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most citedPeriod Changes of the SMC Cepheids from the Harvard, OGLE and ASAS Data

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astro-ph2003

Period Changes in Galactic Classical Cepheids. Slow Evolution of Long-period Cepheids

Pawel Pietrukowicz

We compared period changes derived from O-C diagrams for 63 classical Cepheids from our Galaxy with model calculations. We found that for Cepheids with log P > 1.0 the observed cha…