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GCN Circular 27327

Subject
Swift GRB200306.95: Global MASTER-Net observations report
Date
2020-03-06T23:04:08Z (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-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) was pointed to the Swift GRB200306.95 (trigger No 960102,13h 14m 19.68s , +11d 15m 18.0s, R=0.05) errorbox  18 sec after notice time and 63 sec after trigger time at 2020-03-06 22:51:42 UT, with upper limit up to  18.9 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -47.4 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the Swift GRB200306.95 errorbox  40 sec after notice time and 85 sec after trigger time at 2020-03-06 22:52:04 UT, with upper limit up to  18.9 mag. The observations began at zenith distance = 36 deg. The sun  altitude  is -49.3 deg. 

The galactic latitude b = 73 deg., longitude l = 324 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1306689

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      69 |   MASTER-Kislovodsk |  P- |    10 | 16.9 |        
      89 |   MASTER-Kislovodsk |  P- |    50 | 18.0 |  Coadd 
      69 |   MASTER-Kislovodsk |  P| |    10 | 16.8 |        
      89 |   MASTER-Kislovodsk |  P| |    50 | 17.9 |  Coadd 
      91 |   MASTER-Kislovodsk |  P- |    20 | 17.4 |        
      91 |   MASTER-Kislovodsk |  P| |    20 | 17.2 |        
      96 |      MASTER-Tavrida |   C |    20 | 17.5 |        
     121 |      MASTER-Tavrida |   C |    70 | 18.2 |  Coadd 
     117 |   MASTER-Kislovodsk |  P- |    20 | 17.3 |        
     117 |   MASTER-Kislovodsk |  P| |    20 | 17.2 |        
     136 |      MASTER-Tavrida |   C |    20 | 17.5 |        
     149 |   MASTER-Kislovodsk |  P- |    30 | 17.1 |        
     149 |   MASTER-Kislovodsk |  P| |    30 | 17.5 |        
     184 |   MASTER-Kislovodsk |  P| |   100 | 18.3 |  Coadd 
     181 |      MASTER-Tavrida |   C |    30 | 17.7 |        
     185 |   MASTER-Kislovodsk |  P- |    30 | 17.6 |        
     230 |   MASTER-Kislovodsk |  P- |   120 | 18.5 |  Coadd 
     185 |   MASTER-Kislovodsk |  P| |    30 | 17.5 |        
     227 |   MASTER-Kislovodsk |  P- |    40 | 17.9 |        
     227 |   MASTER-Kislovodsk |  P| |    40 | 17.6 |        
     237 |      MASTER-Tavrida |   C |    40 | 18.0 |        
     297 |      MASTER-Tavrida |   C |   160 | 18.9 |  Coadd 
     278 |   MASTER-Kislovodsk |  P- |    50 | 18.1 |        
     278 |   MASTER-Kislovodsk |  P| |    50 | 17.8 |        
     343 |   MASTER-Kislovodsk |  P| |   180 | 18.6 |  Coadd 
     302 |      MASTER-Tavrida |   C |    50 | 18.2 |        
     340 |   MASTER-Kislovodsk |  P- |    60 | 18.2 |        
     420 |   MASTER-Kislovodsk |  P- |   220 | 18.9 |  Coadd 
     340 |   MASTER-Kislovodsk |  P| |    60 | 17.9 |        
     383 |      MASTER-Tavrida |   C |    70 | 18.3 |        
     411 |   MASTER-Kislovodsk |  P- |    70 | 18.2 |        
     411 |   MASTER-Kislovodsk |  P| |    70 | 18.1 |        
     483 |      MASTER-Tavrida |   C |    90 | 18.5 |        
     498 |   MASTER-Kislovodsk |  P- |    90 | 18.2 |        
     498 |   MASTER-Kislovodsk |  P| |    90 | 18.1 |        
     605 |   MASTER-Kislovodsk |  P- |   110 | 18.2 |        
     605 |   MASTER-Kislovodsk |  P| |   110 | 18.4 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
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