SourceEpochImageVisibility
0400+258
1995APR12 2 GHz , 8 GHz 2 GHz , 8 GHz
2005AUG26 8 GHz 8 GHz
2006JUL11 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2008JAN23 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
A "+" after the frequency indicates VLBA+ observations.