Molecular and atomic gas in dust lane early-type galaxies - I. Low star formation efficiencies in minor merger remnants
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Davis, Timothy A.; Rowlands, Kate; Allison, J.R.; Shabala, Stanislav S; Ting, Yuan; Lagos, Claudia; Kaviraj, Sugata; Bourne, N.; Dunne, Loretta; Eales, S; Ivison, Robert J
Description
In this work we present IRAM 30-m telescope observations of a sample of bulge-dominated galaxies with large dust lanes, which have had a recent minor merger. We find these galaxies are very gas rich, with H2 masses between 4 × 108 and 2 × 1010 M⊙.We use these molecular gas masses, combined with atomic gas masses from an accompanying paper, to calculate gas-to-dust and gas-to-stellar-mass ratios. The gas-to-dust ratios of our sample objects vary widely (between ≈50 and 750), suggesting many...[Show more]
Collections | ANU Research Publications |
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Date published: | 2015 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/152494 |
Source: | Monthly Notices of the Royal Astronomical Society |
DOI: | 10.1093/mnras/stv597 |
Access Rights: | Open Access |
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01_Davis_Molecular_and_atomic_gas_in_2015.pdf | 4.02 MB | Adobe PDF |
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