Double degenerates from the supernova Ia progenitor survey (SPY)

C. Karl , R. Napiwotzki , U. Heber , T. Lisker , G. Nelemans , N. Christlieb , D. Reimers

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classification 🌌 astro-ph

keywords doubleprogenitorsurveydegeneratedegeneratesdwarfsfollow-upfour

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We report on follow-up observations of double degenerate (DD) white dwarfs from the Supernovae Ia Progenitor Survey (SPY). Orbital parameters of four systems, including a massive short period system, are presented.

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Double degenerates from the supernova Ia progenitor survey (SPY)

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