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GCN Circular 26629

Subject
IceCube Alert 200101.46: Global MASTER-Net observations report
Date
2020-01-02T11:13:07Z (4 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, 
V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva,
D.Kuvshinov,  D. Cheryasov
(Lomonosov Moscow State University, SAI, Physics Department),

R. Podesta, C.Lopez, F. Podesta, C.Francile 
(Observatorio Astronomico Felix Aguilar OAFA),

H.Levato 
(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),

R. Rebolo, M. Serra 
(The Instituto de Astrofisica de Canarias),

D. Buckley 
(South African Astronomical Observatory),

O.A. Gres, N.M. Budnev, O.Ershova 
(Irkutsk State University, API),

A. Tlatov, D. Dormidontov 
(Kislovodsk Solar Station of the Pulkovo Observatory),

V. Yurkov, A. Gabovich, Yu. Sergienko 
(Blagoveschensk Educational State University)




MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the IceCube Alert 200101.46 (03h 05m 26.38s , +20d 25m 12.0s, R=1.7199) errorbox  14595 sec after trigger time at 2020-01-01 15:03:21 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 48 deg. The sun  altitude  is -62.4 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the IceCube Alert 200101.46 errorbox  27715 sec after trigger time at 2020-01-01 18:42:01 UT, with upper limit up to  19.1 mag. Observations started at twilight.  The observations began at zenith distance = 51 deg. The sun  altitude  is -10.5 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the IceCube Alert 200101.46 errorbox  38951 sec after trigger time at 2020-01-01 21:49:17 UT, with upper limit up to  19.6 mag. The observations began at zenith distance = 10 deg. The sun  altitude  is -45.6 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the IceCube Alert 200101.46 errorbox  7 sec after notice time and 40057 sec after trigger time at 2020-01-01 22:07:44 UT, with upper limit up to  18.9 mag. The observations began at zenith distance = 56 deg. The sun  altitude  is -68.6 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the IceCube Alert 200101.46 errorbox  7 sec after notice time and 52159 sec after trigger time at 2020-01-02 01:29:25 UT, with upper limit up to  18.7 mag. The observations began at zenith distance = 51 deg. The sun  altitude  is -19.5 deg. 

The galactic latitude b = -32 deg., longitude l = 161 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1246909

We obtain a following upper limits.  

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

   14685 | 2020-01-01 15:03:21 |         MASTER-Amur | (03h 13m 05.86s , +18d 42m 51.9s) |   C |   180 | 17.4 |        
   15633 | 2020-01-01 15:19:08 |         MASTER-Amur | (03h 13m 07.97s , +18d 41m 33.3s) |   C |   180 | 17.7 |        
   27806 | 2020-01-01 18:42:01 |         MASTER-SAAO | (03h 12m 29.60s , +18d 46m 40.2s) |   C |   180 | 18.5 |        
   28142 | 2020-01-01 18:47:37 |         MASTER-SAAO | (03h 10m 14.87s , +18d 44m 50.7s) |   C |   180 | 19.0 |        
   38982 | 2020-01-01 21:49:17 |          MASTER-IAC | (03h 16m 02.97s , +17d 58m 43.3s) |   C |    60 | 18.3 |        
   39042 | 2020-01-01 21:49:17 |          MASTER-IAC | (03h 16m 02.97s , +17d 58m 43.3s) |   C |   180 | 18.8 |  Coadd 
   39117 | 2020-01-01 21:51:33 |          MASTER-IAC | (03h 16m 08.17s , +17d 59m 10.8s) |   C |    60 | 18.3 |        
   39255 | 2020-01-01 21:53:50 |          MASTER-IAC | (03h 16m 05.53s , +18d 00m 13.9s) |   C |    60 | 17.5 |        
   39812 | 2020-01-01 22:03:08 |          MASTER-IAC | (03h 07m 51.54s , +17d 56m 30.4s) |   C |    60 | 18.8 |        
   39812 | 2020-01-01 22:03:08 |          MASTER-IAC | (02h 59m 13.78s , +18d 00m 10.2s) |   C |    60 | 18.5 |        
   39943 | 2020-01-01 22:05:19 |          MASTER-IAC | (03h 07m 57.27s , +17d 55m 27.5s) |   C |    60 | 18.2 |        
   39943 | 2020-01-01 22:05:19 |          MASTER-IAC | (02h 59m 19.51s , +17d 59m 07.6s) |   C |    60 | 17.8 |        
   40144 | 2020-01-01 22:07:39 |          MASTER-IAC | (03h 04m 19.12s , +20d 21m 12.5s) |  P| |   180 | 18.4 |        
   40324 | 2020-01-01 22:07:39 |          MASTER-IAC | (03h 04m 19.12s , +20d 21m 12.5s) |  P| |   540 | 19.6 |  Coadd 
   40144 | 2020-01-01 22:07:39 |          MASTER-IAC | (03h 03m 36.34s , +20d 24m 25.9s) |  P- |   180 | 18.1 |        
   40324 | 2020-01-01 22:07:39 |          MASTER-IAC | (03h 03m 36.34s , +20d 24m 26.0s) |  P- |   540 | 19.4 |  Coadd 
   40148 | 2020-01-01 22:07:44 |      MASTER-Tavrida | (03h 00m 31.56s , +20d 23m 42.8s) |   R |   180 | 16.6 |        
   40148 | 2020-01-01 22:07:44 |         MASTER-SAAO | (03h 02m 25.32s , +20d 22m 54.6s) |   C |   180 | 18.7 |        
   40348 | 2020-01-01 22:11:04 |      MASTER-Tavrida | (03h 00m 31.12s , +20d 24m 25.0s) |   R |   180 | 16.9 |        
   40349 | 2020-01-01 22:11:05 |         MASTER-SAAO | (03h 02m 27.32s , +20d 22m 59.6s) |   C |   180 | 19.1 |        
   40381 | 2020-01-01 22:11:36 |          MASTER-IAC | (03h 04m 22.06s , +20d 20m 29.2s) |  P| |   180 | 19.3 |        
   40381 | 2020-01-01 22:11:36 |          MASTER-IAC | (03h 03m 39.23s , +20d 23m 43.0s) |  P- |   180 | 19.0 |        
   40551 | 2020-01-01 22:14:26 |      MASTER-Tavrida | (03h 00m 30.96s , +20d 22m 56.6s) |   R |   180 | 17.3 |        
   40551 | 2020-01-01 22:14:27 |         MASTER-SAAO | (03h 02m 21.73s , +20d 21m 58.9s) |   C |   180 | 19.0 |        
   40623 | 2020-01-01 22:15:38 |          MASTER-IAC | (03h 04m 18.94s , +20d 21m 39.8s) |  P| |   180 | 19.2 |        
   40623 | 2020-01-01 22:15:38 |          MASTER-IAC | (03h 03m 36.06s , +20d 24m 54.0s) |  P- |   180 | 18.8 |        
   40752 | 2020-01-01 22:17:48 |      MASTER-Tavrida | (03h 00m 33.98s , +20d 24m 04.6s) |   R |   180 | 17.5 |        
   40753 | 2020-01-01 22:17:48 |         MASTER-SAAO | (03h 02m 27.18s , +20d 22m 25.0s) |   C |   180 | 19.0 |        
   40864 | 2020-01-01 22:19:40 |          MASTER-IAC | (02h 55m 32.29s , +21d 55m 37.0s) |  P| |   180 | 19.6 |        
   40904 | 2020-01-01 22:21:20 |      MASTER-Tavrida | (02h 58m 04.94s , +19d 59m 15.7s) |   C |    60 | 18.9 |        
   40997 | 2020-01-01 22:22:52 |      MASTER-Tavrida | (02h 58m 11.07s , +19d 58m 14.5s) |   C |    60 | 18.7 |        
   41062 | 2020-01-01 22:23:58 |          MASTER-IAC | (03h 06m 35.77s , +23d 59m 10.7s) |   C |    60 | 18.5 |        
   41090 | 2020-01-01 22:24:25 |      MASTER-Tavrida | (03h 00m 34.06s , +21d 57m 29.7s) |   C |    60 | 18.3 |        
   41742 | 2020-01-01 22:35:17 |          MASTER-IAC | (03h 16m 05.37s , +18d 00m 02.0s) |   C |    60 | 19.0 |        
   41877 | 2020-01-01 22:37:32 |          MASTER-IAC | (02h 55m 28.27s , +21d 54m 08.9s) |   C |    60 | 19.1 |        
   44614 | 2020-01-01 23:23:10 |          MASTER-IAC | (03h 01m 28.20s , +19d 58m 41.3s) |   C |    60 | 16.1 |        
   44614 | 2020-01-01 23:23:10 |          MASTER-IAC | (03h 10m 12.58s , +19d 54m 50.1s) |   C |    60 | 16.2 |        
   44746 | 2020-01-01 23:25:22 |          MASTER-IAC | (03h 03m 47.35s , +21d 57m 42.8s) |   C |    60 | 15.4 |        
   44746 | 2020-01-01 23:25:22 |          MASTER-IAC | (03h 12m 38.88s , +21d 53m 49.8s) |   C |    60 | 15.6 |        
   45029 | 2020-01-01 23:30:05 |          MASTER-IAC | (02h 59m 14.09s , +17d 59m 27.3s) |   C |    60 | 13.8 |        
   45029 | 2020-01-01 23:30:05 |          MASTER-IAC | (03h 07m 51.98s , +17d 55m 33.7s) |   C |    60 | 13.7 |        
   45164 | 2020-01-01 23:32:19 |          MASTER-IAC | (03h 06m 36.32s , +23d 58m 09.9s) |   C |    60 | 12.1 |        
   50747 | 2020-01-02 01:05:23 |          MASTER-IAC | (03h 16m 04.02s , +17d 58m 53.7s) |   C |    60 | 18.2 |        
   50878 | 2020-01-02 01:07:33 |          MASTER-IAC | (03h 16m 03.88s , +17d 57m 19.2s) |   C |    60 | 18.9 |        
   51167 | 2020-01-02 01:12:22 |          MASTER-IAC | (03h 01m 23.04s , +19d 57m 39.4s) |   C |    60 | 19.0 |        
   51167 | 2020-01-02 01:12:22 |          MASTER-IAC | (03h 10m 02.96s , +19d 53m 49.8s) |   C |    60 | 19.3 |        
   51310 | 2020-01-02 01:14:45 |          MASTER-IAC | (03h 12m 36.96s , +21d 54m 50.3s) |   C |    60 | 19.3 |        
   51310 | 2020-01-02 01:14:45 |          MASTER-IAC | (03h 03m 49.80s , +21d 58m 40.4s) |   C |    60 | 18.9 |        
   52190 | 2020-01-02 01:29:25 |         MASTER-OAFA | (03h 00m 34.15s , +19d 09m 45.7s) |   C |    60 | 18.7 |        
   60948 | 2020-01-02 03:55:23 |         MASTER-OAFA | (03h 08m 50.61s , +20d 39m 03.5s) |   C |    60 | 18.3 |        
   79019 | 2020-01-02 08:56:34 |         MASTER-Amur | (03h 03m 39.58s , +20d 06m 47.9s) |   C |    60 | 17.6 |        
   79109 | 2020-01-02 08:58:05 |         MASTER-Amur | (03h 06m 10.67s , +22d 05m 57.1s) |   C |    60 | 17.5 |        
   79200 | 2020-01-02 08:59:36 |         MASTER-Amur | (03h 01m 25.81s , +18d 06m 15.8s) |   C |    60 | 17.6 |        
   79383 | 2020-01-02 09:02:39 |         MASTER-Amur | (03h 03m 33.96s , +20d 07m 46.7s) |   C |    60 | 17.7 |        
   79473 | 2020-01-02 09:04:09 |         MASTER-Amur | (03h 12m 10.83s , +20d 06m 36.9s) |   C |    60 | 17.7 |        
   79565 | 2020-01-02 09:05:41 |         MASTER-Amur | (03h 06m 05.01s , +22d 05m 41.2s) |   C |    60 | 17.6 |        
   79656 | 2020-01-02 09:07:11 |         MASTER-Amur | (03h 14m 47.97s , +22d 05m 50.7s) |   C |    60 | 17.6 |        
   80342 | 2020-01-02 09:18:37 |         MASTER-Amur | (03h 01m 24.35s , +18d 07m 12.6s) |   C |    60 | 17.7 |        
   80433 | 2020-01-02 09:20:08 |         MASTER-Amur | (03h 09m 48.25s , +18d 08m 01.7s) |   C |    60 | 17.6 |        
   80615 | 2020-01-02 09:23:10 |         MASTER-Amur | (02h 57m 28.55s , +22d 06m 06.3s) |   C |    60 | 17.8 |        
   80923 | 2020-01-02 09:28:19 |         MASTER-Amur | (03h 12m 10.76s , +20d 07m 38.2s) |   C |    60 | 17.8 |        
   81013 | 2020-01-02 09:29:49 |         MASTER-Amur | (03h 14m 46.76s , +22d 06m 01.1s) |   C |    60 | 17.7 |        
   81103 | 2020-01-02 09:31:19 |         MASTER-Amur | (03h 09m 55.87s , +18d 08m 09.7s) |   C |    60 | 17.7 |        
   81197 | 2020-01-02 09:32:52 |         MASTER-Amur | (02h 57m 29.01s , +22d 07m 15.8s) |   C |    60 | 17.7 |        
Filter C is a clear (unfiltred) band. 


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