Mass ratio vs. irradiation for known exoplanets. Only exoplanets whose stellar host mass is known to a precision of at least 30% are shown. Each planet is labeled according to its detection method: transits in green, radial velocity in red, microlensing in orange and direct imaging in blue. BEAST discoveries are overplotted with larger blue symbols, and circular orbits with radius equal to the observed projected distance are assumed; Solar System planets (images from NASA) are also shown for reference. µ2 Sco b can be considered a Jupiter analog both in terms of irradiation and mass ratio (similar to the directly imaged 51 Eridani b; Macintosh et al. 2015, obscured here by the icon for Jupiter) while the irradiation received by probable CC0 is similar to Mercury’s. Sources: NASA Exoplanet Archive (https://exoplanetarchive.ipac.caltech.edu/), the Extrasolar Planets Encyclopaedia (http://exoplanet.eu/).