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- W2597779061 abstract "Abstract Quasars show a considerable spectroscopic diversity. However, the variety of quasar spectra at low redshifts is non-random: a principal component analysis applied to large samples customarily identifies two main eigenvectors. In this contribution we show that the range of quasar optical spectral properties observed at low-z and associated with the first eigenvector is preserved up to z ≈ 2 in a sample of high luminosity quasars. We also describe two major luminosity effects." @default.
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- W2597779061 date "2011-01-01" @default.
- W2597779061 modified "2023-10-01" @default.
- W2597779061 title "Hints on the Broad Line Region Structure of Quasars at High and Low Luminosities" @default.
- W2597779061 doi "https://doi.org/10.1515/astro-2017-0322" @default.
- W2597779061 hasPublicationYear "2011" @default.
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