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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 607304.0, MPI für Astronomie / Publikationen_mpia
Barred disks in dense environments
Authors:Marinova, I.; Jogee, S.; Heiderman, A.; Barazza, F. D.; Gray, M. E.; Barden, M.; Wolf, C.; Peng, C. Y.; Bacon, D.; Balogh, M.; Bell, E. F.; Böhm, A.; Caldwell, J. A. R.; Häußler, B.; Heymans, C.; Jahnke, K.; van Kampen, E.; Lane, K.; McIntosh, D. H.; Meisenheimer, K.; Sánchez, S. F.; Somerville, R.; Taylor, A.; Wisotzki, L.; Zheng, X.
Date of Publication (YYYY-MM-DD):2011
Journal Abbrev.:Memorie della Societa Astronomica Italiana Supplementi
Start Page:61
End Page:67
Audience:Not Specified
Abstract / Description:We investigate the properties of bright barred and unbarred disks in the Abell 901/902 cluster system at zËœ 0.165 with the STAGES HST ACS survey. We find that the global optical bar fraction in the clusters is Ëœ 30% regardless of the method of disk selection. Within a given absolute magnitude bin, the bar fraction increases for galaxies with no significant bulge component. Within each morphological type bin, the bar fraction increases for brighter galaxies. We find no strong trend for the bar fraction with local density within the cluster between the core and virial radius. We discuss the implications of our results for the evolution of bars and disks in dense environments.
Free Keywords:galaxies: clusters: individual: Abell 901/902; galaxies: evolution
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
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