Stars: Properties and Classification

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There is a Big Range of Stellar Luminosities Out there! Star Luminosity (in units of solar Luminosity) Sun 1 Proxima Centauri 0.0006 Rigel (Orion) 70,000 Deneb (Cygnus) 170,000
Page 1 and 2: Stars: Properties and Classificatio
Page 3 and 4: Assigned Reading n Units 52.1-2-3,
Page 5 and 6: n There are four principal characte
Page 7 and 8: 1 (AU) D (in Parsecs) = P (in arcse
Page 9 and 10: Parallax would be easier to measure
Page 11: Luminosity Luminosity is the total
Page 15 and 16: Recall the inverse square law….
Page 17 and 18: Surface Temperature n We determine
Page 20 and 21: Another (more accurate) method to m
Page 22 and 23: Stellar Size n Stars are very spher
Page 24 and 25: L=4πR 2 σT 4 Survey Question Two
Page 26 and 27: L=4πR 2 σT 4 Survey Question Supp
Page 28 and 29: Stellar Properties Survey Questions
Page 30 and 31: Center of Mass (or Barycenter) n St
Page 32 and 33: I. Visual Binaries
Page 34 and 35: Lets recall: Hydrostatic Equilibriu
Page 36 and 37: What happens if we increase the mas
Page 38 and 39: The Hertzsprung-Russell Diagram
Page 40 and 41: The Hertzsprung-Russell Diagram The
Page 42 and 43: The Hertzsprung-Russell Diagram
Page 44: The Hertzsprung-Russell Diagram Mas

Stars: Properties and Classification

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