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Observational Evidence for Large-Scale Spot Activity on the Primary Component of XY Ursae Majoris

Published online by Cambridge University Press:  14 August 2015

Edward H. Geyer
Edward H. Geyer*
Affiliation:
Sternwarte der Universität Bonn - Observatorium Hoher List, D-5568 Daun, FRG

Abstract

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Extensive pe- and spectroscopic observations of the short period eclipsing binary XY UMa within the last four years confirm the star spot and stellar activity model, which was presented in 1975.

Type
VII. The RS Canum Venaticorum Stars
Information
Symposium - International Astronomical Union , Volume 88: Close Binary Stars: Observations and Interpretation , 1980 , pp. 423 - 427
Copyright
Copyright © Reidel 1980 

References

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