The luminosities of cool supergiants in the Magellanic Clouds, and the Humphreys–Davidson limit revisited
The luminosities of cool supergiants in the Magellanic Clouds, and the Humphreys–Davidson limit revisited
The empirical upper luminosity boundary $L_{\rm max}$ of cool supergiants, often referred to as the Humphreys-Davidson limit, is thought to encode information on the general mass-loss behaviour of massive stars. Further, it delineates the boundary at which single stars will end their lives stripped of their hydrogen-rich envelope, which in …