A Powerpoint Presentation to
culminate research conducted in collaboration with Professor Dr. Kim Venn
during the summer of 2001.
Financial support was provided through a National Science Foundation
CAREER/PECASE award to Professor Kim A. Venn. This project was
conducted as part (half) of a Summer Astrophysics Research
Experience at Macalester College.
Introduction--Leah Simon
The Big Bang
Types of Galaxies
"Our Galaxies"
Stellar Evolution--Fitih Mohammed
How do stars form?
Supernovae
HR diagrams of stellar evolution
HR diagrams of our galaxies
Dwarf Spheroidal Galaxies (dsphs)
Dsphs continued
So, what did we do?
Spectroscopic Analysis--Sonya Clarkson
Stellar Spectra
Absorption Lines
Absorption Line Spectra
Obtaining the Spectra
Producing the Spectra
What Lines To Look For
Determining Stellar Abundances--Chrissy Blank
Stellar Atmospheres
Why We Use Iron (Fe)
Model Atmosphere Parameters
Conclusion--Leah Simon
Carina Results
HR Diagrams