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Quasar Spectrum Classification with Principal Component Analysis (PCA): Emission Lines in the Lyα Forest

  • Suzuki N
The Astrophysical Journal Supplement Series (2006) 163(1) 110-121
DOI: 10.1086/499272
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Abstract

We investigate the variety in quasar UV spectra (lambdalambda1020-1600), with emphasis on the weak emission lines inthe Lyalpha forest region, using principal component analysis (PCA).We use 50 smooth continuum-fitted quasar spectra (0.14

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Suzuki, N. (2006). Quasar Spectrum Classification with Principal Component Analysis (PCA): Emission Lines in the Lyα Forest. The Astrophysical Journal Supplement Series, 163(1), 110–121. https://doi.org/10.1086/499272

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