Variability in Quasar Broad Absorption Line Outflows I. Trends in the Short-Term versus Long-Term Data

Details Variability in Quasar Broad Absorption Line Outflows I. Trends in the Short-Term versus Long-Term Data Variability in Quasar Broad Absorption Line Outflows I. Trends in the Short-Term versus Long-Term Data

2010-12-10

arxiv.org/abs/1012.2336v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

14 pages, 7 figures, accepted for publication in MNRAS

Scientific paper

Broad absorption lines (BALs) in quasar spectra identify high velocity outflows that likely exist in all quasars and could play a major role in feedback to galaxy evolution. The variability of BALs can help us understand the structure, evolution, and basic physical properties of the outflows. Here we report on our first results from an ongoing BAL monitoring campaign of a sample of 24 luminous quasars at redshifts 1.2

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