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HI Absorption in GPS/CSS Sources
Y. M. Pihlstroem, J. E. Conway, R. C. Vermeulen
Combining our own observations with data from the literature, we consider the incidence of HI absorption in Gigahertz Peaked Spectrum (GPS) and Compact Steep Spectrum (CSS) sources…
Superluminal Motion and Relativistic Beaming in Blazar Jets
K. I. Kellermann, M. L. Lister, D. C. Homan +5
High resolution radio observations remain the most direct way to study the formation and evolution of radio jets associated with the accretion onto massive black holes. We report p…
4C +12.50: A Superluminal Precessing Jet in the Recent Merger System IRAS 13451+1232
M. L. Lister, K. I. Kellermann, R. C. Vermeulen +3
We present the results of a multi-epoch VLBA study of the powerful radio source 4C +12.50 (PKS 1345+125) at a wavelength of 2 cm. This compact radio source is associated with a hid…
The shroud around the "compact, symmetric" radio jets in NGC 1052
R. C. Vermeulen, E. Ros, K. I. Kellermann +3
This is a paper on young jet material in a frustratingly complex environment. NGC 1052 has a compact, flat- or GHz-peaked-spectrum radio nucleus consisting of bi-symmetric jets, or…
The Equatorial Outflow of SS433
Z. Paragi, I. Fejes, R. C. Vermeulen +3
We present VLBI imaging results for SS433 from the period 1995-2000. An equatorial emission region is detected and confirmed in 7 experiments at 1.6 and 5 GHz. The structure of the…
Kinematics of parsec-scale structures in AGN: the 2cm VLBA Survey
E. Ros, K. I. Kellermann, M. L. Lister +5
We are investigating the kinematics of jets in active galactic nuclei on parsec scales by studying a representative population of sources. This study is being carried out using the…