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Observational Aspects of Multiperiodicity in the β Canis Majoris Stars

Published online by Cambridge University Press:  12 April 2016

Janet Rountree Lesh  and
Morris L. Aizenman
Janet Rountree Lesh
Affiliation:
Department of Physics and Astronomy, University of Denver
Morris L. Aizenman
Affiliation:
Joint Institute for Laboratory Astrophysics, National Bureau of Standards and University of Colorado

Extract

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Multiperiodicity has been recognized as an important aspect of β Canis Majoris-type variability ever since the intensive observations of the “classical” members of this group by Struve and his coworkers in the early 1950’s. About half the stars observed by Struve exhibited a radial-velocity variation whose period was several hours, but whose amplitude was modulated with a period of the order of days. This quickly became known as the “beat phenomenon,” and was interpreted as an interference between two nearly equal short periods.

Type
Invited Papers
Information
International Astronomical Union Colloquium , Volume 29: Multiple Periodic Variable Stars , 1976 , pp. 11 - 32
Copyright
Copyright © Reidel 1976

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