SourceEpochImageVisibility
0748+126
1997JAN11 2 GHz , 8 GHz 2 GHz , 8 GHz
2004FEB15 2 GHz , 8 GHz 2 GHz , 8 GHz
2005AUG26 8 GHz 8 GHz
2006SEP13 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
A "+" after the frequency indicates VLBA+ observations.