flare star

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Related to UV Ceti variable: UV Ceti stars

flare star

n
(Astronomy) a red dwarf star in which outbursts, thought to be analogous to solar flares, occur, increasing the luminosity by several magnitudes in a few minutes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun1.flare star - a red dwarf star in which luminosity can change several magnitudes in a few minutes
red dwarf, red dwarf star - a small, old, relatively cool star; approximately 100 times the mass of Jupiter
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