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High- Quasar Candidate Archive: A Spectroscopic Catalog of Quasars and Contaminants in Various Quasar Searches
Da-Ming Yang, Jan-Torge Schindler, Riccardo Nanni +7
We present the high- quasar candidate archive (HzQCA), summarizing the spectroscopic observations of 174 quasar candidates using Keck/LRIS, Keck/MOSFIRE, and Keck/NI…
Demographics of z ~ 6 Quasars in the Black Hole Mass-Luminosity Plane
Jin Wu, Yue Shen, Linhua Jiang +8
We study the demographics of z ~ 6 broad-line quasars in the black hole (BH) mass-luminosity plane using a sample of more than 100 quasars at 5.7 < z < 6.5. These quasars have well…
Chemical Abundance of z~6 Quasar Broad-Line Regions in the XQR-30 Sample
Samuel Lai, Fuyan Bian, Christopher A. Onken +17
The elemental abundances in the broad-line regions of high-redshift quasars trace the chemical evolution in the nuclear regions of massive galaxies in the early universe. In this w…
A quasar shedding its dust cocoon at redshift 2
Weimin Yi, W. N. Brandt, Q. Ni +12
We present the first near-IR spectroscopy and joint analyses of multi-wavelength observations for SDSS J082747.14+425241.1, a dust-reddened, weak broad emission-line quasar (WLQ) u…
A Mock Catalog of Gravitationally Lensed Quasars for the LSST Survey
Minghao Yue, Xiaohui Fan, Jinyi Yang +1
We present a mock catalog of gravitationally lensed quasars at with simulated images for the Rubin Observatory Legacy Survey of Space and Time (LSST). We adopt r…