Correlation of the Mg II h & k flux versus rotational period in late-type stars

  • J. G. Doyle
Session I: Dynamos and Stellar Activity: Observations
Part of the Lecture Notes in Physics book series (LNP, volume 254)


A correlation between the Mg h & k flux and the rotation period for main-sequence F to K stars has been extended to include all dMe stars with known rotational periods. It is shown that the relationship proposed by Hartmann et al for F to K stars does extend to the dMe stars, although there is more scatter. This is in part due to our inability to use the parameter representing the convective-overturn time.


Rotation Period Main Sequence Star Bolometric Luminosity Flare Energy Bolometric Correction 
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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • J. G. Doyle
    • 1
  1. 1.Armagh ObservatoryIreland

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