Distance determination from the Cepheids and RR Lyrae period-luminosity relations
arXiv:1309.3481 · doi:10.1017/S1743921313014208
Abstract
Cepheids and RR Lyrae stars are important pulsating variable stars in distance scale work because they serve as standard candles. Cepheids follow well-defined period-luminosity (PL) relations defined for bands extending from optical to mid-infrared (MIR). On the other hand, RR Lyrae stars also exhibit PL relations in the near-infrared and MIR wavelengths. In this article, we review some of the recent developments and calibrations of PL relations for Cepheids and RR Lyrae stars. For Cepheids, we discuss the calibration of PL relations via the Galactic and the Large Magellanic Cloud routes. For RR Lyrae stars, we summarize some recent work in developing the MIR PL relations.
6 pages, 2 figures and 1 table, submit for IAU Symposium 301, Precision Asteroseismology, August 2013, Wroclaw, Poland
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