The alignment of the radio and infrared structures of 3C356 and its implications for other high-z radiogalaxies

Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X and Rawlings, Steve 1990. The alignment of the radio and infrared structures of 3C356 and its implications for other high-z radiogalaxies. Monthly Notices of the Royal Astronomical Society 243 , pp. 1-4.

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Abstract

By comparing a new 2.2-micron image of the high-redshift radiogalaxy 3C356 with optical and radio data, it is shown that the infrared/optical continuum and narrow emission lines arise from a compact region, of radius less than 5 kpc, 50 kpc from the radio-core and aligned with the radio axis. This region, although red (with R - K = 3.4), is not so red as the galaxy itself. None of the radiation mechanisms yet suggested for the extended infrared emission of 3C356 and another high-z radiogalaxy 3C368 is entirely satisfactory. The most plausible explanation is that the infrared emission is from a starburst triggered by the expanding radiosource.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	Oxford University Press
ISSN:	0035-8711
Last Modified:	24 Oct 2022 11:48
URI:	https://orca.cardiff.ac.uk/id/eprint/49370

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