Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004pabei..22...71l&link_type=abstract
Progress in Astronomy (ISSN 1000-8349), Vol. 22, No. 1, p. 71 - 80 (2004)
Astronomy and Astrophysics
Astrophysics
Astrophysics, Late-Type Galaxy, Review, Galaxy, Metallicity, Rotation Velocity
Scientific paper
The studies on the chemical abundances in galaxies are very important to understand the physical processes in galaxy formation and evolution, and to provide strong constraints on its framework. With the advantage of observation techniques and theoretical researches, systematic investigations on the relationships between metallicity and macroscopic properties in galaxies are possible, among which the strong correlation between metallicity and galaxy luminosity of galaxies is one of the most significant phenomena. However, recent researches have shown that the correlation of metallicity vs rotation velocity for spiral and irregular galaxies has no such noticeable phenomena. There seems to be a critical value in rotation velocity, below which the metallicity increases with rotation velocity, and above which the metallicity is almost constant. In the present paper, we summarize in detail the observed correlation between metallicity and rotation velocity for spiral and irregular galaxies, and the physical mechanisms are also discussed.
Fu Li-ping
Luo Zhi-Jian
Shu Cheng-Gang
Zhao Jun-Liang
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