RAVE J203843.2-002333 high-resolution spectroscopy
收藏B2FIND2026-03-19 收录
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We report the discovery of RAVE J203843.2-002333, a bright (V=12.73), very metal-poor ([Fe/H]=-2.91), r-process-enhanced ([Eu/Fe]=+1.64 and [Ba/Eu]=-0.81) star selected from the...
我们报道了恒星RAVE J203843.2-002333的发现,该星视星等V=12.73,属于极贫金属星([Fe/H]=-2.91),且为快中子俘获过程(r-process)增丰星,其元素丰度比为[Eu/Fe]=+1.64、[Ba/Eu]=-0.81,该星是从……中筛选出的。



