Baade-Wesselink Radii of Long-Period Cepheids - New Observations

Details Baade-Wesselink Radii of Long-Period Cepheids - New Observations Baade-Wesselink Radii of Long-Period Cepheids - New Observations

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985cto..conf...48c&link_type=abstract

Cepheids: Theory and Observations, Proceedings of IAU Colloquium No. 82, held 29 May - 1 June, 1984 in Toronto, Canada. Edited

Physics

5

Scientific paper

The radii of Galactic Cepheids as determined from a version of the Baade-Wesselink technique are shown to depend upon the colour index used to define the temperature scale. The (V-I) radii are systematically larger than the commonly used (B-V) radii and are probably better estimators of the true radii. There still remains a problem, however, in reconciling the period-radius relation with the period-luminosity-colour relation.

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