Non-steller light from high-redshift radio galaxies

Rawlings, Steve and Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X 1990. Non-steller light from high-redshift radio galaxies. Presented at: Second Wyoming Conference on the Interstellar Medium in External Galaxies, Grand Teton National Park, WY, USA, 3-7July 1989. Published in: Hollenbach, David J. and Thronson, Harley A. eds. The interstellar medium in external galaxies : summaries of contributed papers. NASA conference publication (3084) Washington, DC: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, pp. 389-391.

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Abstract

With the aid of a new IRCAM image of 3C356, researchers question the common assumption that radiosource-stimulated starbursts are responsible for the extended optical emission aligned with radio structures in high-redshift radiogalaxies. They propose an alternative model in which the radiation from a hidden luminous quasar is beamed along the radio axis and illuminates dense clumps of cool gas to produce both extended narrow emission line regions and, by Thomson scattering, extended optical continua. Simple observational tests of this model are possible and necessary if we are to continue to accept that the color, magnitude and shape evolution of radiogalaxies are controlled by the active evolution of stellar populations.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division
Related URLs:	http://adsabs.harvard.edu/abs/1990NASCP3...
Last Modified:	24 Oct 2022 11:47
URI:	https://orca.cardiff.ac.uk/id/eprint/49337

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