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We recently showed that rotation significantly affects most observable Cepheid quantities, and that rotation, in combination with the evolutionary status of the star, can resolve the long-standing Cepheid mass discrepancy problem. We therefore provide a brief overview of our results regarding the problem of Cepheid masses. We also briefly mention the impact of rotation on the Cepheid period-luminosity(-color) relation, which is crucial for determining extragalactic distances, and thus for calibrating the Hubble constant.
| Publication Date | Jan 23, 2015 |
|---|---|
| Journal | Proceedings of the International Astronomical Union |
| Print ISSN | 1743-9213 |
| Publisher | Cambridge University Press |
| Pages | 206-207 |
| DOI | https://doi.org/10.1017/S1743921314006723 |
| Keywords | stars: evolution, stars: rotation, supergiants, Cepheids, distance scale |
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