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Aziza B. Umirova

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Open access Sep 2026

An Observational Hertzsprung–Russell Diagram and Fundamental Parameters of Galactic BA Supergiants

Galactic B- and A-type supergiants serve as critical observational anchors for testing massive-star evolution models and calibrating extragalactic distance indicators. Building upon a uniform Teff scale established in our previous work, we construct a self-consistent observational Hertzsprung–Russell diagram (HRD) for...

Shakhida T. Nurmakhametova, Aziza B. Umirova, N. Vaidman et al. · 0 citations

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