how many dead stars have you found

Question: how many dead stars have you found
- Keywords:
  dwarf star,
  space,
  universe
Asked by to Sarah on 16 Jun 2014. This question was also asked by .
- Sarah Casewell answered on 16 Jun 2014:
  
  I have found about 20 white dwarfs. I spend most of my time trying to find out more about them though – measuring their temperature, and mass and radius so I can calculate how old they are, and what sort of star they were formed from.

Question: how many dead stars have you found