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Chapter 16: The Measurement of Chemical Composition

Chapter 16: The Measurement of Chemical Composition

pp. 354-391

Authors

, Western University, Ontario
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Extract

Thechemical composition of stars is a central issue in the study of stellar photospheres.What observations are needed, how are they to be processed, and what is the nature of the results?Other topics include variations in metallicity with location in the galaxy and with time.Thebehavior of lithium with temperature and time is particularly intriguing.

Keywords

  • chemical abundances
  • equivalent widths
  • curves of growth
  • solar composition
  • line profiles
  • spectral synthesis
  • metal-poor stars
  • galactic variations
  • time variations
  • lithium

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