An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Henyey track
  تر ِ هنی  
tor-e Henyey
Fr.: trajet de Henyey  

A nearly horizontal path on the → Hertzsprung-Russell diagram that a → pre-main sequence star of small mass follows in an early stage of evolution after leaving the → Hayashi track and before reaching the → main sequence. During this stage the pre-main sequence star remains almost wholly in radiative equilibrium.

See also: After Louis George Henyey (1910-1970), American astronomer. Henyey et al. (1955, PASP 67, 154).