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astro-ph2003
Cool White Dwarfs Revisited -- New Spectroscopy and Photometry
Samir Salim, R. Michael Rich, Brad M. Hansen +3
In this paper we present new and improved data on 38 cool white dwarfs identified by Oppenheimer et al. 2001 (OHDHS) as candidate dark halo objects. Using the high-res spectra obta…
astro-ph2003
Evidence for a Significant Intermediate-Age Population in the M31 Halo from Main Sequence Photometry
Thomas M. Brown, Henry C. Ferguson, Ed Smith +5
We present a color-magnitude diagram (CMD) for a minor-axis field in the halo of the Andromeda galaxy (M31), 51 arcmin (11 kpc) from the nucleus. These observations, taken with the…