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A Population Study of Faint Compact Steep Spectrum Radio Sources: Self-Similar Growth

Published online by Cambridge University Press:  05 March 2013

Wolfgang Tschager ,
Richard Schilizzi ,
Huub Röttgering ,
Ignas Snellen ,
George Miley  and
Rick Perley
Wolfgang Tschager
Affiliation:
Leiden Observatory, PO Box 9513, 2300 RA Leiden, The Netherlands. [email protected]
Richard Schilizzi
Affiliation:
Leiden Observatory, PO Box 9513, 2300 RA Leiden, The Netherlands. [email protected] JIVE, PO Box 2, 7990 AA Dwingeloo, The Netherlands.
Huub Röttgering
Affiliation:
Leiden Observatory, PO Box 9513, 2300 RA Leiden, The Netherlands. [email protected]
Ignas Snellen
Affiliation:
Institute for Astronomy, University of Edinburgh, Blackford Hill, Edinburgh, EH9 3HJ, UK.
George Miley
Affiliation:
Leiden Observatory, PO Box 9513, 2300 RA Leiden, The Netherlands. [email protected]
Rick Perley
Affiliation:
NRAO, PO Box 0, Socorro, NM 87801, USA.
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Abstract

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The main topic of this contribution is the investigation of the morphological self-similarity of the growth process during the gigahertz peaked spectrum (GPS) and compact steep spectrum (CSS) phase of evolving radio galaxies. By investigating a new sample of faint CSS radio sources we establish that self-similar evolution must hold for peaked spectrum sources over a wide range of luminosities as well as physical sizes. Thus, we argue that self-similarity should be regarded as an essential, intrinsic characteristic of the growth process of young radio sources, and be treated as such, and not merely as a supplementary constraint for evolution models.

Keywords

radio continuum: galaxiesgalaxies: activegalaxies: evolution
Type
GPS/CSS Workshop
Information
Publications of the Astronomical Society of Australia , Volume 20 , Issue 1 , 2003 , pp. 75 - 78
Copyright
Copyright © Astronomical Society of Australia 2003

References

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