Astronomy 150 -- Week #10


Summary of Post-Main-Sequence Evolution



BINARY STAR SYSTEMS

Different Types of Physical Binaries

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How many stars are in binary systems?

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Some Interesting Binary Systems



STAR CLUSTERS

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OPEN or GALACTIC CLUSTERS


BASIC PROPERTIES:


GLOBULAR CLUSTERS


BASIC PROPERTIES:



In general, we get most of our information about clusters from H-R Diagrams. From these diagrams we can get:

The cluster distance can then be used to calibrate the distance to Cepheid Variables.



Week #9 Lecture Notes.

Week #11 Lecture Notes.

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