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The impact of environment and mergers on the HI content of galaxies in hydrodynamic simulations
Mika Rafieferantsoa, Romeel Davé, Daniel Anglés-Alcazar +3
We quantitatively examine the effects of accretion and environment on the HI content of galaxies within a cosmological hydrodynamic simulation that reproduces basic observed trends…
The COS-Dwarfs Survey: The Carbon Reservoir Around sub-L* Galaxies
Rongmon Bordoloi, Jason Tumlinson, Jessica K. Werk +12
We report new observations of circumgalactic gas from the COS-Dwarfs survey, a systematic investigation of the gaseous halos around 43 low-mass z 0.1 galaxies using backgrou…
The Photon Underproduction Crisis
Juna A. Kollmeier, David H. Weinberg, Benjamin D. Oppenheimer +9
We examine the statistics of the low-redshift Lyman-alpha forest from smoothed particle hydrodynamic simulations in light of recent improvements in the estimated evolution of the c…
Calcium-rich Gap Transients: Solving the Calcium Conundrum in the Intracluster Medium
John S. Mulchaey, Mansi M. Kasliwal, Juna A. Kollmeier
X-ray measurements suggest the abundance of Calcium in the intracluster medium is higher than can be explained using favored models for core-collapse and Type Ia supernovae alone.…