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GCN Circular 27961

Subject
Fermi GRB 200616A: Global MASTER-Net observations report
Date
2020-06-16T01:45:23Z (4 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,  D. Cheryasov
(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-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB 200616A ( Fermi GBM team, GCN 27959) errorbox  304 sec after notice time and 338 sec after trigger time at 2020-06-16 01:14:54 UT, with upper limit up to  19.6 mag. The observations began at zenith distance = 72 deg. The sun  altitude  is -54.7 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB 200616A errorbox  601 sec after notice time and 635 sec after trigger time at 2020-06-16 01:19:51 UT, with upper limit up to  17.5 mag. The observations began at zenith distance = 65 deg. The sun  altitude  is -46.2 deg. 

The galactic latitude b = -21 deg., longitude l = 293 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1382729

We obtain a following upper limits.  

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

     369 | 2020-06-16 01:14:54 |         MASTER-SAAO | (07h 30m 34.93s , -75d 53m 38.2s) |   C |    60 | 19.2 |        
     369 | 2020-06-16 01:14:54 |         MASTER-SAAO | (07h 58m 43.08s , -75d 52m 05.2s) |   C |    60 | 19.4 |        
     449 | 2020-06-16 01:16:14 |         MASTER-SAAO | (07h 33m 20.18s , -73d 54m 44.7s) |   C |    60 | 19.3 |        
     449 | 2020-06-16 01:16:14 |         MASTER-SAAO | (07h 58m 04.22s , -73d 53m 20.9s) |   C |    60 | 19.4 |        
     529 | 2020-06-16 01:17:34 |         MASTER-SAAO | (07h 27m 18.60s , -77d 52m 49.4s) |   C |    60 | 19.4 |        
     529 | 2020-06-16 01:17:34 |         MASTER-SAAO | (07h 59m 58.51s , -77d 51m 07.7s) |   C |    60 | 19.5 |        
     639 | 2020-06-16 01:18:54 |         MASTER-SAAO | (07h 34m 37.50s , -72d 09m 47.5s) |   C |   120 | 19.1 |        
     639 | 2020-06-16 01:18:54 |         MASTER-SAAO | (07h 56m 59.49s , -72d 08m 32.7s) |   C |   120 | 19.3 |        
     666 | 2020-06-16 01:19:51 |         MASTER-OAFA | (07h 36m 21.01s , -69d 59m 29.3s) |   C |    60 | 17.1 |        
     789 | 2020-06-16 01:21:14 |         MASTER-SAAO | (07h 34m 44.80s , -72d 09m 15.4s) |   C |   140 | 19.2 |        
     789 | 2020-06-16 01:21:14 |         MASTER-SAAO | (07h 57m 06.26s , -72d 08m 01.5s) |   C |   140 | 19.4 |        
     848 | 2020-06-16 01:22:53 |         MASTER-OAFA | (07h 39m 19.14s , -67d 58m 00.7s) |   C |    60 | 16.9 |        
     963 | 2020-06-16 01:23:53 |         MASTER-SAAO | (07h 34m 41.75s , -72d 07m 44.3s) |   C |   170 | 19.3 |        
     963 | 2020-06-16 01:23:53 |         MASTER-SAAO | (07h 57m 01.51s , -72d 06m 30.2s) |   C |   170 | 19.4 |        
     939 | 2020-06-16 01:24:24 |         MASTER-OAFA | (08h 23m 06.72s , -69d 57m 46.3s) |   C |    60 | 17.5 |        
    1158 | 2020-06-16 01:27:03 |         MASTER-SAAO | (07h 34m 40.92s , -72d 09m 17.0s) |   C |   180 | 19.4 |        
    1158 | 2020-06-16 01:27:03 |         MASTER-SAAO | (07h 57m 02.85s , -72d 08m 03.5s) |   C |   180 | 19.6 |        
Filter C is a clear (unfiltred) band. 


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