Optical and HI properties of isolated galaxies in the 2MIG catalog. I. General relationships

We analyze empirical relationships between optical, near infrared, and HI characteristics of isolated galaxies from the 2MIG Catalog covering the entire sky. Data on morphological types, K S − , and B-magnitudes, linear diameters, HI masses, and rotational velocities are examined. The regression par...

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Bibliographic Details
Published in:Astrophysics 2011-11, Vol.54 (4), p.445-462
Main Authors: Kudrya, Yu. N., Karachentseva, V. E., Karachentsev, I. D.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Astrophysics and Astroparticles
Astrophysics and Cosmology
Correlation coefficient
Observations and Techniques
Physics
Physics and Astronomy
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Star & galaxy formation
Stars & galaxies
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Summary:We analyze empirical relationships between optical, near infrared, and HI characteristics of isolated galaxies from the 2MIG Catalog covering the entire sky. Data on morphological types, K S − , and B-magnitudes, linear diameters, HI masses, and rotational velocities are examined. The regression parameters, dispersions, and correlation coefficients are calculated for pairs of these characteristics. The resulting relationships can be used to test the hierarchical theory of galaxy formation through numerous mergers of cold dark matter.
ISSN:0571-7256
1573-8191
DOI:10.1007/s10511-011-9195-4