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Observing the End of Cold Flow Accretion using Halo Absorption Systems
Kyle R. Stewart, Tobias Kaufmann, James S. Bullock +4
We use cosmological SPH simulations to study the cool, accreted gas in two Milky Way-size galaxies through cosmic time to z=0. We find that gas from mergers and cold flow accretion…
Interpreting the Evolution of the Size - Luminosity Relation for Disk Galaxies from Redshift 1 to the Present
Alyson Brooks, Adam Solomon, Fabio Governato +6
A sample of very high resolution cosmological disk galaxy simulations is used to investigate the evolution of galaxy disk sizes back to redshift 1 within the Lambda CDM cosmology.…
Hierarchical formation of bulgeless galaxies: Why outflows have low angular momentum
C. B. Brook, F. Governato, R. Roskar +9
Using high resolution, fully cosmological smoothed particle hydro-dynamical simulations of dwarf galaxies in a Lambda cold dark matter Universe, we show how baryons attain a final…
The Genesis of the Milky Way's Thick Disk via Stellar Migration
Sarah R. Loebman, Rok Roskar, Victor P. Debattista +3
The separation of the Milky Way disk into a thin and thick component is supported by differences in the spatial, kinematic and metallicity distributions of their stars. These diffe…
Wandering Black Holes in Bright Disk Galaxy Halos
Jillian Bellovary, Fabio Governato, Tom Quinn +3
We perform SPH+N-body cosmological simulations of massive disk galaxies, including a formalism for black hole seed formation and growth, and find that satellite galaxies containing…
Measuring the Clump Mass Function in the Age of SCUBA2, Herschel, and ALMA
M. A. Reid, J. Wadsley, N. Petitclerc +1
We use simulated images of star-forming regions to explore the effects of various image acquisition techniques on the derived clump mass function. In particular, we focus on the ef…