The consequences of magnetic fields for the atmospheres of cool stars are addressed based on IUE and Einstein Observatory observations. Gross atmospheric structure data for cool luminous stars are discussed, and the relevance of the observations for the energy balance and nonradiative heating rates is considered. Data from X-ray fluxes, low dispersion UV spectra, and high dispersion spectra in the region of the Mg II resonance lines are presented. New results on cool star atmospheres provided by high dispersion UV spectra are considered, including those pertaining to spectral line identification, identification of emission components in close binary systems, densities and atmospheric extension, emission line widths, properties of stellar winds as derived from IUE data, and systematic flows of transition region plasma. An explanation for the observed spectra of cool giants and supergiants is proposed in terms of active, quiet, and hybrid stars.


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    Titel :

    Cool luminous stars


    Beteiligte:
    Linsky, J. L. (Autor:in)

    Erscheinungsdatum :

    1982-01-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Cool luminous stars

    Linsky, Jeffrey L. | Elsevier | 1982


    IUE observations of cool stars

    Hartmann, L. | Elsevier | 1982


    Einstein observations of cool stars

    Stern, Robert A. | Elsevier | 1982


    Einstein observations of cool stars

    Stern, R. A. | NTRS | 1982


    Dynamics, Winds and Structure in Cool Stars

    Linsky, J. L. | British Library Online Contents | 1998