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HERWIG 6.1 Release Note
G. Corcella, I. G. Knowles, G. Marchesini +5
A new version of the Monte Carlo program HERWIG (version 6.1) is now available. This note gives brief details of the new features relative to the previous version (5.9). A fully up…
The thermal history of the intergalactic medium
Joop Schaye, Tom Theuns, Michael Rauch +2
At redshifts z >~ 2, most of the baryons reside in the smooth intergalactic medium which is responsible for the low column density Lyman-alpha forest. This photoheated gas follows…
Damped Lyman alpha absorber and the faint end of the galaxy luminosity function at high redshift
Martin G. Haehnelt, Matthias Steinmetz, Michael Rauch
We combine predictions for several hierarchical cosmogonies with observational evidence on damped Lyman alpha systems to establish a correspondence between the high redshift galaxy…
The Observed Probability Distribution Function, Power Spectrum, and Correlation Function of the Transmitted Flux in the Lyman-alpha Forest
Patrick McDonald, Jordi Miralda-Escude, Michael Rauch +4
A sample of eight quasars observed at high resolution and signal-to-noise is used to determine the probability distribution function (PDF), the power spectrum, and the correlation…
KECK HIRES Spectroscopy of APM 08279+5255
Sara L. Ellison, Geraint F. Lewis, Max Pettini +5
With an optical R-band magnitude of 15.2, the recently discovered z=3.911 BAL quasar APM 08279+5255 is an exceptionally bright high redshift source. Its brightness has allowed us t…