Extragalactic radio source evolution & unification: clues to the demographics of blazars

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dc.creatorJackson, C A
dc.creatorWall, J V
dc.date2001-01-23
dc.date.accessioned2026-07-07T01:57:29Z
dc.date.available2026-07-07T01:57:29Z
dc.descriptionIn this paper we discuss the demographics of the radio blazar population: (i) what are their parent (`unbeamed') sources and (ii) what magnitude and/or type of evolution have they undergone ? The discussion is based on models of radio source evolution and beaming based on a `dual population' unification paradigm. These models, developed from radio blazar properties in bright samples, predict blazar demographic trends at the lower flux-density levels; samples from deep mJy-level surveys (e.g. NVSS and FIRST) may now provide direct tests of these predictions.
dc.description10 pages, 7 figures, contributed paper to STScI meeting 'Blazar demographics & physics', ASP conf series, eds M Urry & P Padovani
dc.identifierhttps://arxiv.org/abs/astro-ph/0101398
dc.identifierhttp://arxiv.org/abs/astro-ph/0101398
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/2401
dc.subjectAstrophysics
dc.titleExtragalactic radio source evolution & unification: clues to the demographics of blazars
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