Evidence of increased UV Fe II emission in quasars in candidate overdense regions

K A Harris,Gerard M Williger,Lutz Haberzettl, S Mitchell,D Farrah,Matthew J Graham,Romeel Dave, M P Younger,Ilona K Sochting

Monthly Notices of the Royal Astronomical Society（2013）

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摘要

We present evidence for a skewed distribution of UV Fe II emission in quasars within candidate overdense regions spanning spatial scales of ∼50 Mpc at 1.11 42 Å) and a dearth of low-equivalent-width sources. There are various possible explana...

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关键词

galaxies: abundances,galaxies: active,quasars: emission lines,large-scale structure of Universe

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