Publication: The period-radius relation por classical cepheids from the visual surface brightness technique
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Date
1988
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Universidad Nacional de Colombia
Colciencias
Colciencias
Abstract
The radius of a Cepheid is one of its fundamental pararneters needed in studies of Cepheid rnasses, oulsation properties, and lurninosities, and hence in the establishment of the cosrnic distance scale. Unfortunately, different rnethods to derive Cephe id radii have produced s e riously discrepant
re sults (Fernie 1984), and t he correct period-radius relation for classical Cepheids is no t well known at the present time.
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