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Multi-wavelength Luminosity Functions of GalaxiesMultivariate or multi-wavelength luminosity functions will reveal the interplay between star formation, chemical evolution, and absorption and re-emission of dust within evolving galaxy populations. By using principal component analysis to reduce the dimensionality of the problem, we optimally extract the relevant photometric information from large galaxy catalogs. As a demonstration of the technique, we derive the multi-wavelength luminosity function for the galaxies in the released SDSS catalog, and compare the results with those obtained by traditional methods. This technique will be applicable to catalogs of galaxies from datasets obtained by 2MASS, and the SIRTF and GALEX missions.
Document ID
20040013143
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Gardner, J. P. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Miller, N. A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2002
Subject Category
Astronomy
Meeting Information
Meeting: American Astronomical Society
Location: Seattle, WA
Country: United States
Start Date: January 5, 2002
End Date: January 9, 2002
Sponsors: American Astronomical Society
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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