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On the structure and energetics of quasar broad absorption-line outflows
Fred Hamann, Hanna Herbst, Isabelle Paris +1
Quasar accretion-disk outflows might play an important role in galaxy evolution, but they are notoriously difficult to study due to line saturation and blending problems in the Ly-…
Spectropolarimetry of High Redshift Obscured and Red Quasars
Rachael M. Alexandroff, Nadia L. Zakamska, Aaron J. Barth +6
Spectropolarimetry is a powerful technique that has provided critical support for the geometric unification model of local active galactic nuclei. In this paper, we present optical…
Eclipsing damped Ly systems in the Sloan Digital Sky Survey Data Release 12
Hassan Fathivavsari, Patrick Petitjean, Narges Jamialahmadi +6
We present the results of our automatic search for proximate damped Ly absorption (PDLA) systems in the quasar spectra from the Sloan Digital Sky Survey Data Release 12. We cons…
The Sloan Digital Sky Survey Quasar Catalog: Fourteenth Data Release
I. Pâris, P. Petitjean, E. Aubourg +38
We present the Data Release 14 Quasar catalog (DR14Q) from the extended Baryon Oscillation Spectroscopic Survey (eBOSS) of the Sloan Digital Sky Survey IV (SDSS-IV). This catalog i…