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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/37397
- The 6dF Galaxy Survey: a low-redshift benchmark for bulge-dominated galaxies
- Colless, Matthew; Jones, Heath; Proctor, Robert N.; Harrison, Craig; Campbell, Lachlan; Lah, Philip
- The 6dF Galaxy Survey provides a very large sample of galaxies with reliable measurements of Lick line indices and velocity dispersions. This sample can be used to explore the correlations between mass and stellar population parameters such as age, metallicity and [/Fe]. Preliminary results from such an analysis are presented here, and show that age and metallicity are significantly anti-correlated for both passive and star-forming galaxies. Passive galaxies have strong correlations between mass and metallicity and between age and -element over-abundance, which combine to produce a downsizing relation between age and mass. For old passive galaxies, the different trends of M/L with mass and luminosity in different passbands result from the differential effect of the massmetallicity relation on the luminosities in each passband. Future work with this sample will examine the Fundamental Plane of bulge-dominated galaxies and the influence of environment on relations between stellar population parameters and mass.
- Publication type
- Conference paper
- Research centre
- Swinburne University of Technology. Faculty of Information and Communication Technologies. Centre for Astrophysics and Supercomputing
- Proceedings of the International Astronomical Union Symposium S245: Formation and Evolution of Galaxy Bulges, Oxford, United Kingdom, 16-20 July 2007, Vol. 3, pp. 399-402
- Publication year
- 6dF Galaxy Survey; Abundances; Bulges; Galaxies; Stellar content
- Cambridge University Press
- Publisher URL
- Copyright © 2008 International Astronomical Union.
- Peer reviewed