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The interacting binary V 393 Scorpii: another clue for Double Periodic Variables

Published online by Cambridge University Press:  13 April 2010

Ronald Mennickent ,
Zbigniew Kołaczkowski ,
Gojko Djurasevic ,
Gabriela Michalska  and
Daniela Barría
Ronald Mennickent
Affiliation:
Departamento de Astronomía, Universidad de Concepción, Chile email: [email protected]
Zbigniew Kołaczkowski
Affiliation:
Departamento de Astronomía, Universidad de Concepción, Chile email: [email protected] Instytut Astronomiczny Uniwersytetu Wroclawskiego, Wroclaw, Poland
Gojko Djurasevic
Affiliation:
Astronomical Observatory, Belgrade, Serbia
Gabriela Michalska
Affiliation:
Departamento de Astronomía, Universidad de Concepción, Chile email: [email protected]
Daniela Barría
Affiliation:
Departamento de Astronomía, Universidad de Concepción, Chile email: [email protected]
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Abstract

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We give a brief report on spectroscopic properties of V 393 Scorpii. Hα emission and shape and radial velocity of He I5875 are modulated with the long cycle. The long cycle is explained as a relaxation cycle in the circumprimary disc, that cumulates the mass transferred from the donor until certain instability produces disc depletion.

Keywords

binaries: mass lossevolution
Type
Poster Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S262: Stellar Populations – Planning for the Next Decade , August 2009 , pp. 392 - 393
Copyright
Copyright © International Astronomical Union 2010

References

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