[vsnet-grb-info 22940] MAXI GRB190708.83 Global MASTER-Net observations report

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  25039
SUBJECT: MAXI GRB190708.83 Global MASTER-Net observations report 
DATE:    19/07/09 11:19:48 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 
(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 MAXI GRB190708.83 (trigger No 6726888062, 21h 47m 25.42s , + 7d 38m 12.84s, R=1) errorbox  27 sec after notice time and 3305 sec after trigger time at 2019-07-08 20:45:26 UT, with upper limit up to  16.1 mag. The observations began at zenit distance = 77 deg. The sun  altitude  is -62.1 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the MAXI GRB190708.83 errorbox  563 sec after notice time and 3841 sec after trigger time at 2019-07-08 20:54:22 UT, with upper limit up to  17.2 mag. The observations began at zenit distance = 52 deg. The sun  altitude  is -24.3 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=1069090

We obtain a following upper limits.  

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

    3395 | 2019-07-08 20:45:26 |         MASTER-SAAO | ( 21h 47m 29.32s , + 7d 35m 30.34s) |  P\ |   180 | 13.0 |        
    3575 | 2019-07-08 20:45:26 |         MASTER-SAAO | ( 21h 47m 29.39s , + 7d 35m 30.50s) |  P\ |   540 | 15.7 |  Coadd 
    3606 | 2019-07-08 20:48:56 |         MASTER-SAAO | ( 21h 47m 29.44s , + 7d 35m 37.76s) |  P\ |   180 | 15.3 |        
    3819 | 2019-07-08 20:52:29 |         MASTER-SAAO | ( 21h 47m 29.48s , + 7d 35m 42.19s) |  P\ |   180 | 15.8 |        
    3931 | 2019-07-08 20:54:22 |   MASTER-Kislovodsk | ( 21h 45m 38.94s , + 7d 54m 07.21s) |  P- |   180 | 16.4 |        
    3931 | 2019-07-08 20:54:22 |   MASTER-Kislovodsk | ( 21h 45m 44.57s , + 7d 25m 53.57s) |  P| |   180 | 16.6 |        
    4291 | 2019-07-08 20:54:22 |   MASTER-Kislovodsk | ( 21h 45m 44.57s , + 7d 25m 53.59s) |  P| |   900 | 17.1 |  Coadd 
    4030 | 2019-07-08 20:56:01 |         MASTER-SAAO | ( 21h 47m 29.46s , + 7d 35m 44.99s) |  P\ |   180 | 16.1 |        
    4135 | 2019-07-08 20:57:46 |   MASTER-Kislovodsk | ( 21h 45m 39.08s , + 7d 54m 08.03s) |  P- |   180 | 16.5 |        
    4135 | 2019-07-08 20:57:46 |   MASTER-Kislovodsk | ( 21h 45m 44.71s , + 7d 25m 53.89s) |  P| |   180 | 16.8 |        
    4544 | 2019-07-08 21:04:35 |   MASTER-Kislovodsk | ( 21h 45m 39.07s , + 7d 54m 16.40s) |  P- |   180 | 16.9 |        
    4544 | 2019-07-08 21:04:35 |   MASTER-Kislovodsk | ( 21h 45m 45.10s , + 7d 26m 01.75s) |  P| |   180 | 17.2 |        


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