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GCN Circular 35265

Subject
Fermi trigger No 723435916: Global MASTER-Net observations report
Date
2023-12-05T03:48:24Z (3 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 GRB231205.10 (trigger No 723435916,13h 44m 14.40s , +22d 45m 00.0s, R=3.07) errorbox  35 sec after notice time and 81 sec after trigger time at 2023-12-05 02:26:33 UT, with upper limit up to  18.9 mag. The observations began at zenith distance = 56 deg. The sun  altitude  is -27.0 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the Fermi GRB231205.10 errorbox  94 sec after notice time and 140 sec after trigger time at 2023-12-05 02:27:32 UT, with upper limit up to  19.4 mag. The observations began at zenith distance = 50 deg. The sun  altitude  is -20.9 deg. 

The galactic latitude b = 77 deg., longitude l = 16 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2324126

We obtain a following upper limits.  

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

      92 | 2023-12-05 02:26:33 |      MASTER-Tavrida | (13h 44m 11.74s , +20d 55m 58.7s) |   C |    20 | 17.5 |        
     118 | 2023-12-05 02:26:59 |      MASTER-Tavrida | (13h 44m 08.48s , +20d 57m 46.7s) |   C |    20 | 17.8 |        
     150 | 2023-12-05 02:27:26 |      MASTER-Tavrida | (13h 44m 08.48s , +20d 56m 05.9s) |   C |    30 | 18.0 |        
     156 | 2023-12-05 02:27:32 |   MASTER-Kislovodsk | (13h 46m 05.07s , +20d 45m 36.4s) |   C |    30 | 17.3 |        
     201 | 2023-12-05 02:27:32 |   MASTER-Kislovodsk | (13h 46m 05.07s , +20d 45m 36.4s) |   C |   120 | 18.3 |  Coadd 
     156 | 2023-12-05 02:27:32 |   MASTER-Kislovodsk | (13h 50m 29.92s , +20d 22m 37.7s) |   C |    30 | 17.9 |        
     201 | 2023-12-05 02:27:32 |   MASTER-Kislovodsk | (13h 50m 29.91s , +20d 22m 37.7s) |   C |   120 | 18.9 |  Coadd 
     187 | 2023-12-05 02:28:02 |      MASTER-Tavrida | (13h 44m 11.33s , +20d 57m 34.1s) |   C |    30 | 18.0 |        
     211 | 2023-12-05 02:28:22 |   MASTER-Kislovodsk | (13h 46m 09.73s , +20d 45m 58.2s) |   C |    40 | 17.4 |        
     211 | 2023-12-05 02:28:22 |   MASTER-Kislovodsk | (13h 50m 34.68s , +20d 22m 57.9s) |   C |    40 | 18.0 |        
     229 | 2023-12-05 02:28:40 |      MASTER-Tavrida | (13h 44m 05.57s , +20d 56m 54.6s) |   C |    40 | 18.3 |        
     276 | 2023-12-05 02:29:22 |   MASTER-Kislovodsk | (13h 46m 07.89s , +20d 47m 15.7s) |   C |    50 | 17.7 |        
     276 | 2023-12-05 02:29:22 |   MASTER-Kislovodsk | (13h 50m 33.01s , +20d 24m 14.6s) |   C |    50 | 18.1 |        
     281 | 2023-12-05 02:29:27 |      MASTER-Tavrida | (13h 44m 05.18s , +20d 57m 54.1s) |   C |    50 | 18.1 |        
     346 | 2023-12-05 02:30:27 |      MASTER-Tavrida | (13h 44m 10.23s , +20d 56m 52.7s) |   C |    60 | 18.3 |        
     351 | 2023-12-05 02:30:32 |   MASTER-Kislovodsk | (13h 46m 07.82s , +20d 45m 43.5s) |   C |    60 | 18.0 |        
     351 | 2023-12-05 02:30:32 |   MASTER-Kislovodsk | (13h 50m 33.08s , +20d 22m 42.4s) |   C |    60 | 18.3 |        
     566 | 2023-12-05 02:34:06 |      MASTER-Tavrida | (13h 40m 30.06s , +26d 12m 33.8s) |   C |    60 | 18.5 |        
     639 | 2023-12-05 02:34:50 |   MASTER-Kislovodsk | (13h 47m 54.37s , +22d 30m 13.6s) |   C |   120 | 19.1 |        
     639 | 2023-12-05 02:34:50 |   MASTER-Kislovodsk | (13h 43m 23.72s , +22d 53m 26.5s) |   C |   120 | 18.6 |        
     668 | 2023-12-05 02:35:19 |      MASTER-Tavrida | (13h 41m 15.13s , +23d 04m 31.8s) |   C |   120 | 18.7 |        
     789 | 2023-12-05 02:37:10 |   MASTER-Kislovodsk | (13h 43m 17.58s , +22d 52m 29.1s) |   C |   140 | 18.5 |        
     789 | 2023-12-05 02:37:10 |   MASTER-Kislovodsk | (13h 47m 48.38s , +22d 29m 16.7s) |   C |   140 | 18.9 |        
     812 | 2023-12-05 02:37:28 |      MASTER-Tavrida | (13h 41m 22.64s , +23d 03m 32.4s) |   C |   150 | 18.7 |        
     985 | 2023-12-05 02:40:06 |      MASTER-Tavrida | (13h 41m 14.64s , +23d 02m 33.6s) |   C |   180 | 18.9 |        
    1174 | 2023-12-05 02:43:15 |      MASTER-Tavrida | (13h 41m 21.41s , +23d 02m 39.5s) |   C |   180 | 18.9 |        
    1924 | 2023-12-05 02:55:45 |   MASTER-Kislovodsk | (13h 35m 12.26s , +26d 33m 16.6s) |   C |   180 | 19.4 |        
    2065 | 2023-12-05 02:59:05 |   MASTER-Kislovodsk | (13h 39m 21.80s , +22d 14m 27.0s) |   C |    60 | 18.2 |        
    2065 | 2023-12-05 02:59:05 |   MASTER-Kislovodsk | (13h 43m 55.57s , +21d 51m 18.1s) |   C |    60 | 18.9 |        
    2145 | 2023-12-05 03:00:26 |   MASTER-Kislovodsk | (13h 40m 03.37s , +22d 14m 25.8s) |   C |    60 | 12.3 |        
    2256 | 2023-12-05 03:02:17 |      MASTER-Tavrida | (13h 40m 29.46s , +26d 13m 03.5s) |   C |    60 | 18.5 |        
    2305 | 2023-12-05 03:03:06 |   MASTER-Kislovodsk | (13h 45m 04.66s , +20d 21m 40.4s) |   C |    60 | 18.3 |        
    2305 | 2023-12-05 03:03:06 |   MASTER-Kislovodsk | (13h 49m 34.53s , +19d 58m 27.8s) |   C |    60 | 18.7 |        
    2328 | 2023-12-05 03:03:29 |      MASTER-Tavrida | (13h 49m 23.21s , +26d 13m 51.0s) |   C |    60 | 18.4 |        
    2386 | 2023-12-05 03:04:27 |   MASTER-Kislovodsk | (13h 55m 39.83s , +22d 14m 52.7s) |   C |    60 | 17.9 |        
    2386 | 2023-12-05 03:04:27 |   MASTER-Kislovodsk | (14h 00m 12.79s , +21d 51m 38.8s) |   C |    60 | 18.5 |        
    2466 | 2023-12-05 03:05:47 |   MASTER-Kislovodsk | (13h 30m 05.97s , +26d 04m 28.1s) |   C |    60 | 18.2 |        
    2466 | 2023-12-05 03:05:47 |   MASTER-Kislovodsk | (13h 34m 49.41s , +25d 41m 30.3s) |   C |    60 | 18.9 |        
    2546 | 2023-12-05 03:07:07 |   MASTER-Kislovodsk | (13h 28m 51.97s , +20d 21m 34.3s) |   C |    60 | 17.9 |        
    2546 | 2023-12-05 03:07:07 |   MASTER-Kislovodsk | (13h 33m 23.18s , +19d 58m 27.7s) |   C |    60 | 18.8 |        
    2558 | 2023-12-05 03:07:19 |      MASTER-Tavrida | (13h 45m 24.11s , +18d 37m 21.3s) |   C |    60 | 18.4 |        
    2808 | 2023-12-05 03:11:29 |   MASTER-Kislovodsk | (13h 35m 30.39s , +18d 28m 30.9s) |   C |    60 | 17.6 |        
    2808 | 2023-12-05 03:11:29 |   MASTER-Kislovodsk | (13h 39m 57.89s , +18d 05m 20.6s) |   C |    60 | 18.2 |        
    2888 | 2023-12-05 03:12:49 |   MASTER-Kislovodsk | (13h 22m 53.75s , +22d 14m 43.3s) |   C |    60 | 17.8 |        
    2888 | 2023-12-05 03:12:49 |   MASTER-Kislovodsk | (13h 27m 28.81s , +21d 51m 42.7s) |   C |    60 | 18.3 |        
    3029 | 2023-12-05 03:14:10 |   MASTER-Kislovodsk | (13h 35m 16.88s , +26d 35m 10.2s) |   C |   180 | 18.9 |        
    3216 | 2023-12-05 03:18:17 |      MASTER-Tavrida | (13h 40m 31.87s , +26d 12m 15.3s) |   C |    60 | 18.7 |        
    3250 | 2023-12-05 03:18:51 |   MASTER-Kislovodsk | (13h 50m 56.33s , +24d 10m 13.1s) |   C |    60 | 17.7 |        
    3250 | 2023-12-05 03:18:51 |   MASTER-Kislovodsk | (13h 55m 33.54s , +23d 47m 08.4s) |   C |    60 | 18.2 |        
    3288 | 2023-12-05 03:19:29 |      MASTER-Tavrida | (13h 49m 29.84s , +26d 13m 32.0s) |   C |    60 | 18.6 |        
    3330 | 2023-12-05 03:20:11 |   MASTER-Kislovodsk | (13h 34m 24.34s , +24d 09m 36.2s) |   C |    60 | 17.9 |        
    3330 | 2023-12-05 03:20:11 |   MASTER-Kislovodsk | (13h 39m 02.60s , +23d 46m 37.1s) |   C |    60 | 18.3 |        
    3360 | 2023-12-05 03:20:40 |      MASTER-Tavrida | (13h 57m 24.39s , +26d 13m 48.1s) |   C |    60 | 18.5 |        
    3410 | 2023-12-05 03:21:31 |   MASTER-Kislovodsk | (13h 44m 59.67s , +20d 20m 28.1s) |   C |    60 | 17.6 |        
    3410 | 2023-12-05 03:21:31 |   MASTER-Kislovodsk | (13h 49m 29.50s , +19d 57m 19.7s) |   C |    60 | 17.7 |        
    3490 | 2023-12-05 03:22:51 |   MASTER-Kislovodsk | (13h 55m 46.27s , +22d 14m 28.3s) |   C |    60 | 17.2 |        
    3490 | 2023-12-05 03:22:51 |   MASTER-Kislovodsk | (14h 00m 19.16s , +21d 51m 18.4s) |   C |    60 | 17.6 |        
    3517 | 2023-12-05 03:23:18 |      MASTER-Tavrida | (13h 45m 20.59s , +18d 35m 49.4s) |   C |    60 | 18.5 |        
    3590 | 2023-12-05 03:24:31 |      MASTER-Tavrida | (13h 53m 53.04s , +18d 36m 05.3s) |   C |    60 | 18.0 |        
    3731 | 2023-12-05 03:26:52 |   MASTER-Kislovodsk | (14h 01m 18.20s , +20d 21m 47.0s) |   C |    60 | 16.8 |        
    3747 | 2023-12-05 03:27:08 |      MASTER-Tavrida | (14h 01m 17.13s , +24d 19m 11.7s) |   C |    60 | 18.5 |        
    3811 | 2023-12-05 03:28:12 |   MASTER-Kislovodsk | (13h 35m 26.87s , +18d 27m 52.6s) |   C |    60 | 17.1 |        
    3811 | 2023-12-05 03:28:12 |   MASTER-Kislovodsk | (13h 39m 54.52s , +18d 04m 44.0s) |   C |    60 | 17.7 |        
    3891 | 2023-12-05 03:29:32 |   MASTER-Kislovodsk | (13h 22m 50.41s , +22d 17m 03.3s) |   C |    60 | 17.2 |        
    3891 | 2023-12-05 03:29:32 |   MASTER-Kislovodsk | (13h 27m 26.03s , +21d 54m 06.4s) |   C |    60 | 17.6 |        
    4200 | 2023-12-05 03:34:41 |      MASTER-Tavrida | (13h 49m 29.04s , +26d 13m 37.3s) |   C |    60 | 18.5 |        
    4272 | 2023-12-05 03:35:53 |      MASTER-Tavrida | (13h 57m 23.60s , +26d 12m 33.5s) |   C |    60 | 18.4 |        
    4419 | 2023-12-05 03:38:20 |      MASTER-Tavrida | (13h 45m 26.74s , +18d 36m 49.4s) |   C |    60 | 18.7 |        
    4491 | 2023-12-05 03:39:32 |      MASTER-Tavrida | (13h 53m 46.25s , +18d 35m 39.3s) |   C |    60 | 18.2 |        
    4565 | 2023-12-05 03:40:46 |      MASTER-Tavrida | (14h 05m 50.91s , +22d 25m 22.0s) |   C |    60 | 18.2 |        
    4711 | 2023-12-05 03:43:12 |      MASTER-Tavrida | (14h 01m 11.89s , +24d 18m 29.4s) |   C |    60 | 18.3 |        
Filter C is a clear (unfiltred) band. 


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


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