16 Cygni Bb

16 Cygni B b ( short 16 Cyg B b ) is an extrasolar planet that accompanies 16 Cygni B yellow dwarf. Due to its high mass is assumed that there is a gas giant. He was the first planet the group of eccentric Jupiter.

Discovery

As the majority of exoplanets discovered was that using the radial velocity method. In 1996, the discovery of a companion of planetary mass around the star 16 Cygni B was reported. At the time of discovery of the planet was the one with the largest eccentricity. The planet was discovered by William D. Cochran.

Properties

The planet orbits its host star about every 799.5 days at a distance of about 1.68 Astronomical Units and an eccentricity of 0.681. This is higher than the eccentricity of all the planets in the solar system. He has a mass of about 534.1 Earth masses and about 1.68 Jupiter masses.

10902
de