Kavli Affiliate: Richard D. Robinson | Summary:The Galaxy Evolution Explorer (GALEX) satellite has obtained high time resolution ultraviolet photometry during a large flare on the M4 dwarf star GJ 3685A. Simultaneous NUV (1750 – 2800A) and FUV (1350 – 1750A) time-tagged photometry with time resolution better than 0.1 s shows that the overall brightness in […]