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Galaxy Zoo: Dust and molecular gas in early-type galaxies with prominent dust lanes

Kaviraj, Sugata; Ting, Yuan; Bureau, M; Shabala, Stanislav S; Crockett, R. Mark; Silk, J; Lintott, Chris J.; Smith, Arfon M.; Keel, William C; Masters, Karen L.; Schawinski, Kevin; Bamford, Steven P.

Description

We explore the properties of dust and associated molecular gas in 352 nearby (0.01 < z < 0.07) early-type galaxies (ETGs) with prominent dust lanes, drawn from the Sloan Digital Sky Survey (SDSS). Two-thirds of these 'dusty ETGs' (D-ETGs) are morphologically disturbed, which suggests a merger origin, making these galaxies ideal test beds for studying the merger process at low redshift. The D-ETGs preferentially reside in lower density environments, compared to a control sample drawn from the...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/152503
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2012.20957.x
Access Rights: Open Access

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