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Galactic structure and rotation from cepheids

Published online by Cambridge University Press:  14 August 2015

R. P. Kraft  and
M. Schmidt
R. P. Kraft
Affiliation:
Mount Wilson and Palomar Observatories
M. Schmidt
Affiliation:
Mount Wilson and Palomar Observatories

Extract

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Internally consistent distances to classical cepheids can be derived with considerable accuracy because they satisfy period-luminosity and period-colour relations. Studies of five cepheids that are members of galactic clusters have led to a revised period-colour relation and a new zero point for the period-luminosity relation. Distances have been computed for all cepheids given in recently published photoelectric surveys. The material can be regarded as complete to a distance of about 1500 pc.

Type
Section 1: The Galaxy
Information
Symposium - International Astronomical Union , Volume 20: The Galaxy and the Magellanic Clouds , 1964 , pp. 68 - 70
Copyright
Copyright © Australian Academy of Science 1964