350 citations · 2k across the 43 of their papers we have counts for
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astro-ph.GA2017★ 3 cited
Leaked Lya emission: an indicator of the size of quasar absorption outflows
Zhicheng He, Guilin Liu, Tinggui Wang +2
The galactocentric distance of quasar absorption outflows are conventionally determined using absorption troughs from excited states, a method hindered by severely saturated or sel…
astro-ph.GA2017★ 8 cited
SDSS J1640+1932: a spectacular galaxy-quasar strong lens system
Lin Wang, Yiping Shu, Ran Li +3
We present Canada-France-Hawaii Telescope (CFHT) MegaCam observations of a galaxy-quasar strong gravitational lens system, SDSS J1640+1932. This system, located at z=0.195 (foregro…
astro-ph.GA2017★ 56 cited
Variation of ionizing continuum: the main driver of Broad Absorption Line Variability
Zhicheng He, Tinggui Wang, Hongyan Zhou +5
We present a statistical analysis of the variability of broad absorption lines (BALs) in quasars using the large multi-epoch spectroscopic dataset of the Sloan Digital Sky Survey D…