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• n  a red dwarf star in which luminosity can change several magnitudes in a few minutes

News & Articles

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• Flare star WX UMa becomes 15 times brighter in less than 3 minutes
  Astrophysicists have detected a star of low luminosity which within a matter of moments gave off a flare so strong that it became almost 15 times brighter. The star in question is the flare star WX UMa.
  June 14, 2013 - Science Daily
• Nearby Flare Star Gives Off Explosive Burst Of Light
  Brett Smith for redOrbit.com - Your Universe Online Within a span of three minutes, a star in the Usra Major constellation less than 16 light-years from Earth gave off a massive flare, making the object 15 times brighter than normal, according to a new report in the journal Astrophysics . The star, known as WX UMa, is a so-called flare star, a class of stars which can become 100 times or more ...
  June 14, 2013 - redOrbit