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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…
The X-SHOOTER/ALMA sample of Quasars in the Epoch of Reionization. I. NIR spectral modeling, iron enrichment and broad emission line properties
Jan-Torge Schindler, Emanuele Paolo Farina, Eduardo Banados +15
We present X-SHOOTER near-infrared spectroscopy of a large sample of 38 luminous ( to ) quasars at , which have complementary CII observations f…
Measurements of the z ~ 6 Intergalactic Medium Optical Depth and Transmission Spikes Using a New z > 6.3 Quasar Sample
Jinyi Yang, Feige Wang, Xiaohui Fan +9
We report new measurements of the intergalactic medium (IGM) Ly and Ly effective optical depth at , using a new sample of quasar sightlines including 32 quasars at…
Constraining the Gravitational Lensing of Quasars from their Proximity Zones
Frederick B. Davies, Feige Wang, Anna-Christina Eilers +1
Since their discovery twenty years ago, the observed luminosity function of quasars has been suspected to be biased by gravitational lensing. Apart from the recent disc…
A comparison of quasar emission reconstruction techniques for Lyman- and Lyman- transmission
S. E. I. Bosman, D. Ďurovčíková, F. B. Davies +1
Reconstruction techniques for intrinsic quasar continua are crucial for the precision study of Lyman- (Ly-) and Lyman- (Ly-) transmission at , where the $λ<1215…
A Significantly Neutral Intergalactic Medium Around the Luminous z=7 Quasar J0252-0503
Feige Wang, Frederick B. Davies, Jinyi Yang +14
Luminous quasars provide direct probes of the evolution of supermassive black holes (SMBHs) and the intergalactic medium (IGM) during the epoch of reionization (EoR). The L…