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An Unsuccessful Search for White Dwarf Companions to Nearby Main Sequence Stars

  • Harry L. Shipman (a1) and Jeanne Geczi (a1)

Abstract

Many of the nearest white dwarf stars (e.g., Sirius B and Procyon B) are in such binaries and would have remained undiscovered if they were even a little bit further away. White dwarfs which are sufficiently hot (T(eff) > 10,000 K) would, if present in binary systems with a relatively cool (F, G, K, or M) main–sequence secondary, be visible in IUE images as a hot companion to the main sequence star. We systematically examined 318 IUE images of 280 different G, K, and M stars which had been observed for other purposes. No previously undiscovered white dwarf stars were found.

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References

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An Unsuccessful Search for White Dwarf Companions to Nearby Main Sequence Stars

  • Harry L. Shipman (a1) and Jeanne Geczi (a1)

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