2 papers
astro-ph2002
The Baldwin Effect and Black Hole Accretion: A Spectral Principal Component Analysis of a Complete QSO Sample
Zhaohui Shang, Beverley J. Wills, Edward L. Robinson +4
A unique set of UV-optical spectrograms of 22 low redshift QSOs are investigated using principal component analysis. We find three significant principal components over the broad w…
astro-ph2002
The Black Hole-Bulge Relationship in QSOs
G. A. Shields, K. Gebhardt, S. Salviander +5
We use QSO emission-line widths to examine the black hole mass - sigma relationship as a function of redshift and to extend the relationship to larger masses. Supermassive black ho…