Narrow Absorption Lines Complex. II. Probing the Line-locking Signatures within the Trough-like Broad Absorption Line

In this paper, we report the line-locking phenomenon of the blended narrow absorption lines (NALs) within trough-like broad absorption lines (BALs) in quasar SDSS J021740.96-085447.9 (hereafter J0217-0854). Utilizing the two-epoch spectroscopic observations of J0217-0854 from the Sloan Digital Sky S...

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Veröffentlicht in:	The Astrophysical journal 2018-08, Vol.863 (2), p.186
Hauptverfasser:	Lu, Wei-Jian, Lin, Ying-Ru
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Astrophysics galaxies: active Helium Locking Quasars quasars: absorption lines quasars: individual (SDSS J021740.96-085447.9) Signatures Sky surveys (astronomy) Space telescopes Troughs
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