The Baade-Wesselink method and the distances to RR Lyrae stars. VII - The field stars SW Andromedae and DX Delphini and a comparison of recent Baade-Wesselink analyses

Details The Baade-Wesselink method and the distances to RR Lyrae stars. VII - The field stars SW Andromedae and DX Delphini and a comparison of recent Baade-Wesselink analyses The Baade-Wesselink method and the distances to RR Lyrae stars. VII - The field stars SW Andromedae and DX Delphini and a comparison of recent Baade-Wesselink analyses

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...386..646j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 386, Feb. 20, 1992, p. 646-662. Research supported by SNFO and Danish Resea

Astronomy and Astrophysics

Astronomy

120

Astronomical Photometry, Astronomical Spectroscopy, Stellar Magnitude, Stellar Oscillations, Variable Stars, Infrared Astronomy, Metallicity, Radial Velocity, Stellar Luminosity

Scientific paper

New BVK photometry and radial velocities from high-resolution spectroscopy are presented for the metal-rich ab-type RR Lyrae star SW Andromedae. These data, along with previously published optical data, are used to derive the distance and absolute magnitudes of this star, employing the IR surface brightness version of the Baade-Wesselink method. These results are compared with other recent applications of the Baade-Wesselink method, and they are found to agree to within 0.10 mag when the appropriate phase intervals are considered.

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