演講資訊

摘要：

The discovery of over 4,000 exoplanet candidates has unmasked the strangeness of planetary systems in the solar neighborhood. For instance, most of the confirmed planets reside in orbital periods of less than 100 days around their respective host stars, which places them well within the orbit of Mercury. In this talk, I present a prescription to expand the capabilities of the stellar evolution code Modules for Experimental Stellar Astrophysics (MESA) to model gaseous planets in highly irradiated environments. I will illustrate how we modified MESA to include planet core luminosity, heavy element enrichment, and mass loss due to hydrodynamic winds. Using these dynamical models, we then constructed mass-radius relationships of planets from 1 to 20 Earth Mass and investigated how mass-loss impacts their composition and evolution history. We anticipate that this versatile, user-friendly code will see widespread applications in complementing future exoplanetary surveys such as *K2*, *TESS* and *PLATO*.