We present an overview on pulsation properties of RR Lyrae stars in the Galaxy and in Local Group dwarf galaxies. We discuss the key information that RR Lyrae might provide on their parent population, and in particular on their metallicity distribution.
@article{arxiv.astro-ph/0302480,
title = {Field and cluster RR Lyrae stars as stellar tracers},
author = {Silvia Petroni and Giuseppe Bono},
journal= {arXiv preprint arXiv:astro-ph/0302480},
year = {2007}
}
Comments
6 pages, 5 figures. To appear in the Proceedings of the Workshop "Variability with Wide Field Imagers", 16-20 Sep. 2002, Lampedusa (Italy)