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What Does Clustering Tell Us About the Buildup of the Red Sequence?
Jeremy L. Tinker, Andrew R. Wetzel
We analyze the clustering of red and blue galaxies from four samples spanning a redshift range of 0.4<z<2.0 to test the various scenarios by which galaxies evolve onto the red sequ…
What determines satellite galaxy disruption?
Andrew R. Wetzel, Martin White
In hierarchical structure formation, dark matter halos that merge with larger halos can persist as subhalos. These subhalos are likely hosts of visible galaxies. While the dense ha…
Mergers and Bulge Formation in Lambda-CDM: Which Mergers Matter?
Philip F. Hopkins, Kevin Bundy, Darren Croton +6
We use a suite of semi-empirical models to predict galaxy merger rates and contributions to bulge growth as functions of merger mass, redshift, and mass ratio. The models use empir…
Training the Next Generation of Astronomers
Peter K. G. Williams, Eric Huff, Holly Maness +28
While both society and astronomy have evolved greatly over the past fifty years, the academic institutions and incentives that shape our field have remained largely stagnant. As a…