Notes

Slide Show

Outline

1	The Family of Stars Chapter 8:
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3	Distances to Stars
4	The Trigonometric Parallax
5	Intrinsic Brightness / Absolute Visual Magnitude
6	Intrinsic Brightness / Absolute Visual Magnitude(II)
7	Distance and Intrinsic Brightness
8	Distance and Intrinsic Brightness
9	Absolute Visual Magnitude To characterize a star’s intrinsic brightness, define absolute visual magnitude (M_V):
10	Absolute Visual Magnitude(II)
11	The Distance Modulus
12	The Size (Radius) of a Star
13	Example:
14	Organizing the Family of Stars: The Hertzsprung-Russell Diagram
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17	Radii of Stars in the Hertzsprung-Russell Diagram
18	Luminosity Classes
19	Luminosity effects on the width of spectral lines
20	Examples: Our Sun: G2 star on the main sequence: G2V Polaris: G2 star with supergiant luminosity: G2Ib
21	Binary Stars
22	The Center of Mass
23	Estimating Stellar Masses
24	Examples:
25	Visual Binaries
26	Spectroscopic Binaries
27	Spectroscopic Binaries (II)
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29	Eclipsing Binaries
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31	Eclipsing Binaries (III)
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34	Surveys of Stars
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36	A Census of the Stars