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Angular clustering properties of the DESI QSO target selection using DR9 Legacy Imaging Surveys
Edmond Chaussidon, Christophe Yèche, Nathalie Palanque-Delabrouille +12
The quasar target selection for the upcoming survey of the Dark Energy Spectroscopic Instrument (DESI) will be fixed for the next five years. The aim of this work is to validate th…
Outflow and hot dust emission in high redshift quasars
Huiyuan Wang, Feijun Xing, Kai Zhang +3
Correlations of hot dust emission with outflow properties are investigated, based on a large z~2 non-broad absorption lines quasar sample built from the Wide-field Infrared Survey…
Connection Between Mid-Infrared Emission Properties and Narrow Line Region Outflows in Type 1 Active Galactic Nuclei
Kai Zhang, Ting-Gui Wang, Lin Yan +1
The location of warm dust producing the Mid-infrared (MIR) emission in Type 1 Active Galactic Nuclei (AGNs) is complex and not yet fully known. We explore this problem by studying…
The Baldwin effect in the narrow emission lines of AGNs
Kai Zhang, Ting-Gui Wang, C. Martin Gaskell +1
The anti-correlations between the equivalent widths of emission lines and the continuum luminosity in AGNs, known as the Baldwin effect are well established for broad lines, but ar…
The Blueshifting and Baldwin effects for the [OIII] 5007 Emission Line in Type 1 Active Galactic Nuclei
Kai Zhang, Xiao-Bo Dong, Ting-Gui Wang +1
We use homogeneous samples of radio-quiet Seyfert 1 galaxies and QSOs selected from the Sloan Digital Sky Survey to investigate the connection between the velocity shift and the eq…
Estimating Black Hole Masses in Active Galactic Nuclei Using the MgII 2800 Emission Line
Jian-Guo Wang, Xiao-Bo Dong, Ting-Gui Wang +6
We investigate the relationship between the linewidths of broad Mg II \lambda2800 and Hbeta in active galactic nuclei (AGNs) to refine them as tools to estimate black hole (BH) mas…