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The z=0.54 LoBAL Quasar SDSS J085053.12+445122.5: II. The Nature of Partial Covering in the Broad-Absorption-Line Outflow
Karen M. Leighly, Donald M. Terndrup, Adrian B. Lucy +5
It has been known for 20 years that the absorbing gas in broad absorption line quasars does not completely cover the continuum emission region, and that partial covering must be ac…
The z=0.54 LoBAL Quasar SDSS J085053.12+445122.5: I. Spectral Synthesis Analysis Reveals a Massive Outflow
Karen M. Leighly, Donald M. Terndrup, Sarah C. Gallagher +2
We introduce SimBAL, a novel spectral-synthesis procedure that uses large grids of ionic column densities generated by the photoionization code Cloudy and a Bayesian model calibrat…
The Frequency of Intrinsic X-ray Weakness Among Broad Absorption Line Quasars
Hezhen Liu, B. Luo, W. N. Brandt +2
We present combined Chandra observations of seven broad absorption line (BAL) quasars selected from the Large Bright Quasar Survey (LBQS). Thes…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).I. Introduction to the Survey
A. Boselli, M. Fossati, L. Ferrarese +56
The Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) is a blind narrow-band Halpha+[NII] imaging survey carried out with MegaCam at the Canada-France-Hawaii Telesc…