Zahn's theory of dynamical tides and its application to stars

被引：5
|
作者：
Chernov, S. V. [1 ]
机构：
[1] Russian Acad Sci, Lebedev Phys Inst, Astrospace Ctr, Profsoyuznaya Ul 84-32, Moscow 117997, Russia
来源：
ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS | 2017年 / 43卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
dynamical tides; exoplanets; evolution; stars; STELLAR ASTROPHYSICS MESA; ASYMPTOTIC APPROXIMATIONS; EXTRASOLAR PLANETS; TIDAL DISSIPATION; ROTATING OBJECTS; CLOSE BINARIES; INERTIAL WAVES; MAIN-SEQUENCE; OSCILLATIONS; MODULES;
D O I：
10.1134/S1063773717060020
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Zahn's theory of dynamical tides is analyzed critically. We compare the results of this theory with our numerical calculations for stars with a convective core and a radiative envelope and with masses of one and a half and two solar masses. We show that for a binary system consisting of stars of one and a half or two solar masses and a point object with a mass equal to the solar mass and with an orbital period of one day under the assumption of a dense spectrum and moderately rapid dissipation, the evolution time scales of the semimajor axis will be shorter than those in Zahn's theory by several orders of magnitude.
引用
收藏
页码：429 / 437
页数：9
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