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astro-ph.SR2025
Near-infrared characterization of evolved massive stars in M31 and M33
Michaela Kraus, Maria Laura Arias, Michalis Kourniotis +3
The upper region of the Hertzsprung-Russell diagram is populated by massive stars in a diversity of evolutionary stages, and the classification of these stars is often based on obs…
astro-ph.SR2025
HD 144812: A transition-phase massive star in a binary system
Michalis Kourniotis, Michaela Kraus, Maria Laura Arias +1
In this Letter, we shed light on the evolutionary phase of HD 144812, a Galactic yellow supergiant showing infrared excess that is typically expected for evolved stars undergoing e…