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

  • Wolfgang Tschager (a1), Richard Schilizzi (a1) (a2), Huub Röttgering (a1), Ignas Snellen (a3), George Miley (a1) and Rick Perley (a4)...

Abstract

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.

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References

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Fanti, R., Fanti, C., Schilizzi, R. T., Spencer, R. E., Rendong, Nan, Parma, P., van Breugel, W. J. M., & Venturi, T. 1990, A&A, 231, 333
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Moffet, A. T. 1975, in Stars and Stellar Systems Vol. IX, ed. A. Sandage, M. Sandage, & J. Kristian (Chicago: University of Chicago Press), 211
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Perucho, M., & Martí, J. M. 2003, PASA, 20, submitted
Snellen, I. A. G., Schilizzi, R. T., Miley, G. K., de Bruyn, A. G., Bremer, M. N., & Röttgering, H. J. A. 2000, MNRAS, 319, 445
Snellen, I. A. G., Mack, K.-H., Schilizzi, R. T., & Tschager, W. 2003, PASA, 20, in press
Tschager, W., Schilizzi, R. T., Röttgering, H. J. A., Snellen, I. A. G., & Miley, G. K. 2000, A&A, 360, 887
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Publications of the Astronomical Society of Australia
  • ISSN: 1323-3580
  • EISSN: 1448-6083
  • URL: /core/journals/publications-of-the-astronomical-society-of-australia
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