Vanishing absorption and blueshifted emission in FeLoBAL quasars
Monthly Notices of the Royal Astronomical Society（2016）
Abstract
We study the dramatic decrease in iron absorption strength in the iron low-ionization broad absorption line quasar SDSS J084133.15+200525.8. We report on the continued weakening of absorption in the prototype of this class of variable broad absorption line quasar, FBQS J140806.2+305448. We also report a third example of this class, SDSS J123103.70+392903.6; unlike the other two examples, it has un...
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Key words
quasars: absorption lines
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