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The Galaxy Proximity Effect in the Lyman-alpha Forest
Juna A. Kollmeier, David H. Weinberg, Romeel Dave' +1
Hydrodynamic cosmological simulations predict that the average opacity of the Ly-alpha forest should increase in the neighborhood of galaxies because galaxies form in dense environ…
How Do Galaxies Get Their Gas?
Neal Katz, Dusan Keres, Romeel Dave +1
Not the way one might have thought. In hydrodynamic simulations of galaxy formation, some gas follows the traditionally envisioned route, shock heating to the halo virial temperatu…
Lyman Break Galaxies and the Lyman-alpha Forest
Juna A. Kollmeier, David H. Weinberg, Romeel Dave' +1
We use hydrodynamic simulations to predict correlations between Lya forest absorption and galaxies at redshift z~3. The probability distribution function (PDF) of Lya flux decremen…
X-ray Absorption by the Low-redshift Intergalactic Medium: A Numerical Study of the Lambda CDM model
Xuelei Chen, David H. Weinberg, Neal Katz +1
Using a hydrodynamic simulation of a LCDM universe, we investigate the "X-ray forest" absorption imprinted on the spectra of background quasars by the intervening intergalactic med…