The Astrophysical Journal· 2026Q1
The LBT Y p Project. II. MODS Spectra, Physical Conditions, and Oxygen Abundances in Local Metal-poor Nebulae
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- Q1SCImago
- 2026year
Short summary
New deep spectroscopy of 62 low-metallicity galaxies (≲20% solar O/H) using LBT MODS enables precise measurement of He/H and O/H abundances, crucial for empirically determining the primordial Helium mass fraction (Yp).
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