Radiative hydrodynamical studies of irradiated atmospheres

Ian Dobbs-Dixon

    Research output: Contribution to journalArticle

    Abstract

    Transiting planets provide a unique opportunity to study the atmospheres of extrasolar planets. Radiative hydrodynamical models of the atmosphere provide a crucial link between the physical characteristics of the atmosphere and the observed properties. Here I present results from 3D simulations which solve the full Navier-Stokes equations coupled to a flux-limited diffusion treatment of radiation transfer. Variations in opacity amongst models leads to a variation in the temperature differential across the planet, while atmospheric dynamics becomes much more variable at longer orbital periods. I also present 3D radiative simulations illustrating the importance of distinguishing between optical and infrared opacities.

    Original languageEnglish (US)
    Pages (from-to)273-279
    Number of pages7
    JournalProceedings of the International Astronomical Union
    Volume4
    Issue numberS253
    DOIs
    StatePublished - May 1 2008

    Fingerprint

    planet
    opacity
    atmospheres
    atmosphere
    planets
    atmospheric dynamics
    Navier-Stokes equations
    extrasolar planets
    Navier-Stokes equation
    simulation
    orbitals
    radiation
    temperature

    ASJC Scopus subject areas

    • Astronomy and Astrophysics

    Cite this

    Radiative hydrodynamical studies of irradiated atmospheres. / Dobbs-Dixon, Ian.

    In: Proceedings of the International Astronomical Union, Vol. 4, No. S253, 01.05.2008, p. 273-279.

    Research output: Contribution to journalArticle

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