Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.274..899r&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 274, Issue 3, pp. 899-908.
Astronomy and Astrophysics
Astronomy
8
Methods: Numerical, Sun: Interior
Scientific paper
Recent improvements in helioseismological data have necessitated an increased accuracy of solar models. The precision of the numerical procedure used to construct a solar model should exceed the highest observational accuracy. Only when this condition is met may differences between models and observations be ascribed to physical assumptions. In this paper 1-M_solar models in various main-sequence phases and solar models that have been calculated by two completely different numerical methods, applying identical physics, are compared. We show that, to achieve high-precision models, a multiple shooting method is better suited than a differencing scheme. The application of such integrator methods to solar model codes should therefore allow a deeper insight into the physical interpretation of helioseismological data.
Reiter Johann
Walsh Linda
Weiss Alexander
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