Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20918301m&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #183.01; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
It is well known that most galaxies contain dust. Dust reddens galaxies and does so as an increasing function of the galaxies observed inclination. Therefore when one looks at the properties of observed galaxies, such as the luminosity function, the correlation function or the color magnitude-diagram, one gets a distorted view of the properties of galaxies. This effect can be corrected for in a large galaxy sample such as the Sloan Digital Sky Survey. The procedure is to identify inclination dependence in an observed galaxy property, color being the most obvious choice, and then to solve for the function of inclination that will remove this observed dependence. In this way we can determine the intrinsic properties of galaxies, properties that are independent of their inclination. The distribution of these intrinsic properties give us an undistorted view into the nature of galaxies and are thus more useful for determining evolutionary effects and comparing to theoretical models.
Berlind Andreas A.
Blanton Michael
Hogg David
Maller Ariyed
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