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Time Variability of FUV Emission from Cool Stars on Multi-year Timescales

France, Kevin; Youngblood, Allison; Kamgar, Leo

The physical and chemical properties of planetary atmospheres are affected by temporal evolution of ultraviolet (UV) radiation inputs from their host stars at all time scales. While studies of X-ray/UV flare properties and long-term stellar evolution of exoplanet host stars have provided new constraints regarding stellar inputs to exoplanetary sys…