Abstract
Hot Jupiters are gas giant planets that have proximity to their host stars with very short orbital periods. The discovery of hot Jupiters challenges the previous hypothesis of planetary formation. To improve our knowledge of Hot Jupiters, this work further investigates over 50 stars surrounded by hot Jupiters by analyzing the updated transit data from the Transiting Exoplanet Survey Satellite (TESS), and the radial velocity data primarily from the Keck Telescope. With the limb darkening model and the eccentric orbit model, planetary parameters of the stars are updated. Furthermore, the evidence of wide orbiting planetary masses of some planetary systems is discovered in this paper. Further investigations could be done on the presence of the unseen and non-transiting masses to support the migration hypothesis of the formation of Hot Jupiters.
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