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GCN Circular 28427

Subject
Fermi GRB 200914A: Global MASTER-Net observations report
Date
2020-09-15T21:19:52Z (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),

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 GRB 200914A ( Fermi GBM team, GCN 28417Not found
 
 
) errorbox  38039 sec after notice time and 38210 sec after trigger time at 2020-09-14 23:25:20 UT, with upper limit up to  18.1 mag. Observations started at twilight.  The observations began at zenith distance = 20 deg. The sun  altitude  is -13.4 deg. 

The galactic latitude b =  2 deg., longitude l = 348 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1440752

We obtain a following upper limits.  

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

   38301 | 2020-09-14 23:25:20 |         MASTER-OAFA | (16h 56m 29.13s , -36d 56m 30.6s) |   C |   180 | 17.7 |        
   38481 | 2020-09-14 23:25:20 |         MASTER-OAFA | (16h 56m 29.13s , -36d 56m 30.6s) |   C |   540 | 18.0 |  Coadd 
   39111 | 2020-09-14 23:25:20 |         MASTER-OAFA | (16h 56m 29.13s , -36d 56m 30.6s) |   C |  1800 | 18.1 |  Coadd 
   38500 | 2020-09-14 23:28:40 |         MASTER-OAFA | (16h 56m 34.98s , -36d 57m 34.1s) |   C |   180 | 17.9 |        
   38700 | 2020-09-14 23:31:59 |         MASTER-OAFA | (16h 56m 29.91s , -36d 58m 36.1s) |   C |   180 | 17.9 |        
   38899 | 2020-09-14 23:35:19 |         MASTER-OAFA | (16h 56m 34.57s , -36d 58m 21.9s) |   C |   180 | 17.9 |        
   39079 | 2020-09-14 23:35:19 |         MASTER-OAFA | (16h 56m 34.57s , -36d 58m 22.0s) |   C |   540 | 18.1 |  Coadd 
   39099 | 2020-09-14 23:38:39 |         MASTER-OAFA | (16h 56m 32.35s , -36d 57m 01.7s) |   C |   180 | 18.0 |        
   39299 | 2020-09-14 23:41:58 |         MASTER-OAFA | (16h 56m 32.25s , -36d 58m 28.7s) |   C |   180 | 17.9 |        
   39498 | 2020-09-14 23:45:18 |         MASTER-OAFA | (16h 56m 35.42s , -36d 56m 54.9s) |   C |   180 | 18.0 |        
   39678 | 2020-09-14 23:45:18 |         MASTER-OAFA | (16h 56m 35.42s , -36d 56m 54.9s) |   C |   540 | 18.1 |  Coadd 
   39698 | 2020-09-14 23:48:37 |         MASTER-OAFA | (16h 56m 29.19s , -36d 57m 42.1s) |   C |   180 | 17.9 |        
   39897 | 2020-09-14 23:51:57 |         MASTER-OAFA | (16h 56m 28.00s , -36d 56m 42.3s) |   C |   180 | 17.9 |        
   40097 | 2020-09-14 23:55:16 |         MASTER-OAFA | (16h 56m 35.44s , -36d 57m 43.0s) |   C |   180 | 18.0 |        
   40277 | 2020-09-14 23:55:16 |         MASTER-OAFA | (16h 56m 35.44s , -36d 57m 43.0s) |   C |   540 | 18.1 |  Coadd 
   40296 | 2020-09-14 23:58:36 |         MASTER-OAFA | (16h 56m 27.73s , -36d 58m 42.5s) |   C |   180 | 18.0 |        
   40495 | 2020-09-15 00:01:55 |         MASTER-OAFA | (16h 56m 34.80s , -36d 58m 34.5s) |   C |   180 | 18.0 |        
   40695 | 2020-09-15 00:05:15 |         MASTER-OAFA | (16h 56m 31.42s , -36d 56m 51.9s) |   C |   180 | 18.0 |        
   40875 | 2020-09-15 00:05:15 |         MASTER-OAFA | (16h 56m 31.42s , -36d 56m 51.9s) |   C |   540 | 18.1 |  Coadd 
   40894 | 2020-09-15 00:08:34 |         MASTER-OAFA | (16h 56m 31.25s , -36d 58m 30.5s) |   C |   180 | 18.0 |        
   41094 | 2020-09-15 00:11:53 |         MASTER-OAFA | (16h 56m 33.29s , -36d 56m 54.6s) |   C |   180 | 18.0 |        
   41293 | 2020-09-15 00:15:13 |         MASTER-OAFA | (16h 56m 27.73s , -36d 57m 44.2s) |   C |   180 | 18.0 |        
   41473 | 2020-09-15 00:15:13 |         MASTER-OAFA | (16h 56m 27.73s , -36d 57m 44.2s) |   C |   540 | 18.1 |  Coadd 
   41493 | 2020-09-15 00:18:32 |         MASTER-OAFA | (16h 56m 26.87s , -36d 56m 44.4s) |   C |   180 | 18.0 |        
   41692 | 2020-09-15 00:21:52 |         MASTER-OAFA | (16h 56m 34.63s , -36d 57m 44.6s) |   C |   180 | 18.0 |        
Filter C is a clear (unfiltred) band. 


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