350 citations · 4.5k across the 85 of their papers we have counts for
4 papers · 1 filter
Constraining Sub-Parsec Binary Supermassive Black Holes in Quasars with Multi-Epoch Spectroscopy. II. The Population with Kinematically Offset Broad Balmer Emission Lines
Xin Liu, Yue Shen, Fuyan Bian +2
A small fraction of quasars have long been known to show bulk velocity offsets in the broad Balmer lines with respect to the systemic redshift of the host galaxy. Models to explain…
Constraining sub-Parsec Binary Supermassive Black Holes in Quasars with Multi-Epoch Spectroscopy. I. The General Quasar Population
Yue Shen, Xin Liu, Abraham Loeb +1
We perform a systematic search for sub-parsec binary supermassive black holes (BHs) in normal broad line quasars at z<0.8, using multi-epoch SDSS spectroscopy of the broad Hbeta li…
Observations of Feedback from Radio-Quiet Quasars - II. Kinematics of Ionized Gas Nebulae
Guilin Liu, Nadia L. Zakamska, Jenny E. Greene +2
The prevalence and energetics of quasar feedback is a major unresolved problem in galaxy formation theory. In this paper, we present Gemini Integral Field Unit observations of ioni…
Observations of Feedback from Radio-Quiet Quasars: I. Extents and Morphologies of Ionized Gas Nebulae
Guilin Liu, Nadia L. Zakamska, Jenny E. Greene +2
Black hole feedback -- the strong interaction between the energy output of supermassive black holes and their surrounding environments -- is routinely invoked to explain the absenc…