Inclination of HR 8799 rotational axis

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Inclination of HR 8799 rotational axis

Post by Lazarus on 11th January 2011, 3:17 pm

Wright et al. (2011) "Determination of the inclination of the multi-planet hosting star HR8799 using asteroseismology"

There may be a misalignment between the star HR 8799 and the orbits of the planets of ≳20.

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Re: Inclination of HR 8799 rotational axis

Post by Sirius_Alpha on 11th January 2011, 3:47 pm

Now that is bizarre if so. The planets seem coplanar but the star has a high obliquity? I wonder if this lends some weight to the idea that stars can interact with the disk to get high obliquities, as an explanation for hot Jupiters. (this)

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