• Reflection effect in close binaries. III. Distribution of radiation incident from an extended source

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    • Keywords


      reflection effect; radiative transfer; density distribution

    • Abstract


      We have studied the effects of irradiation from an extended surface of the secondary component on the atmosphere of the primary. We have considered an isothermal and purely scattering medium. The resultant radiation field due to irradiation from an extended surface and self-radiation is different from that due to irradiation from a point source and self-radiation. In the case of the point source the middle layers of the exposed part of the atmosphere show maximum reflection while in the former case the reflection gradually decreases from the centre of the component towards the surface of the outermost layers of the atmosphere. The reflection effect appears to be strongly dependent on the density distribution of the electrons.

    • Author Affiliations


      A. Peraiah1

      1. Indian Institute of Astrophysics, Bangalore - 560034
    • Dates

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