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J/A+A/494/209 Pre-main sequence evolutionary tracks (Landin+, 2009)
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table1?.dat
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Beginning of ReadMe :J/A+A/494/209 Pre-main sequence evolutionary tracks (Landin+, 2009)
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Combined effects of tidal and rotational distortions on the equilibrium
configuration of low-mass, pre-main sequence stars.
Landin N.R., Mendes L.T.S., Vaz L.P.R.
<Astron. Astrophys. 494, 209 (2009)>
=2009A&A...494..209L
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ADC_Keywords: Models, evolutionary ; Stars, pre-main sequence
Keywords: stars: evolution - stars: interiors - stars: rotation -
stars: pre-main sequence - stars: binaries: close -
stars: low-mass, brown dwarfs
Abstract:
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.
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 stellar structure and evolution.
Description:
These data present new pre-main sequence evolutionary tracks
(including apsidal motion constants and gyration radii) for 0.09, 0.1,
0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0,
2.3, 2.5, 2.8, 3.0, 3.3, 3.5 and 3.8 solar masses. The track was
generated with a modified version of D'Antona & Mazzitelli's code (the
ATON code) described in Ventura et al. (1998A&A...334..953V). We
include the combined distortions effects of tidal and rotational
forces in the ATON code and the results are presented in four tables
for four sets of tracks: standard models (including no distortion
effect), binary models (including only tidal distortions), rotating
models (including only rotational distortions) and rotating binary
models (including both tidal and rotational distortions). All models
were computed with solar metallicity (Z=0.0175, Y=0.27) and alpha=1.5
(mixing length theory parameter).