This diagram shows the predicted main sequence lifetime of a red dwarf star based upon its mass relative to the Sun. After:
Adams, Fred C.; Laughlin, Gregory; Graves, Genevieve J. M. "Red Dwarfs and the End of the Main Sequence". Gravitational Collapse: From Massive Stars to Planets: 46–49, Revista Mexicana de Astronomía y Astrofísica. Retrieved on June 24, 2008.