* Astronomy

Title: SV Cen reveals its mystery
Authors: Michal Siwak (1), Stanislaw Zola (2,3), Slavek Rucinski (1) ((1) Department of Astronomy and Astrophysics, University of Toronto (2) Astronomical Observatory of the Jagiellonian University, Krakow, (3) Mount Suhora Astronomical Observatory, Pedagogical University, Krakow)

Our very-first high resolution spectra of SV Cen close binary system obtained in the H alpha line reveal its absorption and emission components, changing with orbital phase. An accretion disk surrounding the component eclipsed at the primary minimum is the most plausible explanation of this complex structure.

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