SV Cen reveals its mystery
Michal Siwak (1), Stanislaw Zola (2,3), Slavek Rucinski (1) ((1), Department of Astronomy, Astrophysics, University of Toronto (2), Astronomical Observatory of the Jagiellonian University, Krakow, (3) Mount, Suhora Astronomical Observatory, Pedagogical University, Krakow)
TL;DR
This study presents high-resolution spectral observations of the SV Cen binary system, revealing complex H alpha line features that suggest the presence of an accretion disk around one component.
Contribution
First high-resolution spectral analysis of SV Cen showing variable H alpha features indicative of an accretion disk.
Findings
Detection of variable absorption and emission components in H alpha line
Evidence supporting an accretion disk around the eclipsed component
Spectral features change with orbital phase
Abstract
Our very-first high resolution spectra of SV Cen close binary system obtained in the H alpha line reveal its absorption and emmision 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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Taxonomy
TopicsAstro and Planetary Science · High-pressure geophysics and materials · Astrophysics and Star Formation Studies