Three types of binary stars.

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$Enhancing T_{c} draft as resubmitted to PRL$

What did we find out? • When the <strong>stars</strong> are farther apart (a is increased) they move more slowly in their orbit.
How can we find the orbital period for spectroscopic binaries? 1. Watch the <strong>stars</strong> orbit each other and see how long it takes 2. Watch for the absorption lines to return to their original wavelength 3. Measure the masses and compute the period
Page 1 and 2: Three types of binary stars. • Vi
Page 3 and 4: • Spectroscopic Binaries - Much s
Page 5 and 6: A Dilemma • Spectroscopic binarie
Page 7 and 8: What if the source is moving? • I
Page 9 and 10: When a star is moving toward or awa
Page 11 and 12: • Using the Doppler shift of ligh
Page 13: Relation of velocity to Doppler shi
Page 16 and 17: Binary star simulator • http://as
Page 20 and 21: What did we find out? • When the
Page 26 and 27: How can we get the orbital velocity
Page 28 and 29: • If the binary stars are eclipsi
Page 30: Masses of Stars • Many such measu

Three types of binary stars.

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