The Phylogeny of Quasars and the Ontogeny of Their Central Black Holes


The connection between multifrequency quasar observational and physical parameters related to accretion processes is still open to debate. In the last 20 year, Eigenvector 1-based approaches developed since the early papers by Boroson and Green (1992) and Sulentic et al. (2000b) have been proven to be a remarkably powerful tool to investigate this issue… (More)
DOI: 10.3389/fspas.2017.00001


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