04 12:15:55 |        MASTER-Tunka | (01h 58m 46.80s , +59d 36m 35.8s) |   C |    60 | 18.4 |        
   12707 | 2020-10-04 12:17:14 |        MASTER-Tunka | (02h 14m 39.72s , +59d 37m 51.8s) |   C |    60 | 18.2 |        
   12787 | 2020-10-04 12:18:34 |        MASTER-Tunka | (01h 46m 46.87s , +65d 36m 41.1s) |   C |    60 | 18.7 |        
   12867 | 2020-10-04 12:19:54 |        MASTER-Tunka | (02h 06m 25.66s , +65d 38m 14.9s) |   C |    60 | 18.7 |        
   12947 | 2020-10-04 12:21:14 |        MASTER-Tunka | (01h 39m 00.01s , +63d 37m 38.1s) |   C |    60 | 18.4 |        
   13026 | 2020-10-04 12:22:33 |        MASTER-Tunka | (01h 57m 10.98s , +63d 38m 31.0s) |   C |    60 | 18.4 |        
   13105 | 2020-10-04 12:23:53 |        MASTER-Tunka | (02h 51m 50.71s , +63d 37m 16.6s) |   C |    60 | 18.1 |        
   13185 | 2020-10-04 12:25:12 |        MASTER-Tunka | (03h 09m 54.46s , +63d 36m 16.6s) |   C |    60 | 18.1 |        
   13336 | 2020-10-04 12:27:43 |        MASTER-Tunka | (02h 14m 42.31s , +59d 38m 31.1s) |   C |    60 | 18.1 |        
   13416 | 2020-10-04 12:29:03 |        MASTER-Tunka | (02h 06m 19.51s , +65d 37m 34.8s) |   C |    60 | 18.6 |        
Filter C is a clear (unfiltred) band. 


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