HD 181720 b
Introduction '''HD 181720 b''' is an extrasolar planet which orbits the G-type main sequence star HD 181720, located approximately 190 light years away in the constellation Sagittarius. This planet has at least three-eighths the mass of Jupiter and takes over two and five-eighths years to orbit the star at a semimajor axis of 1.78 AU with an eccentricity of 0.26.This planet was detected by HARPS on October 19, 2009, together with 29 other planets.The planet HD 181720 b is named '''Toge'''. The name was selected in the NameExoWorlds campaign by Ghana, during the 100th anniversary of the IAU. Toge means earring in the Ewe language.
See also * HD 5388 b* HD 190984 b
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