Star formation history and evolution of gas-rich dwarf galaxies in the Centaurus A group
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Grossi, Marco; Disney, Mike J; Pritzl, B. J.; Knezek, P. M.; Gallagher, John S; Minchin, R F; Freeman, Kenneth
Description
We analyse the properties of three unusual dwarf galaxies in the Centaurus A group discovered with the HIPASS survey. From their optical morphology, they appear to be low surface brightness dwarf spheroidals, yet they are gas rich (MH i/LB > 1) with gas-mass-to-stellar light ratios larger than typical dwarf irregular galaxies. Therefore these systems appear different from any dwarfs of the Local Group. They should be favoured hosts for starburst, whereas we find a faint star formation region in...[Show more]
Collections | ANU Research Publications |
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Date published: | 2007 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/26220 |
Source: | Monthly Notices of the Royal Astronomical Society |
DOI: | 10.1111/j.1365-2966.2006.11125.x |
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01_Grossi_Star_formation_history_and_2007.pdf | 1.35 MB | Adobe PDF | Request a copy |
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