期刊
ASTROPHYSICAL BULLETIN
卷 65, 期 1, 页码 1-17出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1990341310010013
关键词
-
资金
- Russian Foundation for Basic Research [06-02-04017-NNIO-a, 07-02-00005-a, 09-02-90414-Ukr-a]
- State Foundation for Basic Research of the Ministry of Science and Education of Ukraine [F28.2.059]
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 K (s) = 12 (m) with angular diameters a (K) a parts per thousand yen 30aEuro(3). The catalog covers the entire sky and has an effective depth of z similar to 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.
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