4 5 4182013 uw astr 323 sp13 eric agol 2013 15 galaxy

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Unformatted text preview: 4/18/2013 Frame with Ωlp=Ω- ½κ: UW, ASTR 323, SP13, Eric Agol ©2013 11 Pa^ern speed in Galac8c poten8al Nearly constant! Binney & Tremaine (1987) Fig. 6- 10 4/18/2013 UW, ASTR 323, SP13, Eric Agol ©2013 12 Spiral structure h^p://www3.amherst.edu/~gsgreenstein/progs/anima8ons/spiral_galaxy/ ______ - armed spiral - armed spiral Arrangement of orbits depends on ini8al condi8ons or perturba8ons. 4/18/2013 UW, ASTR 323, SP13,...
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This document was uploaded on 04/05/2014.

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