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Stellar atmosphere

  1. Oct 31, 2004 #1
    how can i calculate the fractional abundance of HI, HII, H- and e- for hydrogen in the photosphere (T=5770K) and density 10^17?
  2. jcsd
  3. Nov 1, 2004 #2
    Analysis of spectrum lines, A stronger line in a particular location means there is alot of that substance to absorb at that particular wavelength.
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