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GCN Circular 31437

Subject
Fermi GRB 220111A: Global MASTER-Net observations report
Date
2022-01-12T00:30:53Z (2 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, 
D. Vlasenko, G.Antipov, D.Zimnukhov, V.Senik, T.Pogrosheva, E.Minkina,
A.Chasovnikov, V.Topolev, V.Grinshpun, D.Kuvshinov,  D. Cheryasov
(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. Gres, N.M. Budnev
(Irkutsk State University, API),

B.L.Carrasco, J.R.Valdes,V.Chavushyan, C.J.Martinez, V.M.Patino Alvarez,
M.L.H.Rodriguez (INAOE, OAGH)

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

A. Gabovich, V.Yurkov 
(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 Fermi GRB 220111A ( Fermi GBM team, GCN 31434) errorbox  8157 sec after notice time and 8188 sec after trigger time at 2022-01-11 21:38:18 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 68 deg. The sun  altitude  is -16.6 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB 220111A errorbox  8419 sec after notice time and 8450 sec after trigger time at 2022-01-11 21:42:40 UT, with upper limit up to  19.5 mag. The observations began at zenith distance = 58 deg. The sun  altitude  is -34.1 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the Fermi GRB 220111A errorbox  10681 sec after notice time and 10712 sec after trigger time at 2022-01-11 22:20:21 UT, with upper limit up to  18.2 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -51.0 deg. 

The galactic latitude b = 41 deg., longitude l = 239 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1846225

We obtain a following upper limits.  

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

    8279 | 2022-01-11 21:38:18 |         MASTER-Amur | (09h 53m 32.49s , -00d 00m 52.5s) |   C |   180 | 16.4 |        
    8481 | 2022-01-11 21:42:40 |         MASTER-SAAO | (09h 48m 52.42s , +01d 12m 00.1s) |   C |    60 | 18.6 |        
    8563 | 2022-01-11 21:43:02 |         MASTER-Amur | (09h 53m 30.03s , -00d 00m 04.8s) |   C |   180 | 17.1 |        
    8763 | 2022-01-11 21:46:22 |         MASTER-Amur | (09h 53m 31.26s , +00d 00m 53.1s) |   C |   180 | 17.3 |        
    8767 | 2022-01-11 21:46:26 |         MASTER-SAAO | (09h 56m 28.94s , +02d 27m 35.1s) |   C |   180 | 17.1 |        
    8963 | 2022-01-11 21:49:42 |         MASTER-Amur | (09h 53m 36.46s , -00d 00m 06.9s) |   C |   180 | 17.0 |        
    8966 | 2022-01-11 21:49:45 |         MASTER-SAAO | (09h 56m 22.78s , +02d 27m 02.4s) |   C |   180 | 19.5 |        
    9164 | 2022-01-11 21:53:03 |         MASTER-Amur | (09h 53m 29.67s , -00d 01m 05.9s) |   C |   180 | 17.0 |        
    9368 | 2022-01-11 21:56:27 |         MASTER-Amur | (09h 53m 37.02s , +01d 59m 20.1s) |   C |   180 | 17.1 |        
    9568 | 2022-01-11 21:59:47 |         MASTER-Amur | (09h 53m 34.21s , +02d 00m 44.2s) |   C |   180 | 17.0 |        
   10364 | 2022-01-11 22:13:03 |         MASTER-SAAO | (09h 56m 28.48s , -01d 27m 25.6s) |   C |   180 | 19.3 |        
   10563 | 2022-01-11 22:16:22 |         MASTER-SAAO | (09h 56m 23.23s , -01d 28m 07.0s) |   C |   180 | 19.4 |        
   10742 | 2022-01-11 22:20:21 |          MASTER-IAC | (09h 47m 50.16s , +03d 15m 32.2s) |   C |    60 | 17.5 |        
   10983 | 2022-01-11 22:24:22 |          MASTER-IAC | (09h 47m 01.57s , -00d 33m 12.3s) |   C |    60 | 17.5 |        
   11673 | 2022-01-11 22:35:52 |          MASTER-IAC | (09h 47m 50.89s , +03d 14m 48.9s) |   C |    60 | 17.7 |        
   11713 | 2022-01-11 22:36:32 |         MASTER-SAAO | (09h 57m 06.07s , +01d 11m 39.8s) |   C |    60 | 18.6 |        
   11793 | 2022-01-11 22:37:52 |         MASTER-SAAO | (09h 48m 56.51s , +01d 11m 08.5s) |   C |    60 | 18.9 |        
   11873 | 2022-01-11 22:39:12 |         MASTER-SAAO | (10h 04m 22.09s , +01d 11m 23.2s) |   C |    60 | 18.4 |        
   11913 | 2022-01-11 22:39:52 |          MASTER-IAC | (09h 46m 59.27s , -00d 32m 18.3s) |   C |    60 | 17.6 |        
   12115 | 2022-01-11 22:43:14 |         MASTER-SAAO | (10h 04m 07.82s , -00d 43m 26.4s) |   C |    60 | 18.6 |        
   12419 | 2022-01-11 22:48:18 |          MASTER-IAC | (09h 47m 01.59s , +01d 19m 46.5s) |   C |    60 | 17.7 |        
   12419 | 2022-01-11 22:48:18 |          MASTER-IAC | (09h 55m 13.34s , +01d 14m 53.2s) |   C |    60 | 14.9 |        
   12579 | 2022-01-11 22:50:57 |          MASTER-IAC | (09h 47m 47.15s , +03d 15m 10.4s) |   C |    60 | 17.9 |        
   12579 | 2022-01-11 22:50:57 |          MASTER-IAC | (09h 55m 59.33s , +03d 10m 20.0s) |   C |    60 | 16.5 |        
   12772 | 2022-01-11 22:54:11 |         MASTER-SAAO | (09h 56m 57.71s , +01d 11m 24.8s) |   C |    60 | 18.8 |        
   12818 | 2022-01-11 22:54:57 |          MASTER-IAC | (09h 46m 56.27s , -00d 33m 22.0s) |   C |    60 | 17.8 |        
   12819 | 2022-01-11 22:54:57 |          MASTER-IAC | (09h 55m 07.86s , -00d 38m 15.8s) |   C |    60 | 15.6 |        
   12851 | 2022-01-11 22:55:30 |         MASTER-SAAO | (09h 48m 56.76s , +01d 12m 20.3s) |   C |    60 | 18.6 |        
   12931 | 2022-01-11 22:56:50 |         MASTER-SAAO | (10h 04m 15.14s , +01d 11m 32.2s) |   C |    60 | 18.4 |        
   12979 | 2022-01-11 22:57:38 |          MASTER-IAC | (09h 55m 49.49s , -02d 32m 16.4s) |   C |    60 | 14.7 |        
   13326 | 2022-01-11 23:03:25 |          MASTER-IAC | (09h 47m 03.78s , +01d 20m 07.8s) |   C |    60 | 17.8 |        
   13326 | 2022-01-11 23:03:25 |          MASTER-IAC | (09h 55m 15.26s , +01d 15m 17.6s) |   C |    60 | 16.7 |        
   13989 | 2022-01-11 23:14:28 |          MASTER-IAC | (10h 03m 00.58s , +03d 14m 15.3s) |   C |    60 | 18.2 |        
   14257 | 2022-01-11 23:18:56 |          MASTER-IAC | (09h 47m 01.59s , +01d 21m 41.4s) |   C |    60 | 18.0 |        
   14257 | 2022-01-11 23:18:56 |          MASTER-IAC | (09h 55m 13.11s , +01d 16m 53.9s) |   C |    60 | 17.4 |        
Filter C is a clear (unfiltred) band. 


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