SWEET-Cat 2.0: The Cat just got SWEETer

Aims. The catalog of Stars With ExoplanETs (SWEET-Cat) was originally introduced in 2013. Since then many more exoplanets have been confirmed, increasing significantly the number host stars listed there. A crucial step toward a comprehensive understanding these new worlds is precise and homogeneous characterization their stars. Better spectroscopic stellar parameters along with results from Gaia eDR3 provide updated for discovered planets. version catalog, whose homogeneity derivation key to unraveling star–planet connections, available community. Methods. We made use high-resolution spectra planet-host stars, either observed by our team or collected through public archives. were derived following same process using ARES MOOG (ARES+MOOG) as previous SWEET-Cat releases. re-derived better quality and/or most recent versions codes. Moreover, table can now be easily combined planet properties both at Extrasolar Planets Encyclopedia NASA exoplanet archive perform statistical analyses exoplanets. also parallaxes respective photometry derive consistent accurate surface gravity values Results. increased than 40% (from 645 928). reviewed metallicity distributions hosting planets different mass regimes comparing low-mass (< 30 M ⊕ ) high-mass data strengthen showing possible trend metallicity-period-mass diagram