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Global Properties of M31's Stellar Halo from the SPLASH Survey. I. Surface Brightness Profile
Karoline M. Gilbert, Puragra Guhathakurta, Rachael L. Beaton +10
We present the surface brightness profile of M31's stellar halo out to a projected radius of 175 kpc. The surface brightness estimates are based on confirmed samples of M31 red gia…
Detailed Abundances of Two Very Metal-Poor Stars in Dwarf Galaxies
Evan N. Kirby, Judith G. Cohen
The most metal-poor stars in dwarf spheroidal galaxies (dSphs) can show the nucleosynthetic patterns of one or a few supernovae. These supernovae could have zero metallicity, makin…
The Bizarre Chemical Inventory of NGC 2419, An Extreme Outer Halo Globular Cluster
Judith G. Cohen, Evan N. Kirby
We present new Keck/HIRES observations of six red giants in the globular cluster NGC 2419. Although the cluster is among the most distant and most luminous in the Milky Way, it was…