Cepheid Radii and the Cors Method Revisited

Details Cepheid Radii and the Cors Method Revisited Cepheid Radii and the Cors Method Revisited

1996-01-05

arxiv.org/abs/astro-ph/9601019v1

Astronomy and Astrophysics

Astrophysics

postscript file; figures and tables included. For any problem please write to ripepi@csfisi.fis.unical.it

Scientific paper

We have refined the CORS method, introduced in 1980 for the computation of the cepheid radii, in order to extend its applicability to recent and extensive sets of observations. The refinement is based on the computation, from observational data only, of one of the terms of the solving equation, previously based only on precise calibrations of photometric colours. A limited number of assumptions, generally accepted in the literature, is used.\par New radii are computed for about 70 cepheids, and the resulting P-R relation is discussed.

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