An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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soft gamma repeater (SGR)
  بازگرشگر ِ گامای ِ نرم  
bâzgaršgar-e gâmmâ-ye narm
Fr.: répéteur gamma mou  

A member of a small class of objects which emit intense bursts of → gamma rays and → X-rays (> 100 keV) at irregular intervals. The bursts last for some 100 milli-seconds. It is conjectured that they are → magnetars. See also → starquake.

See also: → soft; → gamma rays; → repeater.