New measurements of rotation and differential rotation in A-F stars: are there two populations of differentially rotating stars?

  title={New measurements of rotation and differential rotation in A-F stars: are there two populations of differentially rotating stars?},
  author={Matthias Ammler-von Eiff and A. Reiners},
  journal={Astronomy and Astrophysics},
Context. The Sun displays differential rotation that is intimately connected to the solar dynamo and hence related to solar activity, the solar cycle, and the solar wind. Considering the detectability and habitability of planets around other stars it is important to understand the role of differential rotation in other stars. Aims. We present projected rotational velocities and new measurements of the rotational profile of some 180 nearby stars with spectral types A-F. The results are… 
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