Morphological classification and structural parameters of galaxies in the Coma and Perseus clusters

被引：16

作者：

Andreon, S ^{[1
]}

Davoust, E ^{[1
]}

Poulain, P ^{[1
]}

机构：

[1] OBSERV MIDI PYRENEES,CNRS UMR 5572,F-31400 TOULOUSE,FRANCE

来源：

ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 1997年 / 126卷 / 01期

关键词：

galaxies; clusters; individual; Coma; (Abell; 1656); Perseus; 426); elliptical and lenticular; cD; fundamental parameters;

D O I：

10.1051/aas:1997249

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the results of an isophotal shape analysis of galaxies in the Coma and Perseus clusters. These data, together with those of two previous papers, provide two complete samples of galaxies with reliable Hubble types in rich clusters: 1) all galaxies brighter than m(b) = 16.5 falling within one degree (= 2.3 Mpc) from the center of the Coma cluster (187 galaxies), 2) all galaxies brighter than m(Zwicky) = 15.7 in a region of 5 degrees 3' x 5 degrees 27' around the center of the Perseus cluster (139 galaxies). These two complete samples cover 5 orders of magnitude in galaxy density and span areas of 91 and 17 Mpc(2), clustercentric radii up to 6.4 and 2.3 Mpc, for Perseus and Coma respectively. They will be used in subsequent papers to study the dependence of galaxy types on cluster,environment and as reference samples in comparisons with distant clusters.

引用

页码：67 / 72

页数：6

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