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Introducing Decorated HODs: modeling assembly bias in the galaxy-halo connection
Andrew P. Hearin, Andrew R. Zentner, Frank C. van den Bosch +2
The connection between galaxies and dark matter halos is often inferred from data using probabilistic models, such as the Halo Occupation Distribution (HOD). Conventional HOD formu…
Software Use in Astronomy: an Informal Survey
Ivelina Momcheva, Erik Tollerud
We report on an informal survey about the use of software in the worldwide astronomical community. The survey was carried out between December 2014 and February 2015, collecting re…
A Deep Study of the Dwarf Satellites Andromeda XXVIII & Andromeda XXIX
Colin T. Slater, Eric F. Bell, Nicolas F. Martin +2
We present the results of a deep study of the isolated dwarf galaxies Andromeda XXVIII and Andromeda XXIX with Gemini/GMOS and Keck/DEIMOS. Both galaxies are shown to host old, met…
The Lick AGN Monitoring Project 2011: Spectroscopic Campaign and Emission-Line Light Curves
A. J. Barth, V. N. Bennert, G. Canalizo +27
In the Spring of 2011 we carried out a 2.5 month reverberation mapping campaign using the 3 m Shane telescope at Lick Observatory, monitoring 15 low-redshift Seyfert 1 galaxies. Th…
Rapid Environmental Quenching of Satellite Dwarf Galaxies in the Local Group
Andrew R. Wetzel, Erik J. Tollerud, Daniel R. Weisz
In the Local Group, nearly all of the dwarf galaxies (M_star < 10^9 M_sun) that are satellites within 300 kpc (the virial radius) of the Milky Way (MW) and Andromeda (M31) have qui…
A Comprehensive Archival Search for Counterparts to Ultra-Compact High Velocity Clouds: Five Local Volume Dwarf Galaxies
D. J. Sand, D. Crnojević, P. Bennet +17
We report five Local Volume dwarf galaxies (two of which are presented here for the first time) uncovered during a comprehensive archival search for optical counterparts to ultra-c…