[vsnet-grb-info 23223] LIGO/Virgo S190814bv Global MASTER-Net observations report

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  25322
SUBJECT: LIGO/Virgo S190814bv Global MASTER-Net observations report 
DATE:    19/08/14 22:28:29 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-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) started inspect of the LIGO/Virgo S190814bv errorbox  1327 sec after trigger time at 2019-08-14 21:32:46 UT, with upper limit up to  17.0 mag. The observations began at zenit distance = 78 deg. The sun  altitude  is -32.5 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the LIGO/Virgo S190814bv errorbox  1351 sec after trigger time at 2019-08-14 21:33:10 UT, with upper limit up to  19.4 mag. The observations began at zenit distance = 60 deg. The sun  altitude  is -66.1 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/ligo_1.php?id=10685

We obtain a following upper limits.  

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

    1417 | 2019-08-14 21:32:46 |   MASTER-Kislovodsk | (  0h 48m 40.64s , -23d 37m 08.26s) |   C |   180 | 16.5 |        
    1417 | 2019-08-14 21:32:46 |   MASTER-Kislovodsk | (  0h 57m 30.97s , -24d  4m 38.55s) |   C |   180 | 16.4 |        
    1442 | 2019-08-14 21:33:10 |         MASTER-SAAO | (  0h 58m 33.20s , -23d 51m 38.81s) |   C |   180 | 18.6 |        
    1622 | 2019-08-14 21:33:10 |         MASTER-SAAO | (  0h 58m 33.20s , -23d 51m 38.79s) |   C |   540 | 19.4 |  Coadd 
    1622 | 2019-08-14 21:36:10 |   MASTER-Kislovodsk | (  0h 48m 41.16s , -23d 37m 12.34s) |   C |   180 | 16.7 |        
    1622 | 2019-08-14 21:36:10 |   MASTER-Kislovodsk | (  0h 57m 31.42s , -24d  4m 42.24s) |   C |   180 | 16.5 |        
    1826 | 2019-08-14 21:39:34 |   MASTER-Kislovodsk | (  0h 48m 41.48s , -23d 37m 09.80s) |   C |   180 | 16.6 |        
    1826 | 2019-08-14 21:39:34 |   MASTER-Kislovodsk | (  0h 57m 31.77s , -24d  4m 38.97s) |   C |   180 | 16.5 |        
    1941 | 2019-08-14 21:41:29 |         MASTER-SAAO | (  0h 58m 42.53s , -23d 51m 36.62s) |   C |   180 | 18.4 |        
    2096 | 2019-08-14 21:44:04 |   MASTER-Kislovodsk | (  0h 48m 42.02s , -23d 37m 07.15s) |   C |   180 | 16.9 |        
    2096 | 2019-08-14 21:44:04 |   MASTER-Kislovodsk | (  0h 57m 32.42s , -24d  4m 34.97s) |   C |   180 | 17.0 |        
    2151 | 2019-08-14 21:44:59 |         MASTER-SAAO | (  0h 58m 49.53s , -23d 51m 26.28s) |   C |   180 | 18.4 |        
    2300 | 2019-08-14 21:47:28 |   MASTER-Kislovodsk | (  0h 48m 42.27s , -23d 37m 03.87s) |   C |   180 | 17.0 |        
    2300 | 2019-08-14 21:47:28 |   MASTER-Kislovodsk | (  0h 57m 32.81s , -24d  4m 29.98s) |   C |   180 | 17.0 |        
    2365 | 2019-08-14 21:48:34 |         MASTER-SAAO | (  0h 58m 49.86s , -23d 51m 24.04s) |   C |   180 | 18.6 |        
    2504 | 2019-08-14 21:50:53 |   MASTER-Kislovodsk | (  0h 48m 42.61s , -23d 37m 00.66s) |   C |   180 | 16.9 |        
    2504 | 2019-08-14 21:50:53 |   MASTER-Kislovodsk | (  0h 57m 33.18s , -24d  4m 24.96s) |   C |   180 | 17.0 |        
    2575 | 2019-08-14 21:52:03 |         MASTER-SAAO | (  0h 58m 50.07s , -23d 51m 23.28s) |   C |   180 | 18.7 |        
    2709 | 2019-08-14 21:54:17 |   MASTER-Kislovodsk | (  0h 48m 42.74s , -23d 36m 57.59s) |   C |   180 | 16.1 |        
    3481 | 2019-08-14 22:07:09 |         MASTER-SAAO | (  0h 32m 27.58s , -30d  3m 21.58s) |   C |   180 | 18.5 |        
    3694 | 2019-08-14 22:10:43 |         MASTER-SAAO | (  0h 32m 28.11s , -30d  3m 37.65s) |   C |   180 | 18.9 |        
Filter C is a clear (unfiltred) band. 


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