Variable stars in the Gaia era: Mira, RR Lyrae, δ and Type-II Cepheids
Abstract
Classical variables like RR Lyrae, classical and Type-II Cepheids and Mira variables all follow period-luminosity relations that make them interesting as distance indicators. Especially the RR Lyrae and δ Cepheids are crucial in establishing the distance scale in the Universe, and all classes of variables can be used as tracers of galactic structure. I will present an overview of recent period-luminosity relations and review the work that has been done using the Gaia DR1 data so far, and discuss possibilities for the future.
- Publication:
-
Astrometry and Astrophysics in the Gaia Sky
- Pub Date:
- April 2018
- DOI:
- 10.1017/S1743921317005506
- arXiv:
- arXiv:1706.02911
- Bibcode:
- 2018IAUS..330..287G
- Keywords:
-
- Cepheids;
- stars: variables: other;
- stars: distances;
- distance scale;
- stars: AGB and post-AGB;
- Magellanic Clouds;
- Astrophysics - Solar and Stellar Astrophysics
- E-Print:
- Invited Review at IAU Symposium 330 "Astronomy and Astrophysics in the Gaia sky"