GCN Circular 46207
Subject
EP Alert 261109.41: Global MASTER-Net observations report
Date
2026-11-09T13:18:22Z (18 hours ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
Via
email
O.Gress, N.Budnev(ISU)
V.Lipunov, E.Gorbovskoy, A.Kuznetsov, K.Zhirkov, I.Panchenko, N.Tiurina, P.Balanutsa, V.Topolev, D.Vlasenko,
G.Antipov, A.Sankovich, Yu.Tselik, Ya..Kechin, V.Senik, A.Chasovnikov, K.Labsina (Lomonosov MSU)
D.Buckley (SAAO),
A. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity)
A.Sosnovskij (Lomonosov MSU)
A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory)
L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,
A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory)
R.Rebolo (The Instituto de Astrofisica de Canarias)
M. Segura, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA)
MASTER-Tunka robotic telescope [1] located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the EP Alert 261109.41 (trigger No 1709322330,00h 45m 44.88s , +12d 17m 09.6s, R=0.0513993) errorbox 2265 sec after notice time and 2653 sec after trigger time at 2026-11-09 10:38:47 UT, with upper limit up to 20.2 mag. Observations started at twilight. The observations began at zenith distance = 62 deg. The sun altitude is -11.4 deg.
The galactic latitude b = -50 deg., longitude l = 122 deg.
Real time updated cover map and OT discovered available here:
https://master.sai.msu.ru/site/master2/observ.php?id=3532482
We obtain a following upper limits.
Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________
2683 | 2026-11-09 10:38:47 | MASTER-Tunka | (00h 43m 53.22s , +12d 08m 46.9s) | P- | 60 | 12.7 |
2683 | 2026-11-09 10:38:47 | MASTER-Tunka | (00h 43m 37.28s , +11d 59m 33.9s) | P| | 60 | 12.7 |
7170 | 2026-11-09 11:53:33 | MASTER-Tunka | (00h 43m 52.41s , +12d 05m 23.6s) | C | 60 | 13.6 |
7170 | 2026-11-09 11:53:33 | MASTER-Tunka | (00h 43m 40.97s , +11d 56m 06.9s) | C | 60 | 13.3 |
7241 | 2026-11-09 11:54:45 | MASTER-Tunka | (00h 43m 56.04s , +12d 06m 47.0s) | C | 60 | 15.7 |
7241 | 2026-11-09 11:54:45 | MASTER-Tunka | (00h 43m 44.65s , +11d 57m 30.3s) | C | 60 | 15.6 |
7315 | 2026-11-09 11:55:59 | MASTER-Tunka | (00h 43m 48.96s , +12d 06m 11.4s) | C | 60 | 17.8 |
7315 | 2026-11-09 11:55:59 | MASTER-Tunka | (00h 43m 37.64s , +11d 56m 54.6s) | C | 60 | 17.8 |
7390 | 2026-11-09 11:57:14 | MASTER-Tunka | (00h 43m 49.07s , +12d 07m 08.3s) | C | 60 | 18.0 |
7390 | 2026-11-09 11:57:14 | MASTER-Tunka | (00h 43m 37.81s , +11d 57m 51.6s) | C | 60 | 18.0 |
7465 | 2026-11-09 11:58:29 | MASTER-Tunka | (00h 43m 54.79s , +12d 06m 05.8s) | C | 60 | 17.7 |
7465 | 2026-11-09 11:58:29 | MASTER-Tunka | (00h 43m 43.58s , +11d 56m 49.2s) | C | 60 | 17.6 |
7540 | 2026-11-09 11:59:44 | MASTER-Tunka | (00h 43m 48.71s , +12d 05m 02.6s) | C | 60 | 17.3 |
7540 | 2026-11-09 11:59:44 | MASTER-Tunka | (00h 43m 37.55s , +11d 55m 45.8s) | C | 60 | 17.3 |
7615 | 2026-11-09 12:00:58 | MASTER-Tunka | (00h 43m 54.98s , +12d 05m 25.5s) | C | 60 | 17.7 |
7615 | 2026-11-09 12:00:58 | MASTER-Tunka | (00h 43m 43.85s , +11d 56m 08.7s) | C | 60 | 17.7 |
7693 | 2026-11-09 12:02:17 | MASTER-Tunka | (00h 43m 52.33s , +12d 06m 48.5s) | C | 60 | 17.1 |
7693 | 2026-11-09 12:02:17 | MASTER-Tunka | (00h 43m 41.23s , +11d 57m 31.7s) | C | 60 | 17.2 |
7766 | 2026-11-09 12:03:29 | MASTER-Tunka | (00h 43m 52.31s , +12d 05m 07.6s) | C | 60 | 16.5 |
7766 | 2026-11-09 12:03:29 | MASTER-Tunka | (00h 43m 41.22s , +11d 55m 50.7s) | C | 60 | 16.4 |
7839 | 2026-11-09 12:04:43 | MASTER-Tunka | (00h 43m 55.98s , +12d 06m 40.3s) | C | 60 | 17.5 |
7839 | 2026-11-09 12:04:43 | MASTER-Tunka | (00h 43m 44.95s , +11d 57m 23.2s) | C | 60 | 17.4 |
7911 | 2026-11-09 12:05:55 | MASTER-Tunka | (00h 43m 48.40s , +12d 05m 48.6s) | C | 60 | 19.0 |
7911 | 2026-11-09 12:05:55 | MASTER-Tunka | (00h 43m 37.44s , +11d 56m 31.4s) | C | 60 | 19.0 |
7985 | 2026-11-09 12:07:08 | MASTER-Tunka | (00h 43m 48.71s , +12d 06m 46.3s) | C | 60 | 18.9 |
7985 | 2026-11-09 12:07:08 | MASTER-Tunka | (00h 43m 37.79s , +11d 57m 29.0s) | C | 60 | 18.9 |
8058 | 2026-11-09 12:08:22 | MASTER-Tunka | (00h 43m 54.37s , +12d 05m 43.6s) | C | 60 | 17.7 |
8058 | 2026-11-09 12:08:22 | MASTER-Tunka | (00h 43m 43.50s , +11d 56m 26.3s) | C | 60 | 17.8 |
8133 | 2026-11-09 12:09:37 | MASTER-Tunka | (00h 43m 48.41s , +12d 04m 40.5s) | C | 60 | 17.1 |
8133 | 2026-11-09 12:09:37 | MASTER-Tunka | (00h 43m 37.58s , +11d 55m 23.1s) | C | 60 | 17.0 |
8206 | 2026-11-09 12:10:50 | MASTER-Tunka | (00h 43m 55.54s , +12d 04m 40.6s) | C | 60 | 18.5 |
8206 | 2026-11-09 12:10:50 | MASTER-Tunka | (00h 43m 44.76s , +11d 55m 23.0s) | C | 60 | 18.5 |
8280 | 2026-11-09 12:12:04 | MASTER-Tunka | (00h 43m 52.17s , +12d 06m 29.5s) | C | 60 | 17.0 |
8280 | 2026-11-09 12:12:04 | MASTER-Tunka | (00h 43m 41.44s , +11d 57m 11.9s) | C | 60 | 17.1 |
8356 | 2026-11-09 12:13:20 | MASTER-Tunka | (00h 43m 52.15s , +12d 04m 55.5s) | C | 60 | 15.7 |
8356 | 2026-11-09 12:13:20 | MASTER-Tunka | (00h 43m 41.48s , +11d 55m 37.9s) | C | 60 | 15.8 |
10206 | 2026-11-09 12:44:10 | MASTER-Tunka | (00h 43m 49.02s , +12d 05m 23.4s) | C | 60 | 20.2 |
10206 | 2026-11-09 12:44:10 | MASTER-Tunka | (00h 43m 39.61s , +11d 56m 04.8s) | C | 60 | 20.3 |
10279 | 2026-11-09 12:45:23 | MASTER-Tunka | (00h 43m 55.68s , +12d 04m 21.1s) | C | 60 | 20.0 |
10279 | 2026-11-09 12:45:23 | MASTER-Tunka | (00h 43m 46.25s , +11d 55m 02.2s) | C | 60 | 20.0 |
10352 | 2026-11-09 12:46:36 | MASTER-Tunka | (00h 43m 49.02s , +12d 03m 17.5s) | C | 60 | 19.4 |
10352 | 2026-11-09 12:46:36 | MASTER-Tunka | (00h 43m 39.63s , +11d 53m 58.9s) | C | 60 | 19.7 |
10424 | 2026-11-09 12:47:48 | MASTER-Tunka | (00h 43m 54.17s , +12d 03m 16.4s) | C | 60 | 19.6 |
10424 | 2026-11-09 12:47:48 | MASTER-Tunka | (00h 43m 44.84s , +11d 53m 57.7s) | C | 60 | 19.7 |
10497 | 2026-11-09 12:49:00 | MASTER-Tunka | (00h 43m 51.65s , +12d 04m 44.0s) | C | 60 | 19.8 |
10497 | 2026-11-09 12:49:01 | MASTER-Tunka | (00h 43m 42.38s , +11d 55m 24.9s) | C | 60 | 20.0 |
10571 | 2026-11-09 12:50:15 | MASTER-Tunka | (00h 43m 51.65s , +12d 03m 31.9s) | C | 60 | 19.9 |
10571 | 2026-11-09 12:50:15 | MASTER-Tunka | (00h 43m 42.45s , +11d 54m 12.6s) | C | 60 | 20.0 |
10645 | 2026-11-09 12:51:29 | MASTER-Tunka | (00h 43m 53.65s , +12d 04m 58.6s) | C | 60 | 20.1 |
10645 | 2026-11-09 12:51:29 | MASTER-Tunka | (00h 43m 44.52s , +11d 55m 39.5s) | C | 60 | 20.2 |
10719 | 2026-11-09 12:52:43 | MASTER-Tunka | (00h 43m 48.49s , +12d 04m 02.5s) | C | 60 | 19.5 |
10719 | 2026-11-09 12:52:43 | MASTER-Tunka | (00h 43m 39.34s , +11d 54m 43.6s) | C | 60 | 19.6 |
10792 | 2026-11-09 12:53:55 | MASTER-Tunka | (00h 43m 49.56s , +12d 05m 00.5s) | C | 60 | 17.9 |
10792 | 2026-11-09 12:53:55 | MASTER-Tunka | (00h 43m 40.41s , +11d 55m 41.5s) | C | 60 | 17.9 |
10866 | 2026-11-09 12:55:10 | MASTER-Tunka | (00h 43m 55.36s , +12d 03m 56.4s) | C | 60 | 18.0 |
10866 | 2026-11-09 12:55:10 | MASTER-Tunka | (00h 43m 46.20s , +11d 54m 37.6s) | C | 60 | 18.3 |
10940 | 2026-11-09 12:56:24 | MASTER-Tunka | (00h 43m 55.35s , +12d 03m 54.4s) | C | 60 | 19.4 |
10940 | 2026-11-09 12:56:24 | MASTER-Tunka | (00h 43m 46.20s , +11d 54m 35.5s) | C | 60 | 19.6 |
Filter C is a clear (unfiltred) band.
The observation and reduction will continue.
The message may be cited.
[1] - V.M. Lipunov, V.G. Kornilov, E.S. Gorbovskoy, N.A. Tiurina & A.S.Kuznetsov, 2023, Astronomical Robotic Networks and Operative Multichanel Astrophysics, Lomonosov MSU PRESS, 591pp.
http : // www.pereplet.ru/lipunov/625.html