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Blazhko effect in Cepheids and RR Lyr stars

Blazhko effect in Cepheids and RR Lyr stars

Blazhko effect in Cepheids and RR Lyr stars

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<strong>Cepheids</strong><br />

Amplitude variation <strong>in</strong> <strong>Cepheids</strong><br />

- Modulations <strong>in</strong> DM Ceps <strong>in</strong> anti-phase<br />

- secular(?) variations<br />

- genu<strong>in</strong>e <strong>Blazhko</strong>-like variation!<br />

Moskalik & Kolaczkowski 2009, MNRAS, 394, 1649<br />

LMC FO/SO Cepheid<br />

Polaris<br />

V473 <strong>Lyr</strong><br />

See P. Moskalik's talk<br />

Molnár et al. 2013 AN <strong>in</strong> press Turner et al. 2005 PASP 117, 207

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