Principal Component Analysis of SDSS Stellar Spectra

Details Principal Component Analysis of SDSS Stellar Spectra Principal Component Analysis of SDSS Stellar Spectra

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21340603m&link_type=abstract

American Astronomical Society, AAS Meeting #213, #406.03; Bulletin of the American Astronomical Society, Vol. 41, p.199

Computer Science

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We apply the Principal Component Analysis (PCA) to 140,000 stellar spectra obtained by SDSS. In order to avoid non-linear variation of spectra with effective temperature, we bin the sample into 0.02 mag wide intervals of the g-r color (-0.20

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