Back
GCN Circular 38514

Subject
EP241208a: Global MASTER-Net observations report
Date
2024-12-10T06:27:28Z (a month ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
Via
legacy email
V.Lipunov, E.Gorbovskoy, N.Tiurina,  P.Balanutsa, , D.Vlasenko, I.Panchenko,
A.Kuznetsov,  G.Antipov,  A.Sankovich, A.Sosnovskij, Yu.Tselik, M.Gulyaev, Ya.Kechin,
V.Senik, A.Chasovnikov, K.Labsina, I. Gorbunov (Lomonosov MSU),
O.Gress, N.Budnev (ISU),
C.Francile,  F. Podesta, R.Podesta, E. Gonzalez  (Observatorio Astronomico Felix Aguilar (OAFA),
A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory),
A. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity)
D.Buckley (SAAO),
R.Rebolo (The Instituto de Astrofisica de Canarias),
L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,
A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory) 

MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the EP241208a ( EP Team et al., GCN 38513Loading...
 
 ) errorbox 466 sec after trigger time at 2024-12-09 14:53:48 UT, with upper limit up to  20.0 mag. The observations began at zenith distance = 50 deg. The sun  altitude  is -52.9 deg. 

The galactic latitude b = 37 deg., longitude l = 171 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2702991

We obtain a following upper limits.  

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

     496 | 2024-12-09 14:53:48 |        MASTER-Tunka | (08h 31m 35.90s , +49d 01m 28.2s) |   C |    60 | 15.8 |  Coadd 
    4633 | 2024-12-09 16:02:44 |        MASTER-Tunka | (08h 31m 52.94s , +49d 02m 06.3s) |   C |    60 | 17.3 |        
    4686 | 2024-12-09 16:02:44 |        MASTER-Tunka | (08h 31m 52.95s , +49d 02m 06.3s) |   C |   165 | 17.7 |  Coadd 
    4696 | 2024-12-09 16:03:55 |        MASTER-Tunka | (08h 31m 53.09s , +49d 02m 08.0s) |   C |    45 | 16.7 |        
    4761 | 2024-12-09 16:04:53 |        MASTER-Tunka | (08h 31m 51.16s , +49d 01m 47.8s) |   C |    60 | 16.7 |        
    4833 | 2024-12-09 16:06:05 |        MASTER-Tunka | (08h 31m 54.45s , +49d 03m 30.3s) |   C |    60 | 16.6 |        
    4893 | 2024-12-09 16:06:05 |        MASTER-Tunka | (08h 31m 54.45s , +49d 03m 30.3s) |   C |   180 | 17.3 |  Coadd 
    4908 | 2024-12-09 16:07:20 |        MASTER-Tunka | (08h 31m 48.74s , +49d 02m 47.3s) |   C |    60 | 16.4 |        
    4980 | 2024-12-09 16:08:32 |        MASTER-Tunka | (08h 31m 48.76s , +49d 03m 49.2s) |   C |    60 | 16.9 |        
    5120 | 2024-12-09 16:10:52 |        MASTER-Tunka | (08h 31m 53.59s , +49d 02m 50.0s) |   C |    60 | 16.9 |        
    5180 | 2024-12-09 16:10:52 |        MASTER-Tunka | (08h 31m 53.59s , +49d 02m 50.0s) |   C |   180 | 17.7 |  Coadd 
    5193 | 2024-12-09 16:12:05 |        MASTER-Tunka | (08h 31m 48.05s , +49d 01m 52.6s) |   C |    60 | 17.0 |        
    5352 | 2024-12-09 16:14:44 |        MASTER-Tunka | (08h 31m 52.44s , +49d 03m 55.3s) |   C |    60 | 17.1 |        
    5410 | 2024-12-09 16:15:57 |        MASTER-Tunka | (08h 31m 52.49s , +49d 02m 11.4s) |   C |    30 | 16.9 |        
    5455 | 2024-12-09 16:15:57 |        MASTER-Tunka | (08h 31m 52.51s , +49d 02m 11.0s) |   C |   120 | 17.9 |  Coadd 
    5453 | 2024-12-09 16:16:39 |        MASTER-Tunka | (08h 31m 56.58s , +49d 04m 02.0s) |   C |    30 | 16.7 |        
    5511 | 2024-12-09 16:17:22 |        MASTER-Tunka | (08h 31m 48.88s , +49d 03m 08.3s) |   C |    60 | 17.3 |        
    5585 | 2024-12-09 16:18:37 |        MASTER-Tunka | (08h 31m 49.32s , +49d 04m 11.3s) |   C |    60 | 17.5 |        
    5645 | 2024-12-09 16:18:37 |        MASTER-Tunka | (08h 31m 49.31s , +49d 04m 11.3s) |   C |   180 | 19.6 |  Coadd 
    7406 | 2024-12-09 16:48:57 |        MASTER-Tunka | (08h 31m 51.91s , +49d 04m 15.3s) |   C |    60 | 19.3 |        
    7635 | 2024-12-09 16:52:46 |        MASTER-Tunka | (08h 31m 52.57s , +49d 03m 30.6s) |   C |    60 | 19.3 |        
    7905 | 2024-12-09 16:57:17 |        MASTER-Tunka | (08h 31m 56.64s , +49d 03m 57.5s) |   C |    60 | 19.1 |        
    7965 | 2024-12-09 16:57:17 |        MASTER-Tunka | (08h 31m 56.64s , +49d 03m 57.5s) |   C |   180 | 19.9 |  Coadd 
    8062 | 2024-12-09 16:59:54 |        MASTER-Tunka | (08h 31m 53.95s , +49d 05m 50.7s) |   C |    60 | 19.1 |        
    8298 | 2024-12-09 17:03:50 |        MASTER-Tunka | (08h 31m 59.92s , +49d 04m 19.1s) |   C |    60 | 19.4 |        
    8457 | 2024-12-09 17:06:29 |        MASTER-Tunka | (08h 31m 56.97s , +49d 04m 26.4s) |   C |    60 | 19.3 |        
    8517 | 2024-12-09 17:06:29 |        MASTER-Tunka | (08h 31m 56.98s , +49d 04m 26.4s) |   C |   180 | 20.0 |  Coadd 
    8615 | 2024-12-09 17:09:06 |        MASTER-Tunka | (08h 31m 53.41s , +49d 06m 13.9s) |   C |    60 | 19.6 |        
    8843 | 2024-12-09 17:12:55 |        MASTER-Tunka | (08h 32m 00.08s , +49d 04m 47.0s) |   C |    60 | 19.8 |        
    9113 | 2024-12-09 17:17:25 |        MASTER-Tunka | (08h 32m 01.68s , +49d 06m 21.5s) |   C |    60 | 19.5 |        
    9173 | 2024-12-09 17:17:25 |        MASTER-Tunka | (08h 32m 01.68s , +49d 06m 21.5s) |   C |   180 | 19.9 |  Coadd 
    9269 | 2024-12-09 17:20:00 |        MASTER-Tunka | (08h 32m 00.12s , +49d 05m 43.8s) |   C |    60 | 19.1 |        
    9501 | 2024-12-09 17:23:52 |        MASTER-Tunka | (08h 31m 57.98s , +49d 06m 53.6s) |   C |    60 | 18.9 |        
   11246 | 2024-12-09 17:52:57 |        MASTER-Tunka | (08h 31m 55.43s , +49d 06m 03.0s) |   C |    60 | 19.4 |        
Filter C is a clear (unfiltred) band. 


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