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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© 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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