An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Paschen series
  سری ِ پاشن  
seri-ye Paschen (#)
Fr.: série de Paschen  

The spectral series associated with the third energy level of the hydrogen atom. The series lies in the infrared, with Pα at 18,751 Å, and
Paschen limit at 8204 Å.

See also: In honor of Friedrich Paschen (1865-1947), German physicist; → series.