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astro-ph.SR2026
On the photospheric abundances of the B-type fast rotator Regulus
Yoichi Takeda
A spectroscopic study of Regulus (late B-type rapidly-rotating star) was conducted with an aim of investigating its photospheric chemical abundances (especially for light elements)…
astro-ph.SR2026
Photospheric abundances of the rapidly-rotating A-type star Altair
Yoichi Takeda
Altair is an A-type star known to have an appreciably oblate shape owing to its very fast rotation (~300 km/s). Despite of numerous publications on this star, its chemical abundanc…