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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/78565
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- Title
- Barred galaxies in the Coma cluster
- Author(s)
- Marinova, Irina; Jogee, Shardha; Trentham, Neil; Ferguson, Henry C.; Weinzirl, Tim; Balcelss, Marc; Carter, David; den Brok, Mark; Erwin, Peter; Graham, Alister W.; Goudfrooij, Paul; Guzman, Rafael; Hammer, Derek; Hoyos, Carlos; Peletier, Reynier F.; Huxor, Avon P.; Peng, Erik; Verdoes Kleijn, Gijs
- Abstract
- We use ACS data from the HST Treasury survey of the Coma cluster (z ~ 0.02) to study the properties of barred galaxies in the Coma core, the densest environment in the nearby Universe. This study provides a complementary data point for studies of barred galaxies as a function of redshift and environment. From ~470 cluster members brighter than MI = -11 mag, we select a sample of 46 disk galaxies (S0{Im) based on visual classification. The sample is dominated by S0s for which we find an optical bar fraction of 47 ± 11% through ellipse fitting and visual inspection. Among the bars in the core of the Coma cluster, we do not find any very large (abar > 2 kpc) bars. Comparison to other studies reveals that while the optical bar fraction for S0s shows only a modest variation across low-to-intermediate density environments (field to intermediate-density clusters), it can be higher by up to a factor of ~2 in the very high-density environment of the rich Coma cluster core.
- Publication type
- Conference paper
- Research centre
- Swinburne University of Technology. Faculty of Information and Communication Technologies. Centre for Astrophysics and Supercomputing
- Source
- Astronomical Society of the Pacific conference series: Proceedings of 'New horizons in astronomy', the 3rd Biennial Frank N. Bash Symposium, Austin, Texas, United States, 18-20 October 2009 / L. Stanford, L. Hao, Y. Mao and J. Green (eds.), Vol. 432 (2010), pp. 219-224
- Publication year
- 2010
- FOR Code(s)
- 020103 Cosmology and Extragalactic Astronomy
- Keyword(s)
- Coma cluster; Hubble Space Telescope observation data
- Publisher
- Astronomical Society of the Pacific
- ISBN
- 9781583817445, 1583817441
- Publisher URL
- http://www.aspbooks.org/a/volumes/table_of_contents/?book_id=481
- Publisher URL
- http://arxiv.org/abs/1002.4611
- Copyright
- Copyright © 2010 Astronomical Society of the Pacific. Accepted manuscript reproduced here in accordance with the copyright policy of the publisher.
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