Optical and HI properties of isolated galaxies in the 2MIG catalog. II. The Tully-Fisher relation

Direct, inverse, and orthogonal regression fits for Tully-Fisher (TF) relations in the B and K bands are constructed for isolated galaxies in the 2MIG catalog based on data from the catalog and the HyperLEDA data base. The slope of the TF relations becomes steeper on going from the B to the K band,...

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Bibliographic Details
Published in:Astrophysics 2012-12, Vol.55 (4), p.435-447
Main Authors: Kudrya, Yu. N., Karachentseva, V. E.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Astrophysics and Astroparticles
Astrophysics and Cosmology
Galaxies
Observations and Techniques
Optical properties
Physics
Physics and Astronomy
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Stars & galaxies
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Summary:Direct, inverse, and orthogonal regression fits for Tully-Fisher (TF) relations in the B and K bands are constructed for isolated galaxies in the 2MIG catalog based on data from the catalog and the HyperLEDA data base. The slope of the TF relations becomes steeper on going from the B to the K band, as well as from earlier to later morphological types. The scatter in these relations for highly inclined late type spirals turn out to be factors of 1.3 (B) and 1.8 (K) smaller than for spirals with arbitrary inclinations. Statistically significant regressors are found for multiparameter generalizations of the inverse TF relations in the B-band.
ISSN:0571-7256
1573-8191
DOI:10.1007/s10511-012-9250-9