Supermassive Black Hole Accretion Across the Age of the Universe
Anca Constantin
Broschiertes Buch

Supermassive Black Hole Accretion Across the Age of the Universe

Linking the Power Sources of Emission-Line Galaxy Nuclei from the Highest to the Lowest Redshifts

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This work searches for common grounds for the diversity of properties exhibited by the emission-line nuclei of galaxies, from large look-back times to the local universe. The studies presented here include: (1) a program of high signal-to-noise spectroscopy for 44 high redshift (z4) quasars using the MMT and Keck observatories; (2) a detailed analysis of the ultraviolet and optical spectral behavior of 22 Narrow Line Seyfert 1 (NLS1) galaxies based on archival Hubble Space Telescope (HST) spectra; (3) an in-depth investigation of the proposed link between NLS1s and z4 quasars, by means of comp...