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The DESI Experiment Part II: Instrument Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift…
The DESI Experiment Part I: Science,Targeting, and Survey Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through…
Cosmological simulations of Milky Way-sized galaxies
Pedro Colin, Vladimir Avila-Reese, Santi Roca-Fabrega +1
We introduce a new set of eight Milky Way-sized cosmological simulations performed using the AMR code ART + Hydrodynamics in a LCDM cosmology. The set of zoom-in simulations covers…
Analysis of the Very Inner Milky Way Dark Matter Distribution and Gamma-Ray Signals
V. Gammaldi, V. Avila-Reese, O. Valenzuela +1
We analyze the possibility that the HESS gamma-ray source at the Galactic Center could be explained as the secondary flux produced by annihilation of TeV Dark Matter (TeVDM) partic…
Discovery of a Metal-Poor Field Giant with a Globular Cluster Second-Generation Abundance Pattern
J. G. Fernández-Trincado, A. C. Robin, E. Moreno +31
We report on detection, from observations obtained with the APOGEE spectroscopic survey, of a metal-poor ([Fe/H] dex) field giant star with an extreme Mg-Al abundance rati…