Consistent distances from Baade-Wesselink analyses of Cepheids and RR Lyraes

Details Consistent distances from Baade-Wesselink analyses of Cepheids and RR Lyraes Consistent distances from Baade-Wesselink analyses of Cepheids and RR Lyraes

2003-05-13

arxiv.org/abs/astro-ph/0305222v1

Mon.Not.Roy.Astron.Soc. 342 (2003) L58

Astronomy and Astrophysics

Astrophysics

5 pages, 2 figures, 1 table; to appear in MNRAS (Pink Pages)

Scientific paper

10.1046/j.1365-8711.2003.06786.x

By using the same algorithm in the Baade-Wesselink analyses of Galactic RR Lyrae and Cepheid variables, it is shown that, within 0.03 mag (1 sigma) statistical error, they yield the same distance modulus for the Large Magellanic Cloud. By fixing the zero point of the color-temperature calibration to those of the current infrared flux methods and using updated period-luminosity-color relations, we get an average value of 18.55 for the true distance modulus of the LMC.

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