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astro-ph2008★ 130 cited
The Nature and Origin of Low-Redshift O VI Absorbers
Benjamin D. Oppenheimer, Romeel A. Davé
The O VI ion observed in quasar absorption line spectra is the most accessible tracer of the cosmic metal distribution in the low redshift (z<0.5) intergalactic medium (IGM). We ex…
astro-ph2008★ 76 cited
Enrichment and Pre-Heating in Intragroup Gas from Galactic Outflows
Romeel Davé, Benjamin D. Oppenheimer, Suresh Sivanandam
We examine metal and entropy content in galaxy groups having T_X~0.5-2 keV in cosmological hydrodynamic simulations. Our simulations include a well-constrained prescription for gal…