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GCN Circular 24779

Subject
Fermi trigger No 581882394 Global MASTER-Net observations report
Date
2019-06-10T19:01:21Z (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-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the Fermi GRB190610.75 (trigger No 581882394, 21h 49m 31.20s , +42d 25m 12.00s, R=1.21) errorbox  84 sec after trigger time at 2019-06-10 18:01:14 UT, with upper limit up to  15.8 mag. Observations started at twilight.  The observations began at zenit distance = 77 deg. The sun  altitude  is -11.0 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB190610.75 errorbox  2261 sec after trigger time at 2019-06-10 18:37:31 UT, with upper limit up to  14.9 mag. Observations started at twilight.  The observations began at zenit distance = 76 deg. The sun  altitude  is -10.8 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=1044726

We obtain a following upper limits.  

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

      94 | 2019-06-10 18:01:14 |   MASTER-Kislovodsk | ( 21h 40m 04.48s , +43d 50m 10.56s) |   C |    20 | 13.3 |        
     143 | 2019-06-10 18:01:58 |   MASTER-Kislovodsk | ( 21h 40m 04.66s , +43d 50m 12.85s) |   C |    30 | 14.4 |        
     143 | 2019-06-10 18:01:58 |   MASTER-Kislovodsk | ( 21h 51m 10.41s , +43d 21m 31.03s) |   C |    30 | 13.5 |        
     202 | 2019-06-10 18:02:52 |   MASTER-Kislovodsk | ( 21h 40m 04.82s , +43d 50m 12.90s) |   C |    40 | 14.6 |        
     202 | 2019-06-10 18:02:52 |   MASTER-Kislovodsk | ( 21h 51m 10.57s , +43d 21m 30.22s) |   C |    40 | 13.5 |        
     271 | 2019-06-10 18:03:56 |   MASTER-Kislovodsk | ( 21h 40m 04.93s , +43d 50m 12.82s) |   C |    50 | 14.5 |        
     271 | 2019-06-10 18:03:56 |   MASTER-Kislovodsk | ( 21h 51m 10.68s , +43d 21m 30.10s) |   C |    50 | 13.3 |        
     351 | 2019-06-10 18:05:10 |   MASTER-Kislovodsk | ( 21h 51m 10.84s , +43d 21m 31.03s) |   C |    60 | 13.6 |        
     351 | 2019-06-10 18:05:10 |   MASTER-Kislovodsk | ( 21h 40m 04.95s , +43d 50m 14.53s) |   C |    60 | 15.1 |        
     616 | 2019-06-10 18:09:11 |   MASTER-Kislovodsk | ( 21h 49m 43.69s , +42d 29m 01.43s) |  P- |   110 | 15.5 |        
     616 | 2019-06-10 18:09:11 |   MASTER-Kislovodsk | ( 21h 49m 35.77s , +41d 59m 54.84s) |  P| |   110 | 15.5 |        
     765 | 2019-06-10 18:11:25 |   MASTER-Kislovodsk | ( 21h 49m 43.85s , +42d 29m 03.23s) |  P- |   140 | 15.8 |        
     765 | 2019-06-10 18:11:25 |   MASTER-Kislovodsk | ( 21h 49m 36.13s , +41d 59m 56.03s) |  P| |   140 | 15.8 |        
     944 | 2019-06-10 18:14:09 |   MASTER-Kislovodsk | ( 21h 49m 43.88s , +42d 29m 08.97s) |  P- |   170 | 14.7 |        
     944 | 2019-06-10 18:14:09 |   MASTER-Kislovodsk | ( 21h 49m 36.42s , +42d  0m 00.52s) |  P| |   170 | 14.0 |        
    1227 | 2019-06-10 18:18:47 |   MASTER-Kislovodsk | ( 21h 49m 44.25s , +42d 29m 48.18s) |  P- |   180 | 14.1 |        
    1227 | 2019-06-10 18:18:47 |   MASTER-Kislovodsk | ( 21h 49m 35.94s , +41d 58m 46.17s) |  P| |   180 | 13.2 |        
    1516 | 2019-06-10 18:23:35 |   MASTER-Kislovodsk | ( 21h 49m 43.60s , +42d 29m 07.22s) |  P- |   180 | 14.3 |        
    1516 | 2019-06-10 18:23:35 |   MASTER-Kislovodsk | ( 21h 49m 36.85s , +41d 59m 39.20s) |  P| |   180 | 13.2 |        
    1804 | 2019-06-10 18:28:24 |   MASTER-Kislovodsk | ( 21h 49m 43.65s , +42d 29m 09.50s) |  P- |   180 | 14.6 |        
    1804 | 2019-06-10 18:28:24 |   MASTER-Kislovodsk | ( 21h 49m 37.92s , +42d  1m 52.48s) |  P| |   180 | 13.4 |        
    2291 | 2019-06-10 18:37:31 |      MASTER-Tavrida | ( 21h 48m 35.45s , +41d 56m 19.24s) |   C |    60 | 14.9 |        
Filter C is a clear (unfiltred) band. 


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