Back
GCN Circular 37905

Subject
EP EP241026b: Global MASTER-Net observations report
Date
2024-10-27T08:27:45Z (2 months ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
Via
legacy email
V. Lipunov, V.Kornilov, E. Gorbovskoy, K. Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.Senik,  D. Vlasenko,
G.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij
(Lomonosov Moscow State University, SAI, Physics Department),

R. Podesta, C.Lopez, F. Podesta, C.Francile
(Observatorio Astronomico Felix Aguilar OAFA),

R. Rebolo, M. Serra
(The Instituto de Astrofisica de Canarias),

D. Buckley
(South African Astronomical Observatory),

O.A. Gress, N.M. Budnev, O.Ershova
(Irkutsk State University, API),

L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,
A.R.Corella, L.H.Rodriguez
(INAOE, Guillermo Haro Astrophysics Observatory),

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

V. Yurkov, A. Gabovich
(Blagoveschensk Educational State University)

MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the EP241026b ( EP Team et al., GCN 37902Loading...
 
 ) errorbox  10998 sec after notice time and 48189 sec after trigger time at 2024-10-27 07:37:39 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -25.1 deg. 

The galactic latitude b = -10 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2650500

We obtain a following upper limits.  

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

   48220 | 2024-10-27 07:37:39 |         MASTER-OAFA | (03h 43m 49.97s , +40d 43m 52.5s) |   C |    60 | 18.2 |        
   48285 | 2024-10-27 07:38:45 |         MASTER-OAFA | (03h 43m 49.68s , +40d 43m 53.3s) |   C |    60 | 18.3 |        
   48350 | 2024-10-27 07:39:50 |         MASTER-OAFA | (03h 43m 49.43s , +40d 43m 53.8s) |   C |    60 | 18.3 |        
   48682 | 2024-10-27 07:45:21 |         MASTER-OAFA | (03h 43m 45.44s , +40d 43m 44.4s) |   C |    60 | 18.4 |        
   48748 | 2024-10-27 07:46:27 |         MASTER-OAFA | (03h 43m 45.20s , +40d 43m 44.3s) |   C |    60 | 18.4 |        
   48813 | 2024-10-27 07:47:33 |         MASTER-OAFA | (03h 43m 44.94s , +40d 43m 44.0s) |   C |    60 | 18.5 |        
   49208 | 2024-10-27 07:54:07 |         MASTER-OAFA | (03h 45m 19.58s , +41d 09m 47.3s) |   C |    60 | 18.4 |        
   49273 | 2024-10-27 07:55:13 |         MASTER-OAFA | (03h 45m 19.46s , +41d 09m 49.7s) |   C |    60 | 18.5 |        
   49339 | 2024-10-27 07:56:18 |         MASTER-OAFA | (03h 45m 19.34s , +41d 09m 51.4s) |   C |    60 | 18.5 |        
   49674 | 2024-10-27 08:01:54 |         MASTER-OAFA | (03h 45m 23.43s , +41d 09m 58.8s) |   C |    60 | 18.5 |        
   49740 | 2024-10-27 08:03:00 |         MASTER-OAFA | (03h 45m 23.28s , +41d 09m 59.6s) |   C |    60 | 18.4 |        
   49806 | 2024-10-27 08:04:05 |         MASTER-OAFA | (03h 45m 23.13s , +41d 10m 00.4s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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