Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-11-16
Astronomy and Astrophysics
Astrophysics
4 pages, 5 figures, to appear in the proceedings of the Workshop on "Multiband Approach to AGN" held in Bonn (Germany), 30 Sep
Scientific paper
We combine Very-Long-Baseline Interferometry (VLBI) data for $\sim100$ active galactic nuclei (AGN) available from the Very Large Baseline Array (VLBA) 2 cm imaging survey and optical spectroscopy to investigate the relationships in the emission-line region--central engine--radio jet system. Here, we present the diversity of spectral types among the brightest AGN in our sample. We also discuss correlations between the mass of the central engine and properties of the parsec-scale radio jet for 24 AGN selected by the presence of H$\beta$ broad-emission lines in their spectra.
Arshakian Tigran G.
Chavushyan Vahram H.
Kadler Matthias
Ros Eduardo
Zensus Anton J.
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