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Core Formation in Dwarf Halos with Self Interacting Dark Matter: No Fine-Tuning Necessary
Oliver D. Elbert, James S. Bullock, Shea Garrison-Kimmel +3
We investigate the effect of self-interacting dark matter (SIDM) on the density profiles of isolated dwarf dark matter halos -- the scale of relev…
The MOSFIRE Deep Evolution Field (MOSDEF) Survey: Rest-Frame Optical Spectroscopy for ~1500 H-Selected Galaxies at 1.37 < z < 3.8
Mariska Kriek, Alice E. Shapley, Naveen A. Reddy +21
In this paper we present the MOSFIRE Deep Evolution Field (MOSDEF) survey. The MOSDEF survey aims to obtain moderate-resolution (R=3000-3650) rest-frame optical spectra (~3700-7000…
Global Properties of M31's Stellar Halo from the SPLASH Survey: II. Metallicity Profile
Karoline M. Gilbert, Jason S. Kalirai, Puragra Guhathakurta +9
We present the metallicity distribution of red giant branch (RGB) stars in M31's stellar halo, derived from photometric metallicity estimates for over 1500 spectroscopically confir…
The Mass Dependance of Satellite Quenching in Milky Way-like Halos
John I. Phillips, Coral Wheeler, Michael C. Cooper +3
Using the Sloan Digital Sky Survey, we examine the quenching of satellite galaxies around isolated Milky Way-like hosts in the local Universe. We find that the efficiency of satell…
Running with BICEP2: Implications for Small-Scale Problems in CDM
Shea Garrison-Kimmel, Shunsaku Horiuchi, Kevork N. Abazajian +2
The BICEP2 results, when interpreted as a gravitational wave signal and combined with other CMB data, suggest a roll-off in power towards small scales in the primordial matter powe…
Near-Field Limits on the Role of Faint Galaxies in Cosmic Reionization
Michael Boylan-Kolchin, James S. Bullock, Shea Garrison-Kimmel
Reionizing the Universe with galaxies appears to require significant star formation in low-mass halos at early times, while local dwarf galaxy counts tell us that star formation ha…