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- W2017588401 abstract "Observations of Cepheids in the Large Magellanic Cloud, made over the last several decades, allow us to search for evolutionary period changes. None of the Cepheid from our sample of 378 stars stopped pulsating. Also none of them showed a large period change which could indicate mode switching. However for Cepheids with log P > 0.9 we found significant period changes, positive as well as negative. A comparison between the observed period changes and theoretical predictions shows moderate agreement with some models (Bono et al. 2000), and a very large disagreement with others (Alibert et al. 1999). The large differences between the models are likely caused by the very high sensitivity of stellar evolution during core helium burning phase to even small changes in the input physics, as discovered by Lauterborn, Refsdal and Weigert (1971)." @default.
- W2017588401 created "2016-06-24" @default.
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- W2017588401 date "2001-08-26" @default.
- W2017588401 modified "2023-09-27" @default.
- W2017588401 title "Period Changes of the LMC Cepheids Determined from the Harvard, OGLE and ASAS Data" @default.
- W2017588401 hasPublicationYear "2001" @default.
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