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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…
Supernova Remnant Progenitor Masses in M31
Zachary G. Jennings, Benjamin F. Williams, Jeremiah W. Murphy +5
Using HST photometry, we age-date 59 supernova remnants (SNRs) in the spiral galaxy M31 and use these ages to estimate zero-age main sequence masses (MZAMS) for their progenitors.…
The SPLASH Survey: Kinematics of Andromeda's Inner Spheroid
Claire E. Dorman, Puragra Guhathakurta, Mark A. Fardal +12
The combination of large size, high stellar density, high metallicity, and Sersic surface brightness profile of the spheroidal component of the Andromeda galaxy (M31) within R_proj…