The peculiar motions of early-type galaxies in two distant regions .1. Cluster and galaxy selection

被引：50

作者：

Wegner, G

Colless, M

Baggley, G

Davies, RL

Bertschinger, E

Burstein, D

McMahan, RK

Saglia, RP

机构：

[1] DARTMOUTH COLL, DEPT PHYS & ASTRON, HANOVER, NH 03755 USA

[2] AUSTRALIAN NATL UNIV, MT STROMLO & SIDING SPRING OBSERV, WESTON, ACT 2611, AUSTRALIA

[3] UNIV DURHAM, DEPT PHYS, DURHAM DH1 3LE, ENGLAND

[4] MIT, DEPT PHYS, CAMBRIDGE, MA 02139 USA

[5] ARIZONA STATE UNIV, DEPT PHYS & ASTRON, TEMPE, AZ 85287 USA

[6] UNIV N CAROLINA, DEPT PHYS & ASTRON, CHAPEL HILL, NC 27599 USA

[7] UNIV STERNWARTE, D-81679 MUNICH, GERMANY

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 1996年 / 106卷 / 01期

关键词：

galaxies; clusters; general; distances and redshifts; elliptical and lenticular; cD; surveys; LARGE-SCALE; ELLIPTICAL GALAXIES; VELOCITY DISPERSIONS; FUNDAMENTAL PLANE; GREAT ATTRACTOR; LOCAL UNIVERSE; RICH CLUSTERS; BULK FLOWS; STREAMING MOTIONS; ABELL CLUSTERS;

D O I：

10.1086/192325

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The EFAR project is a study of 736 candidate elliptical galaxies in 84 clusters lying in two regions, toward Hercules-Corona Borealis and Perseus-Pisces-Cetus, at distances cz approximate to 6000-15,000 km s(-1). In this paper (the first of a series), we present an introduction to the EFAR project and describe in detail the selection of the clusters and galaxies in our sample. Fundamental data for the galaxies and clusters are given, including accurate new positions for each galaxy and redshifts for each cluster. The galaxy selection functions are determined by using diameters measured from Schmidt sky survey images for 2185 galaxies in the cluster fields. Future papers in this series will present the spectroscopic and photometric observations of this sample, investigate the properties of the fundamental plane for elliptical galaxies, and determine the large-scale peculiar velocity fields in these two regions of the universe.

引用

页码：1 / 26

页数：26

共 76 条

[1] A DISTANCE SCALE FROM THE INFRARED MAGNITUDE/H-I VELOCITY-WIDTH RELATION .5. DISTANCE MODULI TO 10 GALAXY CLUSTERS, AND POSITIVE DETECTION OF BULK SUPERCLUSTER MOTION TOWARD THE MICROWAVE ANISOTROPY [J].