On the origin of polar planets around single stars
Cheng Chen,
Stanley A Baronett,
C J Nixon
et al.
Abstract:The Rossiter–McLaughlin effect measures the misalignment between a planet’s orbital plane and its host star’s rotation plane. Around 10 per cent of planets exhibit misalignments in the approximate range 80°–125°, with their origin remaining a mystery. On the other hand, large misalignments may be common in eccentric circumbinary systems due to misaligned discs undergoing polar alignment. If the binary subsequently merges, a polar circumbinary disc – along with any planets that form within it – may remain incli… Show more
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