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GCN Circular 34959

Subject
Fermi GRB 231106A: Global MASTER-Net observations report
Date
2023-11-06T22:01:20Z (6 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-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB 231106A ( Fermi GBM team, GCN 34956) errorbox  7435 sec after notice time and 7476 sec after trigger time at 2023-11-06 20:18:00 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -58.5 deg. 

The galactic latitude b = 21 deg., longitude l = 194 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2296397

We obtain a following upper limits.  

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

    7507 | 2023-11-06 20:18:00 |      MASTER-Tavrida | (07h 18m 58.76s , +28d 01m 31.6s) |   C |    60 | 16.6 |        
    7579 | 2023-11-06 20:19:12 |      MASTER-Tavrida | (07h 11m 43.66s , +26d 07m 24.0s) |   C |    60 | 16.1 |        
    8169 | 2023-11-06 20:29:02 |      MASTER-Tavrida | (07h 27m 01.04s , +29d 55m 54.0s) |   C |    60 | 17.4 |        
    8317 | 2023-11-06 20:31:30 |      MASTER-Tavrida | (07h 36m 13.30s , +28d 00m 34.7s) |   C |    60 | 15.6 |        
    8390 | 2023-11-06 20:32:43 |      MASTER-Tavrida | (07h 45m 13.60s , +28d 02m 01.0s) |   C |    60 | 13.5 |        
    8610 | 2023-11-06 20:36:22 |      MASTER-Tavrida | (07h 18m 54.71s , +28d 00m 53.6s) |   C |    60 | 17.7 |        
    9277 | 2023-11-06 20:47:30 |      MASTER-Tavrida | (07h 28m 03.37s , +28d 00m 48.0s) |   C |    60 | 17.8 |        
    9351 | 2023-11-06 20:48:43 |      MASTER-Tavrida | (07h 11m 38.63s , +26d 07m 42.0s) |   C |    60 | 18.0 |        
    9423 | 2023-11-06 20:49:56 |      MASTER-Tavrida | (07h 20m 32.94s , +26d 06m 27.4s) |   C |    60 | 17.8 |        
    9642 | 2023-11-06 20:53:35 |      MASTER-Tavrida | (07h 28m 30.97s , +26d 08m 26.4s) |   C |    60 | 17.5 |        
    9714 | 2023-11-06 20:54:47 |      MASTER-Tavrida | (07h 37m 30.51s , +26d 07m 36.6s) |   C |    60 | 17.3 |        
    9788 | 2023-11-06 20:56:01 |      MASTER-Tavrida | (07h 21m 38.45s , +24d 12m 21.0s) |   C |    60 | 17.4 |        
    9861 | 2023-11-06 20:57:14 |      MASTER-Tavrida | (07h 30m 29.86s , +24d 12m 54.8s) |   C |    60 | 17.0 |        
    9935 | 2023-11-06 20:58:28 |      MASTER-Tavrida | (07h 27m 01.91s , +29d 55m 58.0s) |   C |    60 | 18.5 |        
   10007 | 2023-11-06 20:59:40 |      MASTER-Tavrida | (07h 36m 15.07s , +29d 54m 58.4s) |   C |    60 | 18.2 |        
   10159 | 2023-11-06 21:02:12 |      MASTER-Tavrida | (07h 24m 04.95s , +22d 19m 29.7s) |   C |    60 | 17.1 |        
   10234 | 2023-11-06 21:03:27 |      MASTER-Tavrida | (07h 36m 06.69s , +28d 02m 41.0s) |   C |    60 | 18.2 |        
   10306 | 2023-11-06 21:04:39 |      MASTER-Tavrida | (07h 45m 14.82s , +28d 01m 51.3s) |   C |    60 | 17.7 |        
   10379 | 2023-11-06 21:05:52 |      MASTER-Tavrida | (07h 38m 17.32s , +24d 12m 47.6s) |   C |    60 | 17.3 |        
   10452 | 2023-11-06 21:07:05 |      MASTER-Tavrida | (07h 47m 07.78s , +24d 13m 19.4s) |   C |    60 | 16.2 |        
   10526 | 2023-11-06 21:08:19 |      MASTER-Tavrida | (07h 18m 57.19s , +28d 02m 21.1s) |   C |    60 | 18.3 |        
   11903 | 2023-11-06 21:31:16 |      MASTER-Tavrida | (07h 27m 56.23s , +28d 02m 55.0s) |   C |    60 | 18.3 |        
   11975 | 2023-11-06 21:32:28 |      MASTER-Tavrida | (07h 11m 40.50s , +26d 07m 34.7s) |   C |    60 | 18.6 |        
   12048 | 2023-11-06 21:33:41 |      MASTER-Tavrida | (07h 20m 28.35s , +26d 06m 44.0s) |   C |    60 | 18.5 |        
   12121 | 2023-11-06 21:34:54 |      MASTER-Tavrida | (07h 31m 55.79s , +22d 19m 23.2s) |   C |    60 | 18.1 |        
   12193 | 2023-11-06 21:36:06 |      MASTER-Tavrida | (07h 40m 32.06s , +22d 21m 04.8s) |   C |    60 | 18.2 |        
   12266 | 2023-11-06 21:37:19 |      MASTER-Tavrida | (07h 37m 26.81s , +26d 07m 27.4s) |   C |    60 | 18.7 |        
   12338 | 2023-11-06 21:38:31 |      MASTER-Tavrida | (07h 30m 29.80s , +24d 14m 40.3s) |   C |    60 | 18.5 |        
   12411 | 2023-11-06 21:39:44 |      MASTER-Tavrida | (07h 26m 57.61s , +29d 55m 51.6s) |   C |    60 | 18.9 |        
   12483 | 2023-11-06 21:40:56 |      MASTER-Tavrida | (07h 36m 10.40s , +29d 57m 03.1s) |   C |    60 | 18.7 |        
   12628 | 2023-11-06 21:43:21 |      MASTER-Tavrida | (07h 24m 02.93s , +22d 18m 52.3s) |   C |    60 | 18.3 |        
   12702 | 2023-11-06 21:44:35 |      MASTER-Tavrida | (07h 45m 14.98s , +28d 01m 29.2s) |   C |    60 | 18.8 |        
   12774 | 2023-11-06 21:45:47 |      MASTER-Tavrida | (07h 47m 05.00s , +24d 15m 07.1s) |   C |    60 | 18.5 |        
   12848 | 2023-11-06 21:47:00 |      MASTER-Tavrida | (07h 27m 58.96s , +28d 01m 19.4s) |   C |    60 | 18.9 |        
   13142 | 2023-11-06 21:51:54 |      MASTER-Tavrida | (07h 20m 26.86s , +26d 08m 02.8s) |   C |    60 | 19.0 |        
   13215 | 2023-11-06 21:53:08 |      MASTER-Tavrida | (07h 40m 28.08s , +22d 21m 25.6s) |   C |    60 | 18.7 |        
Filter C is a clear (unfiltred) band. 


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


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