2008
DOI: 10.1051/0004-6361:20078403
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Combined effects of tidal and rotational distortions on the equilibrium configuration of low-mass, pre-main sequence stars

Abstract: Context. In close binary systems, the axial rotation and the mutual tidal forces of the component stars deform each other and destroy their spherical symmetry by means of the respective disturbing potentials. Aims. We present new models for low-mass, pre-main sequence stars that include the combined distortion effects of tidal and rotational forces on the equilibrium configuration of stars. Using our theoretical results, we aim at investigating the effects of interaction between tides and rotation on the stell… Show more

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Cited by 52 publications
(31 citation statements)
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“…It seems likely that their discrepant results are due to the breakdown of this method in the limit of strong distortion. However, we cannot rule out that the discrepancy may be related to the polytropic approximation, in which case the Landin et al (2009) results would be preferred.…”
Section: Tidal and Rotational Deformationmentioning
confidence: 93%
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“…It seems likely that their discrepant results are due to the breakdown of this method in the limit of strong distortion. However, we cannot rule out that the discrepancy may be related to the polytropic approximation, in which case the Landin et al (2009) results would be preferred.…”
Section: Tidal and Rotational Deformationmentioning
confidence: 93%
“…Second, Landin et al (2009) have also recently modeled the effect of Roche deformation on low-mass MS stars. Surprisingly, they find that the net effect of this deformation is to slightly reduce the stellar radius.…”
Section: Tidal and Rotational Deformationmentioning
confidence: 99%
See 1 more Smart Citation
“…However, the total potential in the stellar interior (to first-order approximation) can be composed by four parts (Kopal 1959(Kopal , 1960(Kopal , 1974Endal & Sofia 1976;Landin 2009): ψ s , the spherical symmetric part of the gravitational potential; ψ r , the cylindrically symmetric potential due to rotation; ψ t the non-symmetric potential due to tidal force, and ψ d , the non-symmetric part of the gravitational potential due to the distortion of the component considering the rotational and tidal effects. Therefore, the total potential at P(r, θ, ϕ) is…”
Section: Considering Stellar Structure Equations With Spin and Tidal mentioning
confidence: 99%
“…In a rotating binary system, the joint effect of rotation and tides modifies the shapes of two components from the perfect sphere to triaxial ellipsoids (Landin et al 2009;Song et al 2009Song et al , 2011Huang 2004). Eggleton & Kiseleva (1998) have presented the equations governing the quadrupole tensor of a star distorted both by rotation and by the presence of a companion in a possibly eccentric orbit.…”
Section: Introductionmentioning
confidence: 99%