GCN Circular 42617
Subject
SVOM GRB251106.83: Global MASTER-Net observations report
Event
Date
2025-11-07T19:56:30Z (a day ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
Via
email
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, 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.Sosnovskij (CrAO),
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-Kislovodsk robotic telescope [1] located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SVOM GRB251106.83 (trigger No 1762458982,15h 39m 01.49s , +63d 21m 52.9s, R=0.1547) errorbox 57 sec after notice time and 1565 sec after trigger time at 2025-11-06 20:22:27 UT, with upper limit up to 17.9 mag. The observations began at zenith distance = 73 deg. The sun altitude is -62.3 deg.
The galactic latitude b = 45 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=3034620
We obtain a following upper limits.
Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________
1626 | 2025-11-06 20:22:27 | MASTER-Kislovodsk | (15h 37m 28.85s , +63d 06m 03.4s) | P- | 120 | 15.6 |
1766 | 2025-11-06 20:24:47 | MASTER-Kislovodsk | (15h 37m 29.81s , +63d 05m 56.6s) | P- | 120 | 15.6 |
1766 | 2025-11-06 20:24:47 | MASTER-Kislovodsk | (15h 37m 42.69s , +63d 28m 24.2s) | P| | 120 | 17.2 |
1905 | 2025-11-06 20:27:07 | MASTER-Kislovodsk | (15h 37m 30.71s , +63d 05m 51.6s) | P- | 120 | 15.5 |
1905 | 2025-11-06 20:27:07 | MASTER-Kislovodsk | (15h 37m 43.57s , +63d 28m 18.7s) | P| | 120 | 17.3 |
2045 | 2025-11-06 20:29:27 | MASTER-Kislovodsk | (15h 37m 31.56s , +63d 05m 46.7s) | P- | 120 | 15.6 |
2045 | 2025-11-06 20:29:27 | MASTER-Kislovodsk | (15h 37m 44.37s , +63d 28m 13.8s) | P| | 120 | 17.2 |
2155 | 2025-11-06 20:31:47 | MASTER-Kislovodsk | (15h 37m 25.48s , +63d 04m 04.1s) | C | 60 | 17.0 |
2275 | 2025-11-06 20:31:47 | MASTER-Kislovodsk | (15h 37m 25.50s , +63d 04m 04.1s) | C | 300 | 17.5 | Coadd
2155 | 2025-11-06 20:31:47 | MASTER-Kislovodsk | (15h 37m 38.06s , +63d 26m 36.1s) | C | 60 | 17.4 |
2873 | 2025-11-06 20:43:45 | MASTER-Kislovodsk | (15h 36m 59.84s , +63d 06m 24.9s) | C | 60 | 17.0 |
2933 | 2025-11-06 20:43:45 | MASTER-Kislovodsk | (15h 36m 59.83s , +63d 06m 24.9s) | C | 180 | 17.8 | Coadd
2873 | 2025-11-06 20:43:45 | MASTER-Kislovodsk | (15h 37m 12.09s , +63d 29m 02.0s) | C | 60 | 17.4 |
2953 | 2025-11-06 20:45:05 | MASTER-Kislovodsk | (15h 37m 04.06s , +63d 05m 20.5s) | C | 60 | 17.1 |
2953 | 2025-11-06 20:45:05 | MASTER-Kislovodsk | (15h 37m 16.46s , +63d 27m 56.8s) | C | 60 | 17.5 |
3033 | 2025-11-06 20:46:25 | MASTER-Kislovodsk | (15h 36m 58.81s , +63d 04m 17.3s) | C | 60 | 17.0 |
3033 | 2025-11-06 20:46:25 | MASTER-Kislovodsk | (15h 37m 11.34s , +63d 26m 52.9s) | C | 60 | 17.4 |
3143 | 2025-11-06 20:47:45 | MASTER-Kislovodsk | (15h 37m 04.62s , +63d 04m 30.1s) | C | 120 | 17.3 |
3144 | 2025-11-06 20:47:45 | MASTER-Kislovodsk | (15h 37m 17.42s , +63d 27m 05.1s) | C | 120 | 17.4 |
3305 | 2025-11-06 20:50:26 | MASTER-Kislovodsk | (15h 37m 04.51s , +63d 05m 55.6s) | C | 120 | 17.3 |
3305 | 2025-11-06 20:50:26 | MASTER-Kislovodsk | (15h 37m 17.54s , +63d 28m 30.4s) | C | 120 | 17.5 |
3444 | 2025-11-06 20:52:46 | MASTER-Kislovodsk | (15h 37m 05.48s , +63d 04m 10.8s) | C | 120 | 17.2 |
3564 | 2025-11-06 20:52:46 | MASTER-Kislovodsk | (15h 37m 05.48s , +63d 04m 10.8s) | C | 360 | 17.9 | Coadd
3444 | 2025-11-06 20:52:46 | MASTER-Kislovodsk | (15h 37m 18.70s , +63d 26m 45.1s) | C | 120 | 17.5 |
3584 | 2025-11-06 20:55:05 | MASTER-Kislovodsk | (15h 37m 07.60s , +63d 05m 54.6s) | C | 120 | 17.2 |
3584 | 2025-11-06 20:55:05 | MASTER-Kislovodsk | (15h 37m 20.97s , +63d 28m 28.6s) | C | 120 | 17.4 |
3724 | 2025-11-06 20:57:25 | MASTER-Kislovodsk | (15h 37m 04.73s , +63d 05m 01.2s) | C | 120 | 17.2 |
3724 | 2025-11-06 20:57:26 | MASTER-Kislovodsk | (15h 37m 18.15s , +63d 27m 35.0s) | C | 120 | 17.4 |
3864 | 2025-11-06 20:59:45 | MASTER-Kislovodsk | (15h 37m 04.57s , +63d 05m 58.7s) | C | 120 | 17.1 |
3924 | 2025-11-06 20:59:45 | MASTER-Kislovodsk | (15h 37m 04.57s , +63d 05m 58.8s) | C | 240 | 17.5 | Coadd
3864 | 2025-11-06 20:59:45 | MASTER-Kislovodsk | (15h 37m 18.12s , +63d 28m 32.3s) | C | 120 | 17.4 |
3974 | 2025-11-06 21:02:05 | MASTER-Kislovodsk | (15h 37m 10.31s , +63d 04m 57.0s) | C | 60 | 16.8 |
3974 | 2025-11-06 21:02:05 | MASTER-Kislovodsk | (15h 37m 23.89s , +63d 27m 30.6s) | C | 60 | 17.2 |
4054 | 2025-11-06 21:03:25 | MASTER-Kislovodsk | (15h 37m 05.87s , +63d 03m 55.5s) | C | 60 | 16.8 |
4054 | 2025-11-06 21:03:25 | MASTER-Kislovodsk | (15h 37m 19.52s , +63d 26m 29.2s) | C | 60 | 17.2 |
4134 | 2025-11-06 21:04:45 | MASTER-Kislovodsk | (15h 37m 13.13s , +63d 04m 18.9s) | C | 60 | 16.8 |
4194 | 2025-11-06 21:04:45 | MASTER-Kislovodsk | (15h 37m 13.12s , +63d 04m 18.9s) | C | 180 | 17.3 | Coadd
4134 | 2025-11-06 21:04:45 | MASTER-Kislovodsk | (15h 37m 26.81s , +63d 26m 52.7s) | C | 60 | 17.1 |
4214 | 2025-11-06 21:06:05 | MASTER-Kislovodsk | (15h 37m 10.83s , +63d 05m 52.4s) | C | 60 | 16.6 |
4214 | 2025-11-06 21:06:05 | MASTER-Kislovodsk | (15h 37m 24.56s , +63d 28m 26.3s) | C | 60 | 16.9 |
4294 | 2025-11-06 21:07:25 | MASTER-Kislovodsk | (15h 37m 24.19s , +63d 26m 54.6s) | C | 60 | 16.9 |
4294 | 2025-11-06 21:07:25 | MASTER-Kislovodsk | (15h 37m 10.45s , +63d 04m 20.8s) | C | 60 | 16.4 |
4373 | 2025-11-06 21:08:45 | MASTER-Kislovodsk | (15h 37m 28.61s , +63d 28m 10.5s) | C | 60 | 16.8 |
4373 | 2025-11-06 21:08:45 | MASTER-Kislovodsk | (15h 37m 14.90s , +63d 05m 36.8s) | C | 60 | 16.5 |
4433 | 2025-11-06 21:08:45 | MASTER-Kislovodsk | (15h 37m 14.90s , +63d 05m 36.9s) | C | 180 | 17.0 | Coadd
4453 | 2025-11-06 21:10:04 | MASTER-Kislovodsk | (15h 37m 22.44s , +63d 27m 24.6s) | C | 60 | 16.7 |
4453 | 2025-11-06 21:10:04 | MASTER-Kislovodsk | (15h 37m 08.69s , +63d 04m 51.0s) | C | 60 | 16.4 |
4533 | 2025-11-06 21:11:24 | MASTER-Kislovodsk | (15h 37m 24.05s , +63d 28m 23.8s) | C | 60 | 16.7 |
4533 | 2025-11-06 21:11:24 | MASTER-Kislovodsk | (15h 37m 10.40s , +63d 05m 50.5s) | C | 60 | 16.3 |
4718 | 2025-11-06 21:14:29 | MASTER-Kislovodsk | (15h 37m 24.27s , +63d 28m 40.2s) | C | 60 | 16.6 |
4718 | 2025-11-06 21:14:29 | MASTER-Kislovodsk | (15h 37m 08.78s , +63d 05m 48.3s) | C | 60 | 16.3 |
4778 | 2025-11-06 21:14:29 | MASTER-Kislovodsk | (15h 37m 08.78s , +63d 05m 48.4s) | C | 180 | 17.0 | Coadd
4797 | 2025-11-06 21:15:49 | MASTER-Kislovodsk | (15h 37m 30.85s , +63d 27m 38.6s) | C | 60 | 16.6 |
4797 | 2025-11-06 21:15:49 | MASTER-Kislovodsk | (15h 37m 15.47s , +63d 04m 46.6s) | C | 60 | 16.2 |
4877 | 2025-11-06 21:17:09 | MASTER-Kislovodsk | (15h 37m 09.03s , +63d 03m 45.3s) | C | 60 | 16.1 |
4877 | 2025-11-06 21:17:09 | MASTER-Kislovodsk | (15h 37m 24.31s , +63d 26m 37.5s) | C | 60 | 16.4 |
4957 | 2025-11-06 21:18:28 | MASTER-Kislovodsk | (15h 37m 31.56s , +63d 27m 02.7s) | C | 60 | 16.4 |
4957 | 2025-11-06 21:18:28 | MASTER-Kislovodsk | (15h 37m 16.46s , +63d 04m 10.3s) | C | 60 | 16.1 |
5077 | 2025-11-06 21:18:28 | MASTER-Kislovodsk | (15h 37m 16.46s , +63d 04m 10.3s) | C | 300 | 17.1 | Coadd
5067 | 2025-11-06 21:19:48 | MASTER-Kislovodsk | (15h 37m 29.80s , +63d 28m 18.5s) | C | 120 | 16.6 |
5067 | 2025-11-06 21:19:48 | MASTER-Kislovodsk | (15h 37m 14.41s , +63d 05m 26.3s) | C | 120 | 16.5 |
5207 | 2025-11-06 21:22:09 | MASTER-Kislovodsk | (15h 37m 30.85s , +63d 27m 02.1s) | C | 120 | 16.7 |
5208 | 2025-11-06 21:22:09 | MASTER-Kislovodsk | (15h 37m 15.48s , +63d 04m 10.2s) | C | 120 | 16.5 |
5347 | 2025-11-06 21:24:28 | MASTER-Kislovodsk | (15h 37m 35.95s , +63d 28m 23.2s) | C | 120 | 16.8 |
5347 | 2025-11-06 21:24:28 | MASTER-Kislovodsk | (15h 37m 20.33s , +63d 05m 31.7s) | C | 120 | 16.6 |
5467 | 2025-11-06 21:24:28 | MASTER-Kislovodsk | (15h 37m 20.33s , +63d 05m 31.7s) | C | 360 | 17.3 | Coadd
5487 | 2025-11-06 21:26:48 | MASTER-Kislovodsk | (15h 37m 30.28s , +63d 27m 30.2s) | C | 120 | 17.0 |
5487 | 2025-11-06 21:26:48 | MASTER-Kislovodsk | (15h 37m 14.65s , +63d 04m 38.6s) | C | 120 | 16.7 |
5627 | 2025-11-06 21:29:08 | MASTER-Kislovodsk | (15h 37m 30.44s , +63d 28m 29.3s) | C | 120 | 17.0 |
5627 | 2025-11-06 21:29:08 | MASTER-Kislovodsk | (15h 37m 14.73s , +63d 05m 38.3s) | C | 120 | 16.8 |
5767 | 2025-11-06 21:31:29 | MASTER-Kislovodsk | (15h 37m 22.89s , +63d 04m 37.5s) | C | 120 | 16.9 |
5887 | 2025-11-06 21:31:29 | MASTER-Kislovodsk | (15h 37m 22.90s , +63d 04m 37.6s) | C | 360 | 17.5 | Coadd
5767 | 2025-11-06 21:31:29 | MASTER-Kislovodsk | (15h 37m 38.60s , +63d 27m 28.5s) | C | 120 | 17.3 |
5907 | 2025-11-06 21:33:48 | MASTER-Kislovodsk | (15h 37m 34.50s , +63d 26m 28.0s) | C | 120 | 17.1 |
5907 | 2025-11-06 21:33:48 | MASTER-Kislovodsk | (15h 37m 18.97s , +63d 03m 36.8s) | C | 120 | 16.9 |
6047 | 2025-11-06 21:36:08 | MASTER-Kislovodsk | (15h 37m 41.42s , +63d 26m 50.4s) | C | 120 | 17.1 |
6047 | 2025-11-06 21:36:08 | MASTER-Kislovodsk | (15h 37m 25.84s , +63d 03m 59.8s) | C | 120 | 16.9 |
6187 | 2025-11-06 21:38:28 | MASTER-Kislovodsk | (15h 37m 39.82s , +63d 28m 06.3s) | C | 120 | 17.1 |
6187 | 2025-11-06 21:38:28 | MASTER-Kislovodsk | (15h 37m 24.04s , +63d 05m 16.2s) | C | 120 | 16.9 |
6307 | 2025-11-06 21:38:28 | MASTER-Kislovodsk | (15h 37m 24.05s , +63d 05m 16.2s) | C | 360 | 17.6 | Coadd
6326 | 2025-11-06 21:40:48 | MASTER-Kislovodsk | (15h 37m 24.02s , +63d 03m 41.3s) | C | 120 | 16.9 |
6326 | 2025-11-06 21:40:48 | MASTER-Kislovodsk | (15h 37m 40.06s , +63d 26m 31.0s) | C | 120 | 17.0 |
6466 | 2025-11-06 21:43:07 | MASTER-Kislovodsk | (15h 37m 44.13s , +63d 27m 56.6s) | C | 120 | 17.0 |
6466 | 2025-11-06 21:43:07 | MASTER-Kislovodsk | (15h 37m 27.84s , +63d 05m 06.8s) | C | 120 | 17.0 |
6606 | 2025-11-06 21:45:27 | MASTER-Kislovodsk | (15h 36m 43.61s , +62d 51m 28.9s) | C | 120 | 16.5 |
6606 | 2025-11-06 21:45:27 | MASTER-Kislovodsk | (15h 36m 34.62s , +63d 14m 55.2s) | C | 120 | 16.4 |
6746 | 2025-11-06 21:47:47 | MASTER-Kislovodsk | (15h 36m 43.64s , +62d 52m 15.3s) | C | 120 | 17.0 |
6746 | 2025-11-06 21:47:47 | MASTER-Kislovodsk | (15h 36m 34.72s , +63d 15m 41.8s) | C | 120 | 16.8 |
6886 | 2025-11-06 21:50:07 | MASTER-Kislovodsk | (15h 36m 52.34s , +62d 51m 06.6s) | C | 120 | 17.1 |
6886 | 2025-11-06 21:50:07 | MASTER-Kislovodsk | (15h 36m 43.50s , +63d 14m 32.6s) | C | 120 | 16.9 |
7026 | 2025-11-06 21:52:27 | MASTER-Kislovodsk | (15h 36m 46.55s , +62d 50m 00.4s) | C | 120 | 17.1 |
7026 | 2025-11-06 21:52:27 | MASTER-Kislovodsk | (15h 36m 37.62s , +63d 13m 26.3s) | C | 120 | 16.9 |
7146 | 2025-11-06 21:52:27 | MASTER-Kislovodsk | (15h 36m 37.62s , +63d 13m 26.3s) | C | 360 | 17.6 | Coadd
7166 | 2025-11-06 21:54:47 | MASTER-Kislovodsk | (15h 36m 53.63s , +62d 50m 22.6s) | C | 120 | 17.1 |
7166 | 2025-11-06 21:54:47 | MASTER-Kislovodsk | (15h 36m 44.73s , +63d 13m 48.7s) | C | 120 | 16.9 |
7306 | 2025-11-06 21:57:07 | MASTER-Kislovodsk | (15h 36m 43.81s , +63d 14m 57.1s) | C | 120 | 16.9 |
7306 | 2025-11-06 21:57:07 | MASTER-Kislovodsk | (15h 36m 52.47s , +62d 51m 30.6s) | C | 120 | 17.4 |
7446 | 2025-11-06 21:59:27 | MASTER-Kislovodsk | (15h 36m 53.33s , +62d 50m 03.7s) | C | 120 | 17.4 |
7446 | 2025-11-06 21:59:27 | MASTER-Kislovodsk | (15h 36m 44.93s , +63d 13m 30.7s) | C | 120 | 16.9 |
7506 | 2025-11-06 21:59:27 | MASTER-Kislovodsk | (15h 36m 44.93s , +63d 13m 30.7s) | C | 240 | 17.4 | Coadd
7555 | 2025-11-06 22:01:47 | MASTER-Kislovodsk | (15h 36m 57.12s , +62d 51m 25.2s) | C | 60 | 17.1 |
7555 | 2025-11-06 22:01:47 | MASTER-Kislovodsk | (15h 36m 48.66s , +63d 14m 52.3s) | C | 60 | 16.8 |
7635 | 2025-11-06 22:03:07 | MASTER-Kislovodsk | (15h 36m 50.86s , +62d 50m 51.1s) | C | 60 | 17.1 |
7635 | 2025-11-06 22:03:07 | MASTER-Kislovodsk | (15h 36m 42.49s , +63d 14m 18.3s) | C | 60 | 16.7 |
7715 | 2025-11-06 22:04:26 | MASTER-Kislovodsk | (15h 36m 52.49s , +62d 51m 51.8s) | C | 60 | 17.1 |
7715 | 2025-11-06 22:04:26 | MASTER-Kislovodsk | (15h 36m 44.22s , +63d 15m 18.9s) | C | 60 | 16.7 |
7775 | 2025-11-06 22:04:26 | MASTER-Kislovodsk | (15h 36m 44.21s , +63d 15m 18.9s) | C | 180 | 17.4 | Coadd
7795 | 2025-11-06 22:05:46 | MASTER-Kislovodsk | (15h 36m 50.63s , +63d 14m 18.7s) | C | 60 | 16.8 |
7795 | 2025-11-06 22:05:46 | MASTER-Kislovodsk | (15h 36m 58.82s , +62d 50m 51.4s) | C | 60 | 17.1 |
7874 | 2025-11-06 22:07:05 | MASTER-Kislovodsk | (15h 36m 53.69s , +62d 49m 51.8s) | C | 60 | 17.1 |
7874 | 2025-11-06 22:07:05 | MASTER-Kislovodsk | (15h 36m 45.62s , +63d 13m 19.1s) | C | 60 | 16.6 |
7954 | 2025-11-06 22:08:25 | MASTER-Kislovodsk | (15h 36m 51.15s , +63d 13m 49.4s) | C | 60 | 16.6 |
8014 | 2025-11-06 22:08:25 | MASTER-Kislovodsk | (15h 36m 51.15s , +63d 13m 49.3s) | C | 180 | 17.4 | Coadd
7954 | 2025-11-06 22:08:25 | MASTER-Kislovodsk | (15h 36m 59.17s , +62d 50m 21.8s) | C | 60 | 17.0 |
8034 | 2025-11-06 22:09:45 | MASTER-Kislovodsk | (15h 36m 48.62s , +63d 15m 03.0s) | C | 60 | 16.7 |
8034 | 2025-11-06 22:09:45 | MASTER-Kislovodsk | (15h 36m 56.65s , +62d 51m 35.8s) | C | 60 | 17.1 |
8113 | 2025-11-06 22:11:05 | MASTER-Kislovodsk | (15h 36m 58.21s , +62d 50m 14.3s) | C | 60 | 16.9 |
8113 | 2025-11-06 22:11:05 | MASTER-Kislovodsk | (15h 36m 50.21s , +63d 13m 41.8s) | C | 60 | 16.6 |
8193 | 2025-11-06 22:12:24 | MASTER-Kislovodsk | (15h 36m 53.00s , +63d 15m 14.2s) | C | 60 | 16.6 |
8253 | 2025-11-06 22:12:24 | MASTER-Kislovodsk | (15h 36m 52.99s , +63d 15m 14.2s) | C | 180 | 17.4 | Coadd
8193 | 2025-11-06 22:12:24 | MASTER-Kislovodsk | (15h 37m 00.97s , +62d 51m 46.9s) | C | 60 | 16.9 |
8273 | 2025-11-06 22:13:44 | MASTER-Kislovodsk | (15h 36m 47.55s , +63d 14m 22.9s) | C | 60 | 16.5 |
8273 | 2025-11-06 22:13:44 | MASTER-Kislovodsk | (15h 36m 55.50s , +62d 50m 55.9s) | C | 60 | 16.9 |
8353 | 2025-11-06 22:15:04 | MASTER-Kislovodsk | (15h 36m 47.15s , +63d 15m 23.3s) | C | 60 | 16.5 |
8353 | 2025-11-06 22:15:04 | MASTER-Kislovodsk | (15h 36m 55.10s , +62d 51m 56.7s) | C | 60 | 16.8 |
8433 | 2025-11-06 22:16:24 | MASTER-Kislovodsk | (15h 36m 53.72s , +63d 14m 23.2s) | C | 60 | 16.4 |
8433 | 2025-11-06 22:16:24 | MASTER-Kislovodsk | (15h 37m 01.82s , +62d 50m 56.9s) | C | 60 | 16.8 |
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