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GCN Circular 38428

Subject
EP241202b: Global MASTER-Net observations report
Date
2024-12-03T11:18:21Z (9 days 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 EP241202b ( EP Team et al., GCN 38426Loading...
 
 ) errorbox  11695 sec after notice time and 68974 sec after trigger time at 2024-12-03 10:22:29 UT, with upper limit up to  19.5 mag. Observations started at twilight.  The observations began at zenith distance = 78 deg. The sun  altitude  is -11.9 deg. 

The galactic latitude b = -46 deg., longitude l = 175 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2693898

We obtain a following upper limits.  

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

   69004 | 2024-12-03 10:22:29 |        MASTER-Tunka | (03h 01m 32.26s , +02d 12m 18.8s) |   C |    60 | 17.9 |  Coadd 
   70325 | 2024-12-03 10:44:30 |        MASTER-Tunka | (03h 01m 32.36s , +02d 14m 44.8s) |   C |    60 | 19.2 |        
   71945 | 2024-12-03 11:11:29 |        MASTER-Tunka | (03h 01m 31.26s , +02d 15m 37.9s) |   C |    60 | 19.4 |        
   72017 | 2024-12-03 11:12:41 |        MASTER-Tunka | (03h 01m 26.53s , +02d 14m 42.3s) |   C |    60 | 19.5 |        
   72090 | 2024-12-03 11:13:54 |        MASTER-Tunka | (03h 01m 25.46s , +02d 15m 45.5s) |   C |    60 | 19.5 |        
Filter C is a clear (unfiltred) band. 


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