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Quantifying the Precision of IGM Damping Wing Measurements Towards Quasars
Timo Kist, Joseph F. Hennawi, Frederick B. Davies
We investigate the precision with which the Lyman- damping wing signature imprinted on the spectra of high-redshift quasars (QSOs) by the foreground neutral intergalactic medium…
Precisely Measuring the Cosmic Reionization History from IGM Damping Wings Towards Quasars
Joseph F. Hennawi, Timo Kist, Frederick B. Davies +1
We introduce a new approach for analyzing the IGM damping wings imprinted on the proximity zones of quasars in the epoch of reionization (EoR). Whereas past work has typically forg…
A Spatially Resolved [CII] Survey of 31 Massive Galaxies Hosting Luminous Quasars
Feige Wang, Jinyi Yang, Xiaohui Fan +15
The [CII] 158 m emission line and the underlying far-infrared (FIR) dust continuum are important tracers for studying star formation and kinematic properties of early galaxies.…
A Massive Protocluster Anchored by a Luminous Quasar at
Feige Wang, Jinyi Yang, Joseph F. Hennawi +13
Protoclusters, the progenitors of galaxy clusters, trace large scale structures in the early Universe and are important to our understanding of structure formation and galaxy evolu…
Recognizing Blazars Using Radio Morphology from the VLA Sky Survey
Zhang-Liang Xie, Eduardo Banados, Silvia Belladitta +4
Blazars are radio-loud Active Galactic Nuclei (AGN) whose jets have a very small angle to our line of sight. Observationally, the radio emission are mostly compact or a compact-cor…