Dark matter revealed More evidence from faint-star proper-motions for a cool and warm component of the local dark matter in the Galaxy ?

  title={Dark matter revealed More evidence from faint-star proper-motions for a cool and warm component of the local dark matter in the Galaxy ?},
  author={Rene A. Mendez},
  journal={Astronomy and Astrophysics},
  • R. Mendez
  • Published 26 July 2002
  • Physics
  • Astronomy and Astrophysics
We present new evidence, based on faint HST proper-motions, for a bi-modal kinematic population of old white dwarfs, representative of the Thick-Disk and Halo of our Galaxy. This evidence supports the idea of a massive Halo comprised of faint and old white dwarfs, along with an extant population of Thick-Disk white dwarfs. We show how most of the required dark matter in the solar vicinity can be accounted for by the remnants from these two components together. 

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