Catalog of isolated galaxies selected from the 2MASS survey

被引：0

作者：

V. E. Karachentseva

S. N. Mitronova

O. V. Melnyk

I. D. Karachentsev

机构：

[1] Main Astronomical Observatory National Academy of Sciences,Special Astrophysical Observatory

[2] Russian Academy of Sciences,Institut d’Astrophysique et de Géophysique

[3] Université de Liège,Astronomical Observatory

[4] Taras Shevchenko Kiev National University,undefined

来源：

Astrophysical Bulletin | 2010年 / 65卷

关键词：

Radial Velocity; Astrophysical Bulletin; Angular Diameter; Apparent Magnitude; 2MASS Survey;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We search for isolated galaxies based on the automatic identification of isolated sources from the Two Micron All-Sky Survey (2MASS) followed by a visual inspection of their surroundings. We use the modified Karachentseva criterion to compile a catalog of 3227 isolated galaxies (2MIG), which contains 6% of 2MASS Extended Sources Catalog (or 2MASX) sources brighter than Ks = 12m with angular diameters aK ≥ 30″. The catalog covers the entire sky and has an effective depth of z ∼ 0.02. The 2493 very isolated objects of the catalog, which we include into the 2MVIG catalog, can be used as a reference sample to investigate the effects of the environment on the structure and evolution of galaxies located in regions with extremely low density of matter.

引用

页码：1 / 17

页数：16

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