Catalog of Isolated Galaxies Selected from the 2MASS Survey

Abstract

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 = 12 mag with angular diameters a_K > 30 arcsec. 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.

arXiv comment19 pages, 13 figures

References in corpus (8)

• 2MASS Extended Source Catalog: Overview and Algorithms
• The AMIGA sample of isolated galaxies - II. Morphological refinement
• The AMIGA sample of isolated galaxies. IV. A catalogue of neighbours around isolated galaxies
• The 2MASS Tully-Fisher relation for flat edge-on galaxies
• A morphology revaluation of galaxies in common from the Catalog of Isolated Galaxies and the Sloan Digital Sky Survey (DR6)
• Binary Galaxies in the Local Supercluster and Its Neighborhood
• A Catalog of Very Isolated Galaxies from the SDSS Data Release 1
• Galaxies and Groups in the Local Supercluster

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• Catalog of Nearby Isolated Galaxies in the Volume z<0.01
• Void galaxies in the nearby Universe. I. Sample description
• Formation of S0s in extreme environments I: clues from kinematics and stellar populations
• Faint Companions of Isolated 2MIG Galaxies
• Formation of S0s in extreme environments II: the star-formation histories of bulges, discs and lenses
• The VVV Near-IR Galaxy Catalogue beyond the Galactic disk
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• The Neutral Hydrogen Properties of Galaxies in Gas-rich Groups
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• Ultra-Flat Galaxies Selected from RFGC Catalog. III. Star Formation Rate
• Infrared composition of the Large Magellanic Cloud
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• Early-Type (E, S0) Galaxies in the Catalog of Isolated Galaxies (KIG)
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• Multiwavelength properties of the low-redshift isolated galaxies with active nuclei modelled with CIGALE
• Milky Way galaxy-analogs and isolated galaxies with bars: environmental density in the Local Volume