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Dusty early-type galaxies and passive spirals

Published online by Cambridge University Press:  17 August 2012

Kate Rowlands ,
Loretta Dunne  and
Steve Maddox
Kate Rowlands
Affiliation:
School of Physics & Astronomy, The University of Nottingham, University Park Campus, Nottingham, NG7 2RD, UK email: ppxkr@nottingham.ac.uk
Loretta Dunne
Affiliation:
School of Physics & Astronomy, The University of Nottingham, University Park Campus, Nottingham, NG7 2RD, UK email: ppxkr@nottingham.ac.uk
Steve Maddox
Affiliation:
School of Physics & Astronomy, The University of Nottingham, University Park Campus, Nottingham, NG7 2RD, UK email: ppxkr@nottingham.ac.uk
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Abstract

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Early-type galaxies (ETGs) are thought to be devoid of dust and star-formation, having formed most of their stars at early epochs. We present the detection of the dustiest ETGs in a large area blind submillimetre survey with Herschel (H-ATLAS, Eales et al. 2010), where the lack of pre-selection in other bands makes it the first unbiased survey for cold dust in ETGs. We compare to a control sample of optically selected ETGs to investigate how the two populations are different. We also highlight the properties of an interesting population of passive spirals detected by Herschel.

Keywords

galaxies: evolutiongalaxies: elliptical and lenticularcD(ISM:) dustextinctioninfrared: galaxiessubmillimeter
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S284: The Spectral Energy Distribution of Galaxies , September 2011 , pp. 259 - 261
Copyright
Copyright © International Astronomical Union 2012

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