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Steps toward a radio H-R diagram

  • IX Environment and Its Influence on Radio Galaxies
  • Conference paper
  • First Online:
Jets in Extragalactic Radio Sources

Part of the book series: Lecture Notes in Physics ((LNP,volume 421))

Abstract

We discuss the possibility of establishing a set of observational parameters for radio galaxies which could be used to study radio source evolution in the same way that the Hertzsprung-Russell diagram is used to understand stellar evolution. As a first step towards a radio H-R diagram, we show that the FRI/II break is a function of both radio and optical luminosity. This result combined with the radio linear size/luminosity diagram suggests that the FR III break is very sharp and the two morphological classes probably have an evolutionary connection.

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Authors and Affiliations

  1. National Radio Astronomy Observatory, 87801, Socorro, New Mexico, USA

    Frazer N. Owen

Authors
  1. Frazer N. Owen
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Editor information

Hermann-Josef Röser Klaus Meisenheimer

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© 1993 Springer-Verlag

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Owen, F.N. (1993). Steps toward a radio H-R diagram. In: Röser, HJ., Meisenheimer, K. (eds) Jets in Extragalactic Radio Sources. Lecture Notes in Physics, vol 421. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57164-7_104

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  • DOI: https://doi.org/10.1007/3-540-57164-7_104

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-57164-3

  • Online ISBN: 978-3-540-47925-3

  • eBook Packages: Springer Book Archive

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