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Fast Outflow in the Host Galaxy of the Luminous z 7.5 Quasar J10072115
Weizhe Liu, Xiaohui Fan, Jinyi Yang +24
James Webb Space Telescope opens a new window to directly probe luminous quasars powered by billion solar mass black holes in the epoch of reionization and their co-evolution with…
No Redshift Evolution in the Fe II/Mg II Flux Ratios of Quasars across Cosmic Time
Danyang Jiang, Masafusa Onoue, Linhua Jiang +13
The Fe II/Mg II emission line flux ratio in quasar spectra serves as a proxy for the relative Fe to alpha-element abundances in the broad line regions of quasars. Due to the expect…
The Decoupled Kinematics of high-z QSO Host Galaxies and their Lya halos
Alyssa Drake, Marcel Neeleman, Bram P. Venemans +7
We present a comparison of the interstellar medium traced by [CII] (ALMA), and ionised halo gas traced by Lya (MUSE), in and around QSO host galaxies at z~6. To date, 18 QSOs at th…
Staring at the Shadows of Archaic Galaxies: Damped Ly and Metal Absorbers toward a Young Weak-line Quasar
Irham Taufik Andika, Knud Jahnke, Eduardo Bañados +6
We characterize the Ly halo and absorption systems toward PSO J083+11, a unique weak-line quasar, using Gemini/GNIRS, Magellan/FIRE, and VLT/MUSE data. Strong absorpt…
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…
APEX at the QSO MUSEUM: molecular gas reservoirs associated with 3 quasars and their link to the extended Ly emission
N. Muñoz-Elgueta, F. Arrigoni Battaia, G. Kauffmann +5
Cool gas (T10~K) traced by hydrogen Ly emission is now routinely detected around quasars, but little is known about their molecular gas reservoirs. Here, we…