The Color-Magnitude Relations of Late-type Spiral Galaxies and Their Disks

Details The Color-Magnitude Relations of Late-type Spiral Galaxies and Their Disks The Color-Magnitude Relations of Late-type Spiral Galaxies and Their Disks

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cha%26a..33..256l&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 33, Issue 3, p. 256-264.

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

The 395 late-type spiral galaxies brighter than 15m in r-band are selected from the Data Release 2 of Sloan Digital Sky Survey and the colormagnitude relations of these galaxies and their disks are investigated. It is found that the colors g - r, r - z and g - z of these galaxies and their disks are strongly correlated with the r-band absolute magnitudes, i.e., the more luminous galaxies (or disks) have the redder colors than the less luminous galaxies (or disks). And the correlation of galaxies is stronger than that of their disks.

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