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GCN Circular 34948

Subject
Fermi GRB 231103A: Global MASTER-Net observations report
Date
2023-11-04T21:31:35Z (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-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB 231103A ( Fermi GBM team, GCN 34934) errorbox  1 days 13914 sec after notice time and 1 days 13948 sec after trigger time at 2023-11-04 18:33:59 UT, with upper limit up to  19.5 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -17.7 deg. 

The galactic latitude b = -62 deg., longitude l = 301 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2294659

We obtain a following upper limits.  

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

  100379 | 2023-11-04 18:33:59 |         MASTER-SAAO | (00h 48m 05.20s , -55d 59m 13.2s) |   C |    60 | 18.1 |        
  100470 | 2023-11-04 18:35:30 |         MASTER-SAAO | (01h 02m 13.02s , -56d 00m 21.6s) |   C |    60 | 17.9 |        
  100550 | 2023-11-04 18:36:50 |         MASTER-SAAO | (00h 45m 39.68s , -54d 04m 42.2s) |   C |    60 | 17.9 |        
  100642 | 2023-11-04 18:38:22 |         MASTER-SAAO | (00h 59m 18.30s , -54d 06m 09.5s) |   C |    60 | 16.9 |        
  100722 | 2023-11-04 18:39:42 |         MASTER-SAAO | (00h 50m 32.32s , -57d 53m 12.0s) |   C |    60 | 16.6 |        
  100813 | 2023-11-04 18:41:12 |         MASTER-SAAO | (01h 05m 34.52s , -57d 52m 15.4s) |   C |    60 | 17.4 |        
  100903 | 2023-11-04 18:42:43 |         MASTER-SAAO | (00h 43m 33.08s , -52d 12m 15.4s) |   C |    60 | 17.1 |        
  100983 | 2023-11-04 18:44:02 |         MASTER-SAAO | (00h 56m 41.87s , -52d 11m 49.5s) |   C |    60 | 17.8 |        
  101073 | 2023-11-04 18:45:33 |         MASTER-SAAO | (01h 11m 34.45s , -54d 06m 01.8s) |   C |    60 | 17.8 |        
  101153 | 2023-11-04 18:46:53 |         MASTER-SAAO | (01h 25m 15.58s , -54d 04m 38.8s) |   C |    60 | 17.4 |        
  101244 | 2023-11-04 18:48:23 |         MASTER-SAAO | (00h 20m 41.61s , -55d 57m 53.2s) |   C |    60 | 18.1 |        
  101323 | 2023-11-04 18:49:43 |         MASTER-SAAO | (00h 35m 06.42s , -55d 59m 02.0s) |   C |    60 | 18.1 |        
  101414 | 2023-11-04 18:51:14 |         MASTER-SAAO | (00h 47m 51.52s , -56d 00m 07.4s) |   C |    60 | 18.0 |        
  101494 | 2023-11-04 18:52:34 |         MASTER-SAAO | (01h 02m 17.63s , -56d 00m 07.2s) |   C |    60 | 17.4 |        
  101574 | 2023-11-04 18:53:54 |         MASTER-SAAO | (00h 45m 36.77s , -54d 04m 35.5s) |   C |    60 | 17.2 |        
  101665 | 2023-11-04 18:55:25 |         MASTER-SAAO | (00h 59m 15.26s , -54d 05m 54.2s) |   C |    60 | 17.6 |        
  101745 | 2023-11-04 18:56:44 |         MASTER-SAAO | (00h 50m 34.14s , -57d 52m 15.6s) |   C |    60 | 17.1 |        
  101835 | 2023-11-04 18:58:15 |         MASTER-SAAO | (01h 05m 31.65s , -57d 53m 04.8s) |   C |    60 | 17.6 |        
  101915 | 2023-11-04 18:59:35 |         MASTER-SAAO | (00h 43m 29.81s , -52d 10m 03.6s) |   C |    60 | 18.8 |        
  102006 | 2023-11-04 19:01:06 |         MASTER-SAAO | (00h 56m 38.27s , -52d 11m 07.4s) |   C |    60 | 18.4 |        
  102090 | 2023-11-04 19:02:30 |         MASTER-SAAO | (01h 11m 28.41s , -54d 06m 08.1s) |   C |    60 | 18.0 |        
  102180 | 2023-11-04 19:04:00 |         MASTER-SAAO | (01h 25m 13.83s , -54d 06m 05.7s) |   C |    60 | 17.6 |        
  102260 | 2023-11-04 19:05:20 |         MASTER-SAAO | (00h 20m 42.61s , -55d 57m 57.1s) |   C |    60 | 17.8 |        
  102340 | 2023-11-04 19:06:40 |         MASTER-SAAO | (00h 35m 00.69s , -55d 59m 37.9s) |   C |    60 | 18.5 |        
  102431 | 2023-11-04 19:08:11 |         MASTER-SAAO | (00h 47m 56.37s , -55d 58m 10.0s) |   C |    60 | 18.6 |        
  102511 | 2023-11-04 19:09:30 |         MASTER-SAAO | (01h 02m 08.10s , -55d 58m 57.3s) |   C |    60 | 18.8 |        
  102601 | 2023-11-04 19:11:01 |         MASTER-SAAO | (00h 45m 32.38s , -54d 03m 51.1s) |   C |    60 | 18.7 |        
  102681 | 2023-11-04 19:12:21 |         MASTER-SAAO | (00h 59m 16.65s , -54d 04m 56.3s) |   C |    60 | 18.9 |        
  102772 | 2023-11-04 19:13:52 |         MASTER-SAAO | (00h 50m 26.68s , -57d 53m 45.1s) |   C |    60 | 18.7 |        
  102863 | 2023-11-04 19:15:23 |         MASTER-SAAO | (01h 05m 35.49s , -57d 53m 43.3s) |   C |    60 | 18.7 |        
  102943 | 2023-11-04 19:16:43 |         MASTER-SAAO | (00h 43m 31.08s , -52d 10m 08.2s) |   C |    60 | 18.5 |        
  103034 | 2023-11-04 19:18:14 |         MASTER-SAAO | (00h 56m 34.06s , -52d 11m 33.8s) |   C |    60 | 18.3 |        
  103114 | 2023-11-04 19:19:34 |         MASTER-SAAO | (01h 11m 32.86s , -54d 04m 11.9s) |   C |    60 | 18.4 |        
  103205 | 2023-11-04 19:21:04 |         MASTER-SAAO | (01h 25m 04.73s , -54d 04m 55.3s) |   C |    60 | 18.7 |        
  103285 | 2023-11-04 19:22:24 |         MASTER-SAAO | (00h 20m 38.65s , -55d 57m 19.5s) |   C |    60 | 19.0 |        
  103375 | 2023-11-04 19:23:55 |         MASTER-SAAO | (00h 35m 01.28s , -55d 58m 30.0s) |   C |    60 | 18.6 |        
  103455 | 2023-11-04 19:25:14 |         MASTER-SAAO | (01h 15m 05.16s , -55d 59m 28.4s) |   C |    60 | 18.4 |        
  103546 | 2023-11-04 19:26:45 |         MASTER-SAAO | (01h 29m 20.63s , -55d 57m 55.9s) |   C |    60 | 18.3 |        
  103636 | 2023-11-04 19:28:16 |         MASTER-SAAO | (00h 21m 53.42s , -57d 51m 21.9s) |   C |    60 | 18.4 |        
  103716 | 2023-11-04 19:29:36 |         MASTER-SAAO | (00h 36m 50.52s , -57d 52m 23.0s) |   C |    60 | 18.8 |        
  103807 | 2023-11-04 19:31:06 |         MASTER-SAAO | (00h 53m 25.90s , -59d 46m 31.6s) |   C |    60 | 18.7 |        
  103886 | 2023-11-04 19:32:26 |         MASTER-SAAO | (01h 09m 13.38s , -59d 47m 38.3s) |   C |    60 | 19.0 |        
  103977 | 2023-11-04 19:33:57 |         MASTER-SAAO | (00h 19m 37.16s , -54d 03m 39.3s) |   C |    60 | 19.1 |        
  104057 | 2023-11-04 19:35:16 |         MASTER-SAAO | (00h 33m 15.26s , -54d 05m 07.0s) |   C |    60 | 19.1 |        
  104148 | 2023-11-04 19:36:48 |         MASTER-SAAO | (01h 08m 13.21s , -52d 10m 43.1s) |   C |    60 | 19.1 |        
  104240 | 2023-11-04 19:38:19 |         MASTER-SAAO | (01h 21m 17.37s , -52d 09m 45.3s) |   C |    60 | 19.2 |        
  104319 | 2023-11-04 19:39:39 |         MASTER-SAAO | (01h 18m 58.93s , -57d 53m 35.1s) |   C |    60 | 18.8 |        
  104411 | 2023-11-04 19:41:11 |         MASTER-SAAO | (01h 34m 08.78s , -57d 53m 34.5s) |   C |    60 | 18.7 |        
  104491 | 2023-11-04 19:42:30 |         MASTER-SAAO | (01h 15m 00.67s , -55d 57m 36.8s) |   C |    60 | 18.5 |        
  104582 | 2023-11-04 19:44:02 |         MASTER-SAAO | (01h 29m 18.81s , -55d 59m 26.5s) |   C |    60 | 18.3 |        
  104673 | 2023-11-04 19:45:32 |         MASTER-SAAO | (00h 21m 52.25s , -57d 51m 04.0s) |   C |    60 | 18.9 |        
  104753 | 2023-11-04 19:46:52 |         MASTER-SAAO | (00h 36m 49.52s , -57d 52m 06.7s) |   C |    60 | 18.8 |        
  104843 | 2023-11-04 19:48:23 |         MASTER-SAAO | (00h 53m 16.53s , -59d 45m 16.1s) |   C |    60 | 18.8 |        
  104923 | 2023-11-04 19:49:43 |         MASTER-SAAO | (01h 09m 18.63s , -59d 46m 23.5s) |   C |    60 | 19.0 |        
  105014 | 2023-11-04 19:51:13 |         MASTER-SAAO | (00h 19m 31.76s , -54d 04m 54.5s) |   C |    60 | 18.6 |        
  105093 | 2023-11-04 19:52:33 |         MASTER-SAAO | (00h 33m 16.45s , -54d 04m 48.7s) |   C |    60 | 19.2 |        
  105184 | 2023-11-04 19:54:04 |         MASTER-SAAO | (01h 08m 14.92s , -52d 09m 37.7s) |   C |    60 | 19.5 |        
  105264 | 2023-11-04 19:55:24 |         MASTER-SAAO | (01h 21m 18.05s , -52d 11m 16.2s) |   C |    60 | 19.5 |        
  105355 | 2023-11-04 19:56:55 |         MASTER-SAAO | (01h 19m 01.73s , -57d 51m 26.8s) |   C |    60 | 19.1 |        
  105435 | 2023-11-04 19:58:14 |         MASTER-SAAO | (01h 34m 00.07s , -57d 52m 23.9s) |   C |    60 | 18.9 |        
  105514 | 2023-11-04 19:59:34 |         MASTER-SAAO | (01h 14m 54.50s , -55d 57m 22.2s) |   C |    60 | 19.1 |        
  105619 | 2023-11-04 20:01:19 |         MASTER-SAAO | (01h 29m 18.65s , -55d 58m 24.7s) |   C |    60 | 19.1 |        
  105699 | 2023-11-04 20:02:39 |         MASTER-SAAO | (00h 21m 43.13s , -57d 52m 37.0s) |   C |    60 | 18.6 |        
  105790 | 2023-11-04 20:04:09 |         MASTER-SAAO | (00h 36m 51.46s , -57d 52m 23.3s) |   C |    60 | 19.0 |        
  105869 | 2023-11-04 20:05:29 |         MASTER-SAAO | (00h 53m 17.74s , -59d 45m 15.4s) |   C |    60 | 18.9 |        
  105961 | 2023-11-04 20:07:01 |         MASTER-SAAO | (01h 09m 11.95s , -59d 47m 01.1s) |   C |    60 | 19.0 |        
  106052 | 2023-11-04 20:08:32 |         MASTER-SAAO | (00h 19m 35.58s , -54d 02m 43.3s) |   C |    60 | 19.0 |        
  106132 | 2023-11-04 20:09:52 |         MASTER-SAAO | (00h 32m 14.43s , -54d 03m 46.8s) |   C |    60 | 19.0 |        
  106223 | 2023-11-04 20:11:23 |         MASTER-SAAO | (01h 08m 10.21s , -52d 09m 11.5s) |   C |    60 | 19.0 |        
  106303 | 2023-11-04 20:12:43 |         MASTER-SAAO | (01h 21m 18.10s , -52d 10m 15.4s) |   C |    60 | 19.2 |        
  106393 | 2023-11-04 20:14:13 |         MASTER-SAAO | (01h 18m 53.89s , -57d 53m 04.3s) |   C |    60 | 18.5 |        
  106484 | 2023-11-04 20:15:44 |         MASTER-SAAO | (01h 34m 02.61s , -57d 52m 46.8s) |   C |    60 | 18.5 |        
  106564 | 2023-11-04 20:17:03 |         MASTER-SAAO | (00h 41m 35.25s , -50d 16m 46.0s) |   C |    60 | 19.3 |        
  106654 | 2023-11-04 20:18:34 |         MASTER-SAAO | (00h 54m 08.61s , -50d 15m 02.8s) |   C |    60 | 19.3 |        
  106734 | 2023-11-04 20:19:54 |         MASTER-SAAO | (00h 16m 58.41s , -52d 08m 19.0s) |   C |    60 | 18.4 |        
  106825 | 2023-11-04 20:21:24 |         MASTER-SAAO | (00h 30m 04.44s , -52d 09m 31.0s) |   C |    60 | 19.0 |        
  106904 | 2023-11-04 20:22:44 |         MASTER-SAAO | (00h 21m 07.37s , -59d 46m 04.0s) |   C |    60 | 19.2 |        
  106995 | 2023-11-04 20:24:15 |         MASTER-SAAO | (00h 36m 56.76s , -59d 44m 33.0s) |   C |    60 | 19.1 |        
  107075 | 2023-11-04 20:25:35 |         MASTER-SAAO | (01h 05m 24.62s , -50d 15m 24.1s) |   C |    60 | 19.3 |        
  107165 | 2023-11-04 20:27:05 |         MASTER-SAAO | (01h 17m 49.62s , -50d 16m 02.4s) |   C |    60 | 19.5 |        
  107245 | 2023-11-04 20:28:25 |         MASTER-SAAO | (00h 56m 40.30s , -61d 39m 32.1s) |   C |    60 | 19.0 |        
  107325 | 2023-11-04 20:29:45 |         MASTER-SAAO | (01h 13m 25.52s , -61d 40m 41.4s) |   C |    60 | 19.0 |        
  107416 | 2023-11-04 20:31:16 |         MASTER-SAAO | (01h 23m 27.45s , -59d 45m 16.8s) |   C |    60 | 19.0 |        
  107587 | 2023-11-04 20:34:07 |         MASTER-SAAO | (00h 41m 11.05s , -50d 14m 59.2s) |   C |    60 | 19.4 |        
  107667 | 2023-11-04 20:35:27 |         MASTER-SAAO | (00h 53m 39.84s , -50d 15m 41.7s) |   C |    60 | 19.4 |        
  107757 | 2023-11-04 20:36:57 |         MASTER-SAAO | (00h 17m 01.97s , -52d 07m 57.7s) |   C |    60 | 18.8 |        
  107837 | 2023-11-04 20:38:17 |         MASTER-SAAO | (00h 30m 06.80s , -52d 09m 10.8s) |   C |    60 | 19.4 |        
  107928 | 2023-11-04 20:39:47 |         MASTER-SAAO | (00h 21m 04.50s , -59d 45m 47.4s) |   C |    60 | 18.9 |        
  108018 | 2023-11-04 20:41:18 |         MASTER-SAAO | (00h 36m 55.09s , -59d 45m 56.9s) |   C |    60 | 19.2 |        
  108097 | 2023-11-04 20:42:37 |         MASTER-SAAO | (01h 04m 07.89s , -50d 14m 42.3s) |   C |    60 | 19.5 |        
  108189 | 2023-11-04 20:44:09 |         MASTER-SAAO | (01h 17m 51.31s , -50d 16m 44.4s) |   C |    60 | 19.5 |        
  108269 | 2023-11-04 20:45:29 |         MASTER-SAAO | (00h 56m 35.62s , -61d 38m 14.1s) |   C |    60 | 19.0 |        
  108359 | 2023-11-04 20:46:59 |         MASTER-SAAO | (01h 13m 21.67s , -61d 39m 23.0s) |   C |    60 | 19.1 |        
  108438 | 2023-11-04 20:48:18 |         MASTER-SAAO | (01h 23m 20.98s , -59d 44m 30.4s) |   C |    60 | 19.1 |        
  108609 | 2023-11-04 20:51:09 |         MASTER-SAAO | (00h 40m 02.48s , -50d 16m 11.9s) |   C |    60 | 19.5 |        
  108689 | 2023-11-04 20:52:28 |         MASTER-SAAO | (00h 52m 34.36s , -50d 16m 04.4s) |   C |    60 | 19.4 |        
  108780 | 2023-11-04 20:53:59 |         MASTER-SAAO | (00h 17m 11.16s , -52d 07m 59.9s) |   C |    60 | 19.2 |        
  108859 | 2023-11-04 20:55:19 |         MASTER-SAAO | (00h 30m 08.49s , -52d 09m 20.1s) |   C |    60 | 19.5 |        
  108951 | 2023-11-04 20:56:50 |         MASTER-SAAO | (00h 21m 16.72s , -59d 43m 37.0s) |   C |    60 | 18.7 |        
  109030 | 2023-11-04 20:58:10 |         MASTER-SAAO | (00h 36m 56.57s , -59d 44m 40.3s) |   C |    60 | 19.1 |        
  109121 | 2023-11-04 20:59:41 |         MASTER-SAAO | (01h 03m 42.75s , -50d 14m 18.9s) |   C |    60 | 19.3 |        
  109211 | 2023-11-04 21:01:11 |         MASTER-SAAO | (01h 16m 20.36s , -50d 15m 24.5s) |   C |    60 | 19.5 |        
  109291 | 2023-11-04 21:02:31 |         MASTER-SAAO | (00h 54m 25.41s , -61d 39m 50.6s) |   C |    60 | 19.0 |        
  109382 | 2023-11-04 21:04:01 |         MASTER-SAAO | (01h 11m 22.74s , -61d 39m 33.8s) |   C |    60 | 19.0 |        
  109461 | 2023-11-04 21:05:21 |         MASTER-SAAO | (01h 21m 25.85s , -59d 44m 13.6s) |   C |    60 | 19.0 |        
  109552 | 2023-11-04 21:06:52 |         MASTER-SAAO | (01h 37m 19.41s , -59d 45m 45.6s) |   C |    60 | 19.2 |        
  109723 | 2023-11-04 21:09:42 |         MASTER-SAAO | (00h 39m 43.02s , -61d 37m 13.9s) |   C |    60 | 19.0 |        
  109802 | 2023-11-04 21:11:02 |         MASTER-SAAO | (01h 35m 49.54s , -54d 04m 06.7s) |   C |    60 | 19.0 |        
  110064 | 2023-11-04 21:15:23 |         MASTER-SAAO | (00h 29m 18.96s , -50d 13m 13.1s) |   C |    60 | 19.5 |        
  110224 | 2023-11-04 21:18:04 |         MASTER-SAAO | (00h 50m 56.80s , -48d 20m 34.3s) |   C |    60 | 19.4 |        
  110314 | 2023-11-04 21:19:34 |         MASTER-SAAO | (01h 01m 43.99s , -48d 21m 25.6s) |   C |    60 | 19.4 |        
  110485 | 2023-11-04 21:22:25 |         MASTER-SAAO | (01h 31m 34.54s , -52d 08m 09.8s) |   C |    60 | 19.4 |        
  110735 | 2023-11-04 21:26:35 |         MASTER-SAAO | (00h 40m 00.46s , -61d 37m 53.3s) |   C |    60 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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


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