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Extrasolar Visions II

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BD+20 307: violent collisions in an old planetary system?

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Lazarus
dF star

Number of posts : 3337
Registration date : 2008-06-12

BD+20 307: violent collisions in an old planetary system? Empty

Subject: BD+20 307: violent collisions in an old planetary system? 14th August 2008, 2:15 pm

Planetary systems around close binary stars: the case of the very dusty, Sun-like, spectroscopic binary BD+20 307 The very dusty star BD+20 307, which was recently found to be a binary system may be several Gyr in age, which makes the large amount of dust, thought to be from a collision between planetary-size objects more mysterious.

Edasich
dK star

Number of posts : 2296
Location : Tau Ceti g - Mid Latitudes
Registration date : 2008-06-02

BD+20 307: violent collisions in an old planetary system? Empty

Subject: Re: BD+20 307: violent collisions in an old planetary system? 15th August 2008, 6:15 am

A very close binary. Moreover putative planetary bodies would form a circumbinary system. Is it circumbinary planets season?

BD+20 307: violent collisions in an old planetary system?

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