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  1. No Access

    Article

    Late-Type Active Stars: Rotation & Companions

    Rapid rotation has been established empirically as the controlling factor for the magnetic field strength and the magnetic activity level of single late-type (F-M) stars. The dynamo theories explain this fact ...

    T. H. Dall, K. G. Strassmeier, H. Bruntt in Astrophysics and Space Science (2006)

  2. No Access

    Chapter and Conference Paper

    Abundance Variations in NGC 288, NGC 362 and NGC 1851

    Strömgren uvby photometry is a powerful tool to study abundance variations in globular clusters through the c 1 and m 1 indices. This is because the NH (3360Å) and ...

    F. Grundahl, H. Bruntt in Chemical Abundances and Mixing in Stars in… (2006)

  3. No Access

    Chapter and Conference Paper

    Studying Old Open Clusters with Detached Eclipsing Binaries

    The single most important parameter which determines the evolution of a star is its mass. Detached eclipsing binaries offer the possibility to determine accurate masses and radii for their components. By study...

    F. Grundahl, S. Meibom, H. Bruntt… in Chemical Abundances and Mixing in Stars in… (2006)

  4. No Access

    Article

    Giant Vibrations in Dip

    This work reports the discovery of solar-type oscillations in thegiant star ξ Hydrae.

    T.C. Teixeira, J. Christensen-Dalsgaard, F. Carrier… in Astrophysics and Space Science (2003)