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The Build-up of the Colour-Magnitude Relation

Published online by Cambridge University Press:  01 August 2006

Masayuki Tanaka  and
Tadayuki Kodama
Masayuki Tanaka
Affiliation:
Department of Astronomy, Graduate School of Science, University of Tokyo
Tadayuki Kodama
Affiliation:
National Astronomical Observatory ofJapan
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Abstract

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We discuss the build-up of the colour-magnitude relation. The colour-magnitude relation first appears at the bright end and the faint end appears later. Interestingly, the build-up of colour-magnitude relation is delayed in low density environments. We suggest that galaxies follow the environment-dependent down-sizing evolution.

Keywords

galaxies: clusters: generalgalaxies: evolutiongalaxies: fundamental parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 141
Copyright
Copyright © International Astronomical Union 2007

References

Kodama, T. 2005, PASJ, 57, 309.Google Scholar
Tanaka, M., Kodama, T., Arimoto, N., Okamura, S., Umetsu, K., Shimasaku, K., Tanaka, I., & Yamada, T. 2005, MNRAS, 362, 268.Google Scholar
Tanaka, M., Kodama, T., Arimoto, N., & Tanaka, I. 2006, MNRAS, 365, 1392.Google Scholar