Spectroscopic Study of Ba and CEMP-s Stars: Mass Distribution of AGB Progenitors

We have performed detailed high-resolution spectroscopic analysis on seven metal-poor stars (BD+75 348, BD+09 3019, HD238020, HE0319–0215, HE0507–1653, HE0930–0018, HE1023–1504) and derived their atmospheric parameters T _eff , log g , [Fe/H], and microturbulent velocity ( ξ ). The metallicity range...

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Principais autores:	Partha Pratim Goswami, Aruna Goswami
格式:	Artigo
语言:	Inglês
出版:	IOP Publishing 2023-01-01
丛编:	The Astronomical Journal
主题:	CEMP stars Barium stars Carbon stars Chemically peculiar stars Hertzsprung Russell diagram Stellar physics
在线阅读:	https://doi.org/10.3847/1538-3881/aca971
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