The planet XO-2S c is part of a multiplanetary system. The host star itself is part of a binary system. The other binary star, XO-2N also hosts a planet. This configuration makes the system a unique laboratory for understanding the diversity of planetary systems. 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.