The Benchmark M Dwarf Eclipsing Binary CM Draconis With TESS: Spots, Flares and Ultra-Precise Parameters

David V. Martin, Ritika Sethi, Tayt Armitage +3

A gold standard for the study of M dwarfs is the eclipsing binary CM Draconis. It is rare because it is bright ($J_{\mathrm{mag}}=8.5$) and contains twin fully convective stars on an al…