Theoretical Study of Irradiation Effects in Close Binaries

Theoretical Study of Irradiation Effects in Close Binaries

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The effect of irradiation is studied in a close binary systemassuming that the secondary component is a point source, moving in a circularorbit.The irradiation effects are calculatedon the atmosphere of the primary component in a 3-dimensional Cartesiancoordinate geometry.In treating the reflection effect theoretically, the totalradiation $(S_mathrm{T})$ is obtained as the sum of the radiation of Parts 1) the effect ofirradiation on the primary component which is calculated by using onedimensional rod model $(S_mathrm{r})$ and 2) the self radiation of the primarycomponent which is calculated by using the solution of radiative transferequation in spherical symmetry $(S_mathrm{s})$.

The radiation field is estimated alongthe line of sight of the observer at infinity.It is shown how the radiationfield changes COENZYME Q10 400 MG depending on the position of the secondary component.