ESPRESSO radial velocities of HE0107-5240
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The vast majority of the known stars of ultra low metallicity ([Fe/H]<-4.5) are known to be enhanced in carbon, and belong to the 'low-carbon band' (A(C)=log(C/H)+12~7.6). It...
已知的绝大多数超低金属丰度（ultra low metallicity）恒星（[Fe/H] < -4.5）均被证实具有碳增强特征，且隶属于‘低碳带’（A(C)=log(C/H)+12≈7.6）。其……
