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arxiv: 0901.2839 · v1 · submitted 2009-01-19 · 🌌 astro-ph.SR

Are disk in dwarf novae during their superoutbursts really eccentric?

classification 🌌 astro-ph.SR
keywords diskduringdwarfevidencenovaespotsuperoutburstsalways
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The evidence presented earlier by several authors for the substantial disk eccentricity in dwarf novae during their superoutbursts is shown to result either from errors or from arbitrary, incorrect assumptions. In particular, the evidence resulting from hot spot eclipses was based on the assumption that the spot distances are identical with disk radii which is not always correct.

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