An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Z source
  خن ِ Z  
xan-e Z
Fr.: source Z  

A member of a class of → low-mass X-ray binary systems
containing low-magnetic field → neutron stars. See also → atoll source.

See also: The name derives from the fact that on X-ray → color-color diagrams Z sources usually form a Z shape that is traced on timescales of hours to days; → source