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On the Origin and Evolution of the Galaxy Stellar Mass Function
Daniel D. Kelson, Andrew J. Benson, Louis E. Abramson
Here we explore the evolution of galaxy ensembles at early times by writing the in situ stellar mass growth of galaxies purely as a stationary stochastic (e.g., quasi-steady state)…
The Astropy Problem
Demitri Muna, Michael Alexander, Alice Allen +151
The Astropy Project (http://astropy.org) is, in its own words, "a community effort to develop a single core package for Astronomy in Python and foster interoperability between Pyth…
The Mass Function of Unprocessed Dark Matter Halos and Merger Tree Branching Rates
Andrew J. Benson
A common approach in semi-analytic modeling of galaxy formation is to construct Monte Carlo realizations of merger histories of dark matter halos whose masses are sampled from a ha…
The connection between the host halo and the satellite galaxies of the Milky Way
Yu Lu, Andrew Benson, Yao-Yuan Mao +5
Many properties of the Milky Way's dark matter halo, including its mass assembly history, concentration, and subhalo population, remain poorly constrained. We explore the connectio…
Achieving Convergence in Galaxy Formation Models by Augmenting N-body Merger Trees
Andrew J. Benson, Chris Cannella, Shaun Cole
Accurate modeling of galaxy formation in a hierarchical, cold dark matter universe requires the use of sufficiently high-resolution merger trees to obtain convergence in the predic…
Terrestrial planets across space and time
E. Zackrisson, P. Calissendorff, J. Gonzalez +3
The study of cosmology, galaxy formation and exoplanets has now advanced to a stage where a cosmic inventory of terrestrial planets may be attempted. By coupling semi-analytic mode…