Weak-CN features in red supergiants across the LMC, M33, and M31 are the expected molecular-equilibrium signature of ordinary cool RSGs rather than an exotic carbon-star intermediate.
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2 Pith papers cite this work. Polarity classification is still indexing.
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2026 2representative citing papers
Unifies HST parallaxes to obtain IC1613 distance ~24.39 mag and disfavors large Cepheid metallicity corrections γ(W_VI) of -0.25 or -0.50 mag dex⁻¹ relative to TRGB benchmarks.
citing papers explorer
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Weak-CN Stars Are Ordinary Cool Red Supergiants
Weak-CN features in red supergiants across the LMC, M33, and M31 are the expected molecular-equilibrium signature of ordinary cool RSGs rather than an exotic carbon-star intermediate.
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Evaluating Cepheid Metallicity Effect Determinations via IC1613 and Gaia-independent Parallaxes
Unifies HST parallaxes to obtain IC1613 distance ~24.39 mag and disfavors large Cepheid metallicity corrections γ(W_VI) of -0.25 or -0.50 mag dex⁻¹ relative to TRGB benchmarks.