DEPARTMENT OF ASTRONOMY

COURSE WEB PAGES

ASTRONOMY 386C
Properties of Galaxies
Spring 2002     Unique No. 45655 | TTH 12:30-2:00 | RLM 15.216B



5. STELLAR POPULATIONS IN GALAXIES

5.1 Stellar Populations at

  • History of the discovery of stellar populations in the Galaxy
  • Observations of disks
  • Star formation history of disks
  • Observations of elliptical galaxies
    • Color and line-strength gradients
    • Degeneracy between metallicity and age
    • Current problems: evidence that low-L Es have a variety of ages

5.2 Stellar populations in high-redshift ellipticals

  • Line strengths and fundamental plane correlations as function of z :
    • Evidence that giant ellipticals are old
  • Star formation history of ellipticals


 
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30 October 2001
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