The Blue Supergiant Problem and the Main-Sequence Width

Using Gaia DR3 we derive new distances and luminosities for a sample of Galactic B supergiants which were thought to be post main-sequence (MS) objects from their HR diagram location beyond the terminal-age MS (TAMS). When applying the newer Gaia distances in addition to enhanced amounts of core-bou...

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Bibliographic Details
Published in:Galaxies
Main Authors: Jorick S. Vink, Rene D. Oudmaijer
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Subjects:
Online Access:https://www.mdpi.com/2075-4434/13/2/19