The Impact of Tidal Migration of Hot Jupiters on the Rotation of Sun-like Main-sequence Stars
作者机构:Yunnan ObservatoriesChinese Academy of SciencesKunming 650011China School of Astronomy and Space ScienceUniversity of Chinese Academy of SciencesBeijing 100049China Key Laboratory for the Structure and Evolution of Celestial ObjectsCASKunming 650011China
出 版 物:《天文和天体物理学研究:英文版》 (Research in Astronomy and Astrophysics)
年 卷 期:2023年第23卷第9期
页 面:148-161页
核心收录:
学科分类:0709[理学-地质学] 07[理学] 0708[理学-地球物理学] 070401[理学-天体物理] 0704[理学-天文学] 0825[工学-航空宇航科学与技术]
基 金:supported by the Strategic Priority Research Program of Chinese Academy of Sciences, grant No. XDB41000000 the National Natural Science Foundation of China (No. 11973082) the National Key R&D Program of China, grant Nos. 2021YFA1600400/2021YFA1600402
主 题:stars rotation-stars solar-type-planet-star interactions
摘 要:The tidal interactions of planets affect the stellar evolutionary status and the constraint of their physical parameters by *** this work,we incorporate the tidal interaction and magnetic braking of the stellar wind into MESA and calculate a large grid of 25,000 models,covering planets with masses of 0.1–13.0MJ with different orbital distances that orbit late-type stars of different *** also explore the effect of different stellar initial rotations on the tidal *** results show that in the case of tidal inward migration,the stellar rotation periods are always lower than that of the star without planet before the planet is engulfed and the difference in the rotation period of its host star always increases with *** the planet is engulfed,the stellar rotation periods are still lower than that of star without planet,but the difference of periods can be quickly eliminated if the star has a thick convective envelope(smaller mass and larger metallicity),regardless of the mass of the planet and the initial rotation period of the *** the case of stars with thinner convective envelopes(larger mass and smaller metallicity),the stars will be spun up and remain the faster rotation in a long ***,the planet is easily swallowed and the period differences are large if the initial rotation period of its host star is ***,we also study the evolution of WASP-19 and estimate the range of tidal quality parameter Q_(*)^( )=(4.6±0.9)×10^(6)and the initial semimajor axis as(0.035±0.004)au.