Arid
DOI10.1086/339697
Redshift-distance survey of early-type galaxies. II. The D-n-sigma relation
Bernardi, M; Alonso, MV; da Costa, LN; Willmer, CNA; Wegner, G; Pellegrini, PS; Rite, C; Maia, MAG
通讯作者Bernardi, M
来源期刊ASTRONOMICAL JOURNAL
ISSN0004-6256
出版年2002
卷号123期号:5页码:2159-2182
英文摘要

R-band photometric and velocity dispersion measurements for a sample of 452 elliptical and SO galaxies in 28 clusters are used to construct a template D-n-sigma relation. This template relation is constructed by combining the data from the 28 clusters, under the assumption that galaxies in different clusters have similar properties. The photometric arid spectroscopic data used consist of new as well as published measurements, converted to a common system, as presented in an accompanying paper. The resulting direct relation, corrected for incompleteness bias, is log D-n = 1.203 log sigma + 1,406; the zero point has been defined by requiring distant clusters to be at rest relative to the cosmic microwave background. This zero point is consistent with the value obtained by using the distance to Virgo as determined by the Cepheid period-luminosity relation. This new D-n-sigma relation leads to a peculiar velocity of -72 +/- 189 km s(-1) for the Coma Cluster. The scatter in the distance relation corresponds to a distance. error of about 20%, comparable to the values obtained for the fundamental plane relation. Correlations between the scatter and residuals of the D-n-sigma relation with other parameters that characterize the cluster and/or the galaxy stellar population are also analyzed. The direct and inverse relations presented here have been used in recent studies of the peculiar velocity field mapped by the ENEAR all-sky sample.


英文关键词cosmology : observations galaxies : clusters : general large-scale structure of universe
类型Article
语种英语
国家USA ; Argentina ; Germany ; Brazil
收录类别SCI-E
WOS记录号WOS:000175311200002
WOS关键词PERSEUS-PISCES REGION ; TULLY-FISHER RELATION ; FUNDAMENTAL PLANE ; ELLIPTICAL GALAXIES ; PECULIAR MOTIONS ; SAMPLE SELECTION ; VELOCITY-FIELD ; SC GALAXIES ; CLUSTER-E ; PHOTOMETRY
WOS类目Astronomy & Astrophysics
WOS研究方向Astronomy & Astrophysics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/142107
作者单位(1)Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA;(2)Observ Astron, RA-5000 Cordoba, Argentina;(3)European So Observ, D-85748 Garching, Germany;(4)Observ Nacl, Dept Astron, BR-20921 Rio De Janeiro, Brazil;(5)Univ Calif Santa Cruz, Univ Calif Observ, Lick Observ, Santa Cruz, CA 95064 USA;(6)Dartmouth Coll, Dept Phys & Astron, Wilder Lab 6127, Hanover, NH 03755 USA
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GB/T 7714
Bernardi, M,Alonso, MV,da Costa, LN,et al. Redshift-distance survey of early-type galaxies. II. The D-n-sigma relation[J],2002,123(5):2159-2182.
APA Bernardi, M.,Alonso, MV.,da Costa, LN.,Willmer, CNA.,Wegner, G.,...&Maia, MAG.(2002).Redshift-distance survey of early-type galaxies. II. The D-n-sigma relation.ASTRONOMICAL JOURNAL,123(5),2159-2182.
MLA Bernardi, M,et al."Redshift-distance survey of early-type galaxies. II. The D-n-sigma relation".ASTRONOMICAL JOURNAL 123.5(2002):2159-2182.
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