[vsnet-grb-info 25785] Baksan Neutrino Observatory Alert 200603.12: Global MASTER-Net observations report

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  27885
SUBJECT: Baksan Neutrino Observatory Alert 200603.12: Global MASTER-Net observations report 
DATE:    20/06/03 18:21:10 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov at xray.sai.msu.ru>

V. Lipunov, E. Gorbovskoy, N.Tyurina, V.Kornilov, P.Balanutsa, I.Gorbunov, D.Vlasenko, 
V.Vladimirov, A.Kuznetsov,  A. Chasovnikov, V.Topolev, D.Kuvshinov, F.Balakin, V.A. Senik
(Lomonosov Moscow State University, SAI, Physics Department),

V.B. Petkov, M.M. Boliev, A.N. Kurenya,
(Baksan Neutrino Observatory, Institute for Nuclear Research of RAS, Moscow, Russia),

R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres 
(The Instituto de Astrofisica de Canarias),

D. Buckley 
(South African Astronomical Observatory),

N.M. Budnev, O. Gress,  O.Ershova 
(Applied Physics Institute, Irkutsk State University),

V. Yurkov, A. Gabovich, Yu. Sergienko, D. Kobcev 
(Blagoveschensk Educational State University),

A. Tlatov,  D. Dormidontov 
(Kislovodsk Solar Station of the Pulkovo Observatory),

R. Podesta, C. Lopez, C.Francile, F. Podesta 
(Observatorio Astronomico Felix Aguilar OAFA, San Juan National University),

H.Levato 
(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE  SJNU)

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 Baksan Neutrino Observatory Alert 200603.12 (trigger No 1641869294,10h 56m 00.00s , -23d 54m 00.0s, R=3) errorbox  51879 sec after notice time and 52834 sec after trigger time at 2020-06-03 17:28:48 UT, with upper limit up to  18.0 mag. The observations began at zenith distance = 14 deg. The sun  altitude  is -22.2 deg. 

The galactic latitude b = 32 deg., longitude l = 272 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1372763

We obtain a following upper limits.  

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

   52864 | 2020-06-03 17:28:48 |         MASTER-SAAO | (10h 50m 18.06s , -23d 52m 58.3s) |   C |    60 | 17.2 |        
   52864 | 2020-06-03 17:28:48 |         MASTER-SAAO | (10h 42m 42.28s , -23d 54m 13.4s) |   C |    60 | 17.5 |        
   52944 | 2020-06-03 17:30:07 |         MASTER-SAAO | (10h 58m 03.81s , -21d 52m 48.5s) |   C |    60 | 17.2 |        
   52944 | 2020-06-03 17:30:07 |         MASTER-SAAO | (10h 50m 34.62s , -21d 54m 03.7s) |   C |    60 | 17.5 |        
   53024 | 2020-06-03 17:31:27 |         MASTER-SAAO | (11h 07m 53.27s , -23d 50m 56.1s) |   C |    60 | 17.1 |        
   53024 | 2020-06-03 17:31:27 |         MASTER-SAAO | (11h 00m 17.39s , -23d 52m 09.7s) |   C |    60 | 17.4 |        
   53103 | 2020-06-03 17:32:47 |         MASTER-SAAO | (11h 01m 04.85s , -25d 52m 27.9s) |   C |    60 | 17.1 |        
   53103 | 2020-06-03 17:32:47 |         MASTER-SAAO | (10h 53m 21.38s , -25d 53m 41.6s) |   C |    60 | 17.3 |        
   53183 | 2020-06-03 17:34:07 |         MASTER-SAAO | (10h 50m 24.43s , -23d 50m 59.5s) |   C |    60 | 17.2 |        
   53183 | 2020-06-03 17:34:07 |         MASTER-SAAO | (10h 42m 48.56s , -23d 52m 15.0s) |   C |    60 | 17.5 |        
   53263 | 2020-06-03 17:35:26 |         MASTER-SAAO | (10h 57m 58.16s , -21d 51m 52.0s) |   C |    60 | 17.2 |        
   53263 | 2020-06-03 17:35:26 |         MASTER-SAAO | (10h 50m 28.88s , -21d 53m 07.5s) |   C |    60 | 17.5 |        
   53343 | 2020-06-03 17:36:46 |         MASTER-SAAO | (11h 07m 49.81s , -23d 50m 44.9s) |   C |    60 | 17.2 |        
   53343 | 2020-06-03 17:36:46 |         MASTER-SAAO | (11h 00m 13.85s , -23d 51m 58.8s) |   C |    60 | 17.5 |        
   53422 | 2020-06-03 17:38:06 |         MASTER-SAAO | (11h 01m 06.41s , -25d 51m 51.6s) |   C |    60 | 17.5 |        
   53422 | 2020-06-03 17:38:06 |         MASTER-SAAO | (10h 53m 22.92s , -25d 53m 05.6s) |   C |    60 | 17.7 |        
   53502 | 2020-06-03 17:39:26 |         MASTER-SAAO | (10h 43m 11.82s , -25d 53m 10.1s) |   C |    60 | 17.3 |        
   53582 | 2020-06-03 17:40:46 |         MASTER-SAAO | (10h 54m 54.23s , -27d 52m 47.5s) |   C |    60 | 17.2 |        
   53582 | 2020-06-03 17:40:46 |         MASTER-SAAO | (10h 47m 02.37s , -27d 54m 02.0s) |   C |    60 | 17.4 |        
   53662 | 2020-06-03 17:42:05 |         MASTER-SAAO | (11h 06m 14.67s , -19d 50m 50.0s) |   C |    60 | 17.2 |        
   53662 | 2020-06-03 17:42:05 |         MASTER-SAAO | (10h 58m 51.32s , -19d 52m 05.9s) |   C |    60 | 17.6 |        
   53742 | 2020-06-03 17:43:25 |         MASTER-SAAO | (11h 15m 16.20s , -21d 52m 33.7s) |   C |    60 | 17.1 |        
   53742 | 2020-06-03 17:43:25 |         MASTER-SAAO | (11h 07m 46.74s , -21d 53m 48.4s) |   C |    60 | 17.4 |        
   53821 | 2020-06-03 17:44:45 |         MASTER-SAAO | (10h 43m 17.68s , -25d 51m 32.9s) |   C |    60 | 17.2 |        
   53901 | 2020-06-03 17:46:05 |         MASTER-SAAO | (10h 54m 46.80s , -27d 52m 02.1s) |   C |    60 | 16.9 |        
   53901 | 2020-06-03 17:46:05 |         MASTER-SAAO | (10h 46m 55.00s , -27d 53m 16.7s) |   C |    60 | 17.1 |        
   53981 | 2020-06-03 17:47:24 |         MASTER-SAAO | (11h 06m 09.90s , -19d 50m 46.9s) |   C |    60 | 17.1 |        
   53981 | 2020-06-03 17:47:24 |         MASTER-SAAO | (10h 58m 46.59s , -19d 52m 02.8s) |   C |    60 | 17.4 |        
   54061 | 2020-06-03 17:48:44 |         MASTER-SAAO | (11h 15m 18.28s , -21d 51m 41.7s) |   C |    60 | 17.0 |        
   54061 | 2020-06-03 17:48:44 |         MASTER-SAAO | (11h 07m 48.91s , -21d 52m 56.4s) |   C |    60 | 17.2 |        
   54141 | 2020-06-03 17:50:04 |         MASTER-SAAO | (10h 49m 07.51s , -19d 52m 59.6s) |   C |    60 | 17.3 |        
   54220 | 2020-06-03 17:51:24 |         MASTER-SAAO | (10h 40m 44.97s , -21d 52m 51.6s) |   C |    60 | 17.3 |        
   54300 | 2020-06-03 17:52:44 |         MASTER-SAAO | (11h 11m 07.74s , -25d 52m 12.0s) |   C |    60 | 17.3 |        
   54380 | 2020-06-03 17:54:03 |         MASTER-SAAO | (11h 05m 05.60s , -27d 53m 55.5s) |   C |    60 | 17.0 |        
   54459 | 2020-06-03 17:55:23 |         MASTER-SAAO | (10h 49m 12.19s , -19d 51m 05.1s) |   C |    60 | 17.2 |        
   54977 | 2020-06-03 18:04:01 |         MASTER-SAAO | (10h 40m 38.28s , -21d 51m 19.2s) |   C |    60 | 18.0 |        
   55057 | 2020-06-03 18:05:21 |         MASTER-SAAO | (11h 11m 08.51s , -25d 53m 04.5s) |   C |    60 | 17.7 |        
   55137 | 2020-06-03 18:06:41 |         MASTER-SAAO | (11h 05m 00.42s , -27d 54m 11.9s) |   C |    60 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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