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The Power Spectrum of the Lyman- Forest at z < 0.5
Vikram Khaire, Michael Walther, Joseph F. Hennawi +6
We present new measurements of the flux power-spectrum P(k) of the HI Lyman- forest spanning scales k ~ 0.001-0.1 s/km. These results were derived from 65 far ultraviole…
New Constraints on IGM Thermal Evolution from the Lyα Forest Power Spectrum
Michael Walther, Jose Oñorbe, Joseph F. Hennawi +1
We determine the thermal evolution of the intergalactic medium (IGM) over of cosmic time by comparing measurements of the Lyα forest power spectrum t…
Quantitative Constraints on the Reionization History from the IGM Damping Wing Signature in Two Quasars at z > 7
Frederick B. Davies, Joseph F. Hennawi, Eduardo Bañados +10
During reionization, neutral hydrogen in the intergalactic medium (IGM) imprints a damping wing absorption feature on the spectrum of high-redshift quasars. A detection of this sig…