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The Effect of Proper Motion on in Pulsating Stars

Published online by Cambridge University Press:  12 April 2016

G. Pajdosz
G. Pajdosz*
Affiliation:
Mt. Suhora Observatory, Cracow Pedagogical University, ul. Podchorazych 2, 30-084 Kraków, Poland

Abstract

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We show that the proper motion of a pulsating star results in a secular increase of the radial velocity of the star and consequently contributes to the observed . We found that this mechanism is very important in studying period changes in pulsating DA white dwarfs, where its effect is comparable with the expected evolutionary period change in these stars due to their cooling.

Type
Part 2. Poster Papers
Information
International Astronomical Union Colloquium , Volume 155: Astrophysical Applications of Stellar Pulsation , 1995 , pp. 439 - 440
Copyright
Copyright © Astronomical Society of the Pacific 1995

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