Gliese 86 orbit and evolution (Procyon-analogue?)

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Gliese 86 orbit and evolution (Procyon-analogue?)

Post by Lazarus on 28th December 2012, 5:30 am

Orbital and Evolutionary Constraints on the Planet Hosting Binary GJ 86 from the Hubble Space Telescope
http://arxiv.org/abs/1212.5601

Further details about the properties of the white dwarf and its orbit. Orbit appears to be wider than previous estimates, though it is still rather unconstrained.

It seems the system is fairly similar to Procyon, where the white dwarf Procyon B shows signs of pollution by metal-rich material, probably from a reservoir of circumbinary material. Suggests that Procyon may host a failed/truncated planetary system.
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