Gaia Gaps and the Physics of Low-Mass Stars. I. The Fully Convective Boundary

Gregory A. Feiden, Khian Skidmore, Wei-Chun Jao

The Gaia M-dwarf gap is a significant under-density of stars observed near $M_G=10.2$ in a color-magnitude diagram for stars within 200 pc of the Sun. It has been proposed that t…