The density structure around quasars from optical depth statistics

@article{Rollinde2005TheDS,
  title={The density structure around quasars from optical depth statistics},
  author={E. Rollinde and R. Srianand and T. Theuns and P. Petitjean and H. Chand},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2005},
  volume={361},
  pages={1015-1029}
}
We present a method for studying the proximity effect and the density structure around redshift z = 2‐3 quasars. It is based on the probability distribution of Lyman α pixel optical depths and its evolution with redshift. We validate the method using mock spectra obtained from hydrodynamical simulations, and then apply it to a sample of 12 bright quasars at redshifts 2‐3 observed with the Ultraviolet and Visible Echelle Spectrograph (UVES) at the VLT-UT2 Kueyen European Southern Observatory… Expand
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