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Kiloparsec-scale ALMA Imaging of [CII] and Dust Continuum Emission of 27 Quasar Host Galaxies at z~6
Bram Venemans, Fabian Walter, Marcel Neeleman +12
We present a study of the [CII] 158micron line and underlying far-infrared (FIR) continuum emission of 27 quasar host galaxies at z~6, traced by the Atacama Large Millimeter/submil…
Revealing the Accretion Physics of Supermassive Black Holes at Redshift z~7 with Chandra and Infrared Observations
Feige Wang, Xiaohui Fan, Jinyi Yang +14
X-ray emission from quasars has been detected up to redshift , although only limited to a few objects at . In this work, we present new Chandra observations of five $…
Interstellar and Circumgalactic Properties of an Unseen Galaxy: Abundances, Ionization, and Heating in the Earliest Known Quasar Absorber
Robert A. Simcoe, Masafusa Onoue, Anna-Christina Eilers +5
We analyze relative abundances and ionization conditions in a strong absorption system at z=6.84, seen in the spectrum of the z=7.54 background quasar ULAS J134208.10+092838.61. Si…
Strong Mg II and Fe II Absorbers at 2.2 < z < 6.0
Siwei Zou, Linhua Jiang, Yue Shen +13
We present a study of strong intervening absorption systems in the near-IR spectra of 31 luminous quasars at . The quasar spectra were obtained with {\it Gemini} GNIRS that…
No evidence for [CII] halos or high-velocity outflows in z>6 quasar host galaxies
Mladen Novak, Bram P. Venemans, Fabian Walter +13
We study the interstellar medium in a sample of 27 high-redshift quasar host galaxies at z>6, using the [CII] 158um emission line and the underlying dust continuum observed at ~1kp…
A Closer Look at Two of the Most Luminous Quasars in the Universe
Jan-Torge Schindler, Xiaohui Fan, Mladen Novak +7
Ultra-luminous quasars () provide us with a rare view into the nature of the most massive and most rapidly accreting supermassive black holes (SMBHs). Following…