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First detection of an exoplanet orbiting two stars at once with radial velocity

Exoplanet Kepler-16 (AB) b orbits a binary star 245 light years from the Sun. It is the first such exoplanet detected with radial velocity method, which measures gravitational influence of the planet on its star.

Exoplanet, gas giant



The exoplanet has one third of Jupiter's mass and 75 % of its size. One year on this world lasts 228 days.

Related stars in catalogue

Star Star type Distance
(light years)
Exoplanets
part of star image
part of star image
Kepler-16 A Orange star 245.4
1
part of star image
part of star image
Kepler-16 B Red dwarf 245.4
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Exoplanets