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Article
A spectroscopic quadruple as a possible progenitor of sub-Chandrasekhar type Ia supernovae
Binaries have received much attention as possible progenitors of type Ia supernova explosions1, but long-term gravitational effects2,3 in tight triple or quadruple systems could also play a key role in producing ...
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Article
Carbon-enhanced metal-poor stars enriched in s-process and r-process elements
We present an on-going project consisting of analysis of a sample of twenty-five metal-poor stars, most of them carbon-enriched and thus tagged carbon-enhanced metal-poor (CEMP) stars, observed with the high-r...