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The Spotted Contact Binary SS Arietis — Spectroscopy and Infrared Photometry

Published online by Cambridge University Press:  07 August 2017

P.P. Rainger ,
S.A. Bell  and
R.W. Hilditch
P.P. Rainger
Affiliation:
Department of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY169SS, Scotland
S.A. Bell
Affiliation:
Department of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY169SS, Scotland
R.W. Hilditch
Affiliation:
Department of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY169SS, Scotland

Abstract

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The first infrared photometry for the W-UMa system SS Ari is presented. An analysis based on medium resolution spectroscopy presented here shows that SS Ari is a W-type system with a mass ratio of 0.33. It seems certain that the asymmetry in the published light curves and those obtained for this study can be explained by the effect of spots on one or possibly both components of the system. The precise location, size and temperature of these spots require the use of Doppler Imaging techniques in conjunction with high quality multi-band photometry.

Keywords

starsbinaries: eclipsingbinaries: spectroscopicinfrared photometryspot-modelling
Type
Oral and Contributed Papers
Information
Symposium - International Astronomical Union , Volume 151: Evolutionary Processes in Interacting Binary Stars , 1992 , pp. 379 - 382
Copyright
Copyright © Kluwer 1992 

References

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