The star HD 188015 A is part of a binary system. The binary companion is approximately 684 astronomical units away and much less massive. The planet was found by Geoffrey Marcy and collaborators in 2005. Link to scientific paper Your name Note: Your commit will be vetted before it is merged into the public version. It is crucial that you include a link to a scientific publication. For more information on the meaning of the different datafields see the readme file in the Open Exoplanet Catalogue repository on github.