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On the thick disk rotation-metallicity correlation

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Radial migration in spirals<br />

• Stars in <strong>disk</strong>s of spiral galaxies were usually assumed<br />

to remain roughly at <strong>the</strong>ir birth radii.<br />

• Indeed stars migrate across significant galactocentric<br />

distances due to resonant scattering with transient<br />

spiral arms, while preserving <strong>the</strong>ir circular orbits<br />

Wielen, R. 1977, A&A, 60, 263<br />

Sellwood, J. A., & Binney, J. J. 2002, MNRAS, 336, 785<br />

Schonrich, R. & Binney J. 2009, MNRAS, 396, 203

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