• We found many stars with significant motions and good photometry in each field
  • SDF: 99 stars
  • SXDS: 69 stars in SXDS-E and SXDS-S combined
• How can we pick out the white dwarfs? We'll use a technique called reduced proper motion ....
• But it will help first to review a more familiar tool used by astronomers to classify stars: the Hertzsprung-Russell diagram

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