Disk Contamination in a sample of proper motion selected halo stars: A Comment on "Direct Detection of Galactic Halo Dark Matter", B.A. Oppenheimer et al., Science

Details Disk Contamination in a sample of proper motion selected halo stars: A Comment on "Direct Detection of Galactic Halo Dark Matter", B.A. Oppenheimer et al., Science Disk Contamination in a sample of proper motion selected halo stars: A Comment on "Direct Detection of Galactic Halo Dark Matter", B.A. Oppenheimer et al., Science

2001-04-11

arxiv.org/abs/astro-ph/0104210v3

Science 2001 June 22; 292: 2211 (in Technical Comments)

Astronomy and Astrophysics

Astrophysics

500 words, published as a Technical Comment to Science

Scientific paper

Based on a proper motion survey, Oppenheimer et al. claim the detection of a
white dwarf component of the dark matter of the halo. I show that most of the
white dwarfs in their sample are likely disk white dwarfs which have been
previously detected, and represent no new population.

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