The SCUBA Local Universe Galaxy Survey: results from the optically-selected sample

Vlahakis, Catherine Emma, Dunne, Loretta and Eales, Stephen Anthony ORCID: https://orcid.org/0000-0002-7394-426X 2005. The SCUBA Local Universe Galaxy Survey: results from the optically-selected sample. Presented at: The Dusty and Molecular Universe. A prelude to Herschel and ALMA, Paris, France, 27-29 October 2004. Published in: Wilson, A. ed. The proceedings of the dusty and molecular universe : a prelude to Herschel and ALMA : 27-29 October 2004, Ministère de la Recherche, Paris, France. ESA SP (577) Noordwijk: European Space Agency (ESA) Publications Division, pp. 335-338.

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Abstract

We present new results from the SCUBA Local Universe Galaxy Survey, the first large statistical submillimetre survey of the local Universe. Following our initial survey of a sample of 104 IRAS-selected galaxies we now present the results of a sample of 80 Optically-selected galaxies. Since SCUBA is sensitive to the large proportion of dust too cold to be detected by IRAS the addition of this Optically-selected sample allows us for the first time to determine the amount of cold dust in galaxies of different Hubble types. We detect 6 ellipticals in the sample and find them to have dust masses in excess of 10^7 solar masses. We derive local submillimetre Luminosity Functions and Dust Mass functions, both directly for the Optically-Selected SLUGS sample and by extrapolation from the IRAS PSCz survey, and find them to be well-fitted by Schechter functions. We find excellent agreement between the two LFs and DMFs and show that, whereas the slope of the IRAS-selected LF at lower luminosities was steeper than -2 (a submm "Olbers' Paradox"), as expected the PSCz-extrapolated LF flattens out at the low luminosity end.

Item Type:	Conference or Workshop Item (Poster)
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	European Space Agency (ESA) Publications Division
ISBN:	9290928557
Related URLs:	Organisation Organisation
Last Modified:	24 Oct 2022 11:52
URI:	https://orca.cardiff.ac.uk/id/eprint/49606

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