中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
BARRED GALAXIES IN THE ABELL 901/2 SUPERCLUSTER WITH STAGES

文献类型:期刊论文

作者Marinova, Irina1; Jogee, Shardha1; Heiderman, Amanda1; Barazza, Fabio D.2; Gray, Meghan E.3; Barden, Marco4; Wolf, Christian5; Peng, Chien Y.6,7; Bacon, David8; Balogh, Michael9
刊名ASTROPHYSICAL JOURNAL
出版日期2009-06-20
卷号698期号:2页码:1639-1658
ISSN号0004-637X
关键词galaxies: clusters: general galaxies: evolution galaxies: spiral galaxies: structure
英文摘要We present a study of bar and host disk evolution in a dense cluster environment, based on a sample of similar to 800 bright (M-V <= -18) galaxies in the Abell 901/2 supercluster at z similar to 0.165. We use Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) F606W imaging from the STAGES survey, and data from Spitzer, XMM-Newton, and COMBO-17. We identify and characterize bars through ellipse-fitting, and other morphological features through visual classification. We find the following results. (1) To define the optical fraction of barred disk galaxies, we explore three commonly used methods for selecting disk galaxies. We find 625, 485, and 353 disk galaxies, respectively, via visual classification, a single component Sersic cut (n <= 2.5), and a blue-cloud cut. In cluster environments, the latter two methods suffer from serious limitations, and miss 31% and 51%, respectively, of visually identified disks, particularly the many red, bulge-dominated disk galaxies in clusters. (2) For moderately inclined disks, the three methods of disk selection, however, yield a similar global optical bar fraction (f(bar-opt)) of 34%(+10%)(-3%) (115/340), 31%(+10%)(-3%) (58/189), and 30%(+10%)(-3%) (72/241), respectively. (3) We explore f(bar-opt) as a function of host galaxy properties and find that it rises in brighter galaxies and those which appear to have no significant bulge component. Within a given absolute magnitude bin, f(bar-opt) is higher in visually selected disk galaxies that have no bulge as opposed to those with bulges. Conversely, for a given visual morphological class, f(bar-opt) rises at higher luminosities. Both results are similar to trends found in the field. (4) For bright early-types, as well as faint late-type systems with no evident bulge, the optical bar fraction in the Abell 901/2 clusters is comparable within a factor of 1.1-1.4 to that of field galaxies at lower redshifts (z < 0.04). (5) Between the core and the virial radius of the cluster (R similar to 0.25-1.2 Mpc) at intermediate environmental densities (log(Sigma(10)) similar to 1.7-2.3), the optical bar fraction does not appear to depend strongly on the local environment density tracers (kappa, Sigma(10), and intracluster medium (ICM) density), and varies at most by a factor of similar to 1.3. Inside the cluster core, we are limited by number statistics, projection effects, and different trends from different indicators, but overall f(bar-opt) does not show evidence for a variation larger than a factor of 1.5. We discuss the implications of our results for the evolution of bars and disks in dense environments.
学科主题Astronomy & Astrophysics
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; RED-SEQUENCE GALAXIES ; DARK-MATTER ; SPIRAL GALAXIES ; DISK GALAXIES ; SECULAR EVOLUTION ; STAR-FORMATION ; DYNAMICAL FRICTION ; SURFACE PHOTOMETRY ; STELLAR BARS
收录类别SCI
语种英语
WOS记录号WOS:000266782400052
公开日期2011-12-08
源URL[http://159.226.72.40/handle/332002/1585]  
专题紫金山天文台_星系中的恒星形成研究团组
作者单位1.Univ Texas Austin, Dept Astron, Austin, TX 78712 USA
2.Ecole Polytech Fed Lausanne, Astrophys Lab, Sauverny, Switzerland
3.Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England
4.Univ Innsbruck, Inst Astro & Particle Phys, A-6020 Innsbruck, Austria
5.Univ Oxford, Dept Astrophys, Oxford OX1 3RH, England
6.NRC Herzberg Inst Astrophys, Victoria, BC, Canada
7.Space Telescope Sci Inst, Baltimore, MD 21218 USA
8.Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth, Hants, England
9.Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada
10.Max Planck Inst Astron, D-69117 Heidelberg, Germany
推荐引用方式
GB/T 7714
Marinova, Irina,Jogee, Shardha,Heiderman, Amanda,et al. BARRED GALAXIES IN THE ABELL 901/2 SUPERCLUSTER WITH STAGES[J]. ASTROPHYSICAL JOURNAL,2009,698(2):1639-1658.
APA Marinova, Irina.,Jogee, Shardha.,Heiderman, Amanda.,Barazza, Fabio D..,Gray, Meghan E..,...&Zheng, Xianzhong.(2009).BARRED GALAXIES IN THE ABELL 901/2 SUPERCLUSTER WITH STAGES.ASTROPHYSICAL JOURNAL,698(2),1639-1658.
MLA Marinova, Irina,et al."BARRED GALAXIES IN THE ABELL 901/2 SUPERCLUSTER WITH STAGES".ASTROPHYSICAL JOURNAL 698.2(2009):1639-1658.

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来源:紫金山天文台

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