A VLBI study of GHz-Peaked-Spectrum radio sources. II. Additional VLBI images at 6 CM

Astronomy and Astrophysics – Astrophysics

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Galaxies: Active, Quasars: General, Radio Continuum: Galaxies

Scientific paper

We present VLBI observations at 5 GHz of 11 GHz Peaked Spectrum (GPS) or candidate GPS sources. Two of them belong to the complete sample defined by \cite[Stanghellini et al. (1998)]{sta98} (the GPS 1 Jy sample), while the others are selected from a heterogeneous list compiled by \cite[O'Dea et al. (1991).]{ode91} Morphologies of the sources presented here are similar to those found in \cite[Stanghellini et al. (1997)]{sta97} and in the small Compact Steep Spectrum (CSS) sources studied by \cite[Dallacasa et al. (1995).]{dal95} Our results strengthen the evidence that GPS quasars tend to have core-jet or complex morphology and GPS galaxies tend to be compact symmetric objects (CSO).

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