[vsnet-grb-info 25359] Fermi trigger No 607035413: Global MASTER-Net observations report

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  27459
SUBJECT: Fermi  trigger No 607035413: Global MASTER-Net observations report 
DATE:    20/03/27 22:31:34 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),

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 200327A ( Fermi GBM team, GCN 27458) errorbox  2773 sec after notice time and 2803 sec after trigger time at 2020-03-27 21:43:31 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 62 deg. The sun  altitude  is -57.6 deg. 

The galactic latitude b = 43 deg., longitude l =  8 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1323666

We obtain a following upper limits.  

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

    2833 | 2020-03-27 21:43:31 |         MASTER-SAAO | (15h 44m 24.56s , -11d 52m 31.7s) |   C |    60 | 19.6 |        
    2833 | 2020-03-27 21:43:31 |         MASTER-SAAO | (15h 51m 31.06s , -11d 51m 56.8s) |   C |    60 | 19.6 |        
    3204 | 2020-03-27 21:49:41 |         MASTER-SAAO | (15h 44m 16.74s , -11d 54m 34.4s) |   C |    60 | 19.6 |        
    3204 | 2020-03-27 21:49:41 |         MASTER-SAAO | (15h 51m 23.36s , -11d 53m 57.9s) |   C |    60 | 19.6 |        
    3667 | 2020-03-27 21:57:25 |         MASTER-SAAO | (15h 37m 49.74s , -09d 53m 23.0s) |   C |    60 | 19.7 |        
    3667 | 2020-03-27 21:57:25 |         MASTER-SAAO | (15h 44m 53.62s , -09d 52m 44.8s) |   C |    60 | 19.7 |        
    3759 | 2020-03-27 21:58:57 |         MASTER-SAAO | (15h 54m 06.40s , -09d 52m 26.4s) |   C |    60 | 19.6 |        
    3759 | 2020-03-27 21:58:57 |         MASTER-SAAO | (16h 01m 10.19s , -09d 51m 48.9s) |   C |    60 | 19.6 |        
    4036 | 2020-03-27 22:03:34 |         MASTER-SAAO | (15h 37m 54.80s , -09d 54m 01.9s) |   C |    60 | 19.7 |        
    4036 | 2020-03-27 22:03:34 |         MASTER-SAAO | (15h 44m 58.77s , -09d 53m 23.6s) |   C |    60 | 19.8 |        
Filter C is a clear (unfiltred) band. 


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