«Future detections of
circumbinary around short - period binary stars will provide the best indirect observational test of the STEEP process.»
Future detections — «or non-detections» — of
circumbinary around short - period binary stars, the authors write, will «will provide the best indirect observational test of the STEEP process.
Not exact matches
The worlds are aptly named «
circumbinary planets» («circum» meaning
around, and «binary» referring to two objects), and in this type of binary system, the two stars orbit each other while the planet orbits the two stars (pictured above).
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.
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.
So - called
circumbinary planets — those planets that orbit
around a binary star, like the fictional Tatooine from the Star Wars — can be ejected off into space as a consequence of their stars» evolution, according to a new study to be published in the Astrophysical Journal (arXiv.org preprint).
Planets like Kepler - 1647b in orbit
around binary stars are known as
circumbinary planets, and planet hunters spot them by looking for a dimming in the light from a star as the planet transits, or passes in front of the star from our perspective.
«Finding
circumbinary planets is much harder than finding planets
around single stars,» said SDSU astronomer William Welsh, one of the paper's coauthors, in a press release announcing the discovery.
They include a pair of stars in orbit
around each other, with circumstellar disks surrounding each star and a
circumbinary torus and disk that orbits the combination.