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The Zero-Point of the Cepheid Luminosity Scale from a Calibration of the Luminosities of Early-Type Stars

Published online by Cambridge University Press:  12 April 2016

L. A. Balona  and
R. R. Shobbrook
L. A. Balona
Affiliation:
South African Astronomical Observatory
R. R. Shobbrook
Affiliation:
University of Sydney

Abstract

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A new calibration of the absolute magnitudes of early-type stars in terms of the (β, c0) photometric system is used to establish the distance moduli of clusters containing Cepheids. The zero points of the period – luminosity and period – luminosity – colour relations are calculated and compared to previous determinations.

Type
Part III. Extragalactic Cepheids and the PL Relation
Information
International Astronomical Union Colloquium , Volume 82: Cepheids: Theory and Observations , 1985 , pp. 201 - 202
Copyright
Copyright © Cambridge University Press 1985

References

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