That they found this planet at all --- the second
circumbinary planet with such an off - plane orbit — probably means that they're incredibly common, the astronomers say.
Not exact matches
The shortest - period binary star system around which a
circumbinary planet has been discovered was Kepler 47,
with a period of about 7.45 days.
Based on these conclusions for Kepler - 34, it seems likely that all of the currently known
circumbinary planets have also migrated significantly from their formation locations —
with the possible exception of Kepler - 47 (AB) c which is further away from the binary stars than any of the other
circumbinary planets.
In any case, a
circumbinary orbital distance from CM Draconis Aab where an Earth - type
planet would be comfortable
with liquid water would be centered around 0.3 AU,
with a «year» of 18 to 35 days.
Based on these conclusions for Kepler - 34, it seems likely that all of the currently known
circumbinary planets have also migrated significantly from their formation locations -
with the possible exception of Kepler - 47 (AB) c which is further away from the binary stars than any of the other
circumbinary planets.