[vsnet-grb-info 22809] IceCube Alert 190629.81 Global MASTER-Net observations report

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Sun Jun 30 05:17:47 JST 2019


TITLE:   GCN CIRCULAR
NUMBER:  24908
SUBJECT: IceCube Alert 190629.81 Global MASTER-Net observations report 
DATE:    19/06/29 20:16:29 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-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the IceCube Alert 190629.81 (  1h 42m 33.41s , +84d 32m 17.52s, R=1.9135) errorbox  66 sec after trigger time at 2019-06-29 19:25:22 UT, with upper limit up to  19.5 mag. Observations started at twilight.  The observations began at zenit distance = 50 deg. The sun  altitude  is -15.4 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=1060532

We obtain a following upper limits.  

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

      72 | 2019-06-29 19:25:22 |      MASTER-Tavrida | (  1h 58m 35.19s , +84d 13m 21.25s) |   C |    10 | 17.6 |        
     132 | 2019-06-29 19:25:22 |      MASTER-Tavrida | (  1h 58m 35.19s , +84d 13m 21.26s) |   C |   130 | 19.5 |  Coadd 
      72 | 2019-06-29 19:25:22 |      MASTER-Tavrida | (  1h 46m 43.94s , +84d 10m 26.25s) |   C |    10 | 17.6 |        
     107 | 2019-06-29 19:25:22 |      MASTER-Tavrida | (  1h 46m 43.93s , +84d 10m 26.24s) |   C |    80 | 18.8 |  Coadd 
     142 | 2019-06-29 19:26:21 |      MASTER-Tavrida | (  1h 32m 14.59s , +84d 12m 41.38s) |   C |    30 | 18.4 |        
     142 | 2019-06-29 19:26:21 |      MASTER-Tavrida | (  1h 43m 54.35s , +84d 16m 51.67s) |   C |    30 | 18.5 |        
     227 | 2019-06-29 19:27:41 |      MASTER-Tavrida | (  1h 58m 41.59s , +84d 13m 19.08s) |   C |    40 | 18.7 |        
     227 | 2019-06-29 19:27:41 |      MASTER-Tavrida | (  1h 46m 42.77s , +84d 10m 23.16s) |   C |    40 | 18.9 |        
     327 | 2019-06-29 19:29:12 |      MASTER-Tavrida | (  1h 32m 13.24s , +84d 12m 41.94s) |   C |    60 | 18.5 |        
     327 | 2019-06-29 19:29:12 |      MASTER-Tavrida | (  1h 43m 56.06s , +84d 16m 51.89s) |   C |    60 | 18.6 |        
     447 | 2019-06-29 19:31:02 |      MASTER-Tavrida | (  1h 58m 42.85s , +84d 13m 20.61s) |   C |    80 | 19.0 |        
     447 | 2019-06-29 19:31:02 |      MASTER-Tavrida | (  1h 46m 40.42s , +84d 10m 23.32s) |   C |    80 | 19.1 |        
     593 | 2019-06-29 19:33:13 |      MASTER-Tavrida | (  1h 32m 12.80s , +84d 12m 42.30s) |   C |   110 | 19.2 |        
     593 | 2019-06-29 19:33:13 |      MASTER-Tavrida | (  1h 43m 57.91s , +84d 16m 51.67s) |   C |   110 | 19.4 |        
Filter C is a clear (unfiltred) band. 


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



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