423 citations · 4.3k across the 68 of their papers we have counts for
4 papers · 2 filters
Continuous statistics of the Lyman-alpha forest at 0 < z < 1.6: the mean flux, flux distribution, and autocorrelation from HST FOS spectra
David Kirkman, David Tytler, Dan Lubin +1
We measure the amount of absorption in the Lyman-alpha forest at 0 < z < 1.6 in HST FOS spectra of 74 QSOs. At 0 < z < 1.6 we find that 79% of the absorption is from the low densit…
Probing Quasar Outflows with Intrinsic Narrow Absorption Lines
T. Misawa, M. Eracleous, J. C. Charlton +5
We present statistical and monitoring results of narrow absorption lines that are physically related to quasars (i.e., intrinsic NALs). We use Keck/HIRES spectra of 37 optically br…
Spectral shape of the UV ionizing background and HeII absorption at redshifts 1.8 < z < 2.9
I. I. Agafonova, S. A. Levshakov, D. Reimers +4
The shape of the UV ionizing background is reconstructed from optically thin metal absorption-line systems identified in spectra of HE2347-4342, Q1157+3143, and HS1700+6416 in the…
The Evolution of Lyman alpha Absorbers in the Redshift Range 0.5<z<1.9
E. Janknecht, D. Reimers, S. Lopez +1
We investigate the evolution and the statistical properties of the Lya absorbers of the intergalactic medium (IGM) in the largely unexplored redshift range z=0.5-1.9. We use high-r…