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Time Dependence of the UV Resonance Lines in the Cataclysmic Variable Star VW Hyi*

Published online by Cambridge University Press:  12 April 2016

M.T. Özkan ,
T. Ak ,
A.T. Saygac ,
H.H. Esenoglu  and
S. Guler
M.T. Özkan
Affiliation:
Istanbul University Observatory Research and Application Center, 34452, University-Istanbul, Turkey
T. Ak
Affiliation:
Istanbul University, Science Faculty, Department of Astronomy and Space Sciences, 34452, University-Istanbul, Turkey
A.T. Saygac
Affiliation:
Istanbul University, Science Faculty, Department of Astronomy and Space Sciences, 34452, University-Istanbul, Turkey
H.H. Esenoglu
Affiliation:
Istanbul University, Science Faculty, Department of Astronomy and Space Sciences, 34452, University-Istanbul, Turkey
S. Guler
Affiliation:
Istanbul University, Science Faculty, Department of Astronomy and Space Sciences, 34452, University-Istanbul, Turkey

Abstract

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In this work, we study orbital variations in the ultraviolet resonance lines of the SU UMa type dwarf nova VW Hyi examining spectra in the data archive of the International Ultraviolet Explorer (IUE). We show that VW Hyi exhibits an orbital and long term variability in terms of UV line profiles and continuum flux at 1450 Å during superoutburst.

Type
Cataclysmic Variables: Eruptions and Flickering
Information
International Astronomical Union Colloquium , Volume 151: Flares and Flashes , 1995 , pp. 280 - 281
Copyright
Copyright © Springer-Verlag 1995

Footnotes

*

Based on the spectra taken from VILSPA IUE database

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