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astro-ph2007★ 147 cited

Quasar Broad Absorption Line Variability on Multi-Year Time Scales

Robert R. Gibson, W. N. Brandt, Donald P. Schneider +1

We use quantitative metrics to characterize the variation of CIV 1549 A broad absorption lines (BALs) over 3--6 (rest-frame) years in a sample of 13 quasars at 1.7 <= z <= 2.8 and…