The Bologna Complete Sample of Nearby Radio Sources | Zendy

G. Giovannini | Zendy; G. B. Taylor | Zendy; L. Feretti | Zendy; W. D. Cotton | Zendy; L. M. Lara | Zendy; T. Venturi | Zendy

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The Bologna Complete Sample of Nearby Radio Sources

Author(s) -

G. Giovannini,

G. B. Taylor,

L. Feretti,

W. D. Cotton,

L. M. Lara,

T. Venturi

Publication year - 2005

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/426106

Subject(s) - parsec , very long baseline interferometry , astrophysics , physics , scale (ratio) , sample (material) , astronomy , galaxy , quantum mechanics , thermodynamics

We present a new, complete, sample of 95 radio sources selected from the B2and 3CR catalogues, with z < 0.1. Since no selection effect on the core radiopower, jet velocity, or source orientation is present, this sample is wellsuited for statistical studies. In this first paper we present theobservational status of all sources on the parsec (mas) and kiloparsec (arcsec)scale; we give new parsec-scale data for 28 sources and discuss theirparsec-scale properties. Combining these data with those in the literature,information on the parsec-scale morphology is available for a total of 53 radiosources with different radio power and kpc-scale morphology. We investigatetheir properties. We find a dramatically higher fraction of two-sided sourcesin comparison to previous flux limited VLBI surveys.Comment: 29 pages, 21 figures - ApJ in press (10 Jan 2005 issue

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