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Rotation, Variability and Age of Ap Stars
Published online by Cambridge University Press: 12 April 2016
Abstract
Photometrically determined gravities for field and cluster Ap stars, together with published periods, show that conservation of angular momentum alone is responsible for the observed increase of the periods with age. New photometric periods of a few cluster stars are presented which independently confirm this result. No outstanding change with age of the amplitude of lightcurves is noted.
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- Section II - Systematics, Photometry
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- Copyright © Reidel 1986