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arxiv: 1806.11454 · v3 · pith:7DZQHK6Qnew · submitted 2018-06-29 · 🌌 astro-ph.SR

An explanation for the gap in the Gaia HRD for M dwarfs

classification 🌌 astro-ph.SR
keywords gaianarrowassociatedconvectioncorediagramdiscoveredduring
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We show that the recently discovered narrow gap in the Gaia Hertzsprung - Russell Diagram near MG =10 can be explained by standard stellar evolution models and results from a dip in the luminosity function associated with mixing of 3He during merger of envelope and core convection zones that occurs for a narrow range of masses.

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