55 Cancri e is a super-Earth which appears to exhibit extreme variations in brightness temperature. The cause of these variations is unknown but may be due to large-scale volcanic activity on the planet. The latest estimates of the planetary radius are compatible with a rocky composition, but a thick water envelope or a carbon-rich composition cannot be ruled out. The phase curve indicates that heat is being transported to the night side by an atmosphere, likely dominated by carbon monoxide or nitrogen. 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.