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Systematic Properties of Galaxies: Implications for Galaxy Formation

Published online by Cambridge University Press:  19 July 2016

S. Okamura ,
K. Kodaira  and
M. Watanabe
S. Okamura
Affiliation:
Tokyo Astronomical Observatory, Mitaka, Tokyo, 181 Japan
K. Kodaira
Affiliation:
Tokyo Astronomical Observatory, Mitaka, Tokyo, 181 Japan
M. Watanabe
Affiliation:
Tokyo Astronomical Observatory, Mitaka, Tokyo, 181 Japan

Extract

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We have compiled a data base of V-band two-dimensional luminosity distribution for 261 galaxies in the Virgo and the Ursa Major regions (Watanabe 1983) using the 105-cm Schmidt telescope at the Kiso Observatory, Tokyo Astronomical Observatory. This is one of the largest collections of homogeneous surface photometry available to date, though the sample is biased for bright and large galaxies with m(V)≤14mag and/or D2 6≥2′. Among the sample galaxies we have selected some 200 certain members (V0<3500km/s) of the Virgo cluster and the Ursa Major clouds and performed various analyses on them to investigate systematic properties of galaxies. The two clusterings lie at nearly equal distance of (m-M)∼31.1 (Aaronson and Mould 1983). In the present paper we discuss the result of spheroid (bulge)/disk decomposition and velocity-luminosity relation for galaxies.

Type
CHAPTER V: The Theory of Galaxy Formation and Large-Scale Structure
Information
Symposium - International Astronomical Union , Volume 124: Observational Cosmology , 1987 , pp. 437 - 439
Copyright
Copyright © Reidel 1987 

References

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