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Rotation and Hα emission activity in F8-G3 dwarfs

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Abstract

A study of the dependence of chromospheric Hα emission strength on rotation period in F8-G3 dwarfs is made from the published data. The emission strength shows strong correlation with rotation irrespective of age and spectral type. Furthermore, the measurement of Hα emission in late-type dwarfs can be used for the determination of rotation period.

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Mekkaden, M.V. Rotation and Hα emission activity in F8-G3 dwarfs. Astrophys Space Sci 117, 381–385 (1985). https://doi.org/10.1007/BF00650163

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Keywords

  • Strong Correlation
  • Rotation Period
  • Spectral Type
  • Emission Activity
  • Emission Strength