Spots and White Light Flares in an L Dwarf
DELAWARE UNIV NEWARK DEPT OF PHYSICS AND ASTRONOMY
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We present a summary of Kepler and supporting observations of a nearby L1 dwarf. We find periodic 8.9 hour variations with an amplitude of 1.5. The surface features have remained consistent for 15 months. Magnetic starspots are a plausible explanation, but a cloud-related feature is also possible. We also detect white light flares as powerful as the strongest solar flares, despite the low temperature of the photosphere.