Gas accretion from minor mergers in local spiral galaxies
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Di Teodoro, Enrico; Fraternali, F
Description
We quantify the gas accretion rate from minor mergers onto star-forming galaxies in the local Universe using Hi observations of 148 nearby spiral galaxies (WHISP sample). We developed a dedicated code that iteratively analyses Hi data-cubes, finds dwarf gas-rich satellites around larger galaxies, and estimates an upper limit to the gas accretion rate. We found that 22% of the galaxies have at least one detected dwarf companion. We made the very stringent assumption that all satellites are going...[Show more]
Collections | ANU Research Publications |
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Date published: | 2014 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/152100 |
Source: | Astronomy and Astrophysics |
DOI: | 10.1051/0004-6361/201423596 |
Access Rights: | Open Access |
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File | Description | Size | Format | Image |
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01_Di+Teodoro_Gas_accretion_from_minor_2014.pdf | 1.6 MB | Adobe PDF |
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