The importance of submillimetre observations of radio quiet and radio loud AGN's

Robson, Ian, Hughes, David and Gear, Walter Kieran ORCID: https://orcid.org/0000-0001-6789-6196 1991. The importance of submillimetre observations of radio quiet and radio loud AGN's. Presented at: From ground-based to space-borne sub-mm astronomy, Liège, Belgium, 3-5 July 1990. ESA SP-314: Proceedings of the 29th Liège International Astrophysical Colloqium `From Ground-Based to Space-Borne Sub-mm Astronomy' (December 1990). ESA. SP (29) Paris, France: European Space Agency, p. 111.

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Abstract

Galaxies such as NGC253 and M82 which radiate strongly in the far infrared are studied. They produce a typical thermal emission also seen in a wide range of galaxies which is considered to be a sign of extensive star formation. The use of submillimeter observations to differentiate between thermal or nonthermal synchrotron emission in radio quiet quasars and Seyfert 1 galaxies is discussed. Radio loud active galaxies such as blazars, have non-thermal spectra which become optically thin at about 1 mm. Monitoring this emission is shown to be a crucial test of the emission mechanisms of the relativistic jets believed to power blazars.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	European Space Agency
ISBN:	9789290920984
Related URLs:	Organisation
Last Modified:	27 Oct 2022 09:57
URI:	https://orca.cardiff.ac.uk/id/eprint/68341

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