A Search for Supermetal-Poor Stars

伊恩B.汤普森乔治W.普雷斯顿斯蒂芬A. Shectman Carnegie Observatories FY 98：$123，697 For 36 months. 寻找贫超金属恒星 卡内基天文台的汤普森、普雷斯顿和谢特曼博士将在银河系内晕的一个区域进行光度搜索，寻找超金属贫乏的恒星。 这次调查将在Las Campanas天文台2.5米望远镜上进行。 贫超金属恒星可能是由第一代超新星的碎片产生的，为随后在南半球正在建造的新大型望远镜上进行高分辨率光谱学研究提供了基础。 对大量此类恒星样本的绝对分析对于进一步探索早期银河系时期超新星明显产生的金属产额的范围和种类至关重要。

Ian B.Thompson George W. Preston Stephen A. Shectman Carnegie Observatories FY 98: $123,697 For 36 months. A Search for Supermetal-poor Stars. Drs. Thompson, Preston, and Shectman at the Carnegie Observatories will carry out a photometric search for supermetal-poor stars in an area of the inner halo of our Galaxy. The survey will be conducted at the Las Campanas Observatory 2.5-m telescope. Supermetal-poor stars, likely produced from debris of first generation supernovae, provide the foundation for subsequent investigations by high resolution spectroscopy at the new large telescope that are being constructed in the southern hemisphere. Abundance analysis of a large sample of such stars is crucial for further exploration of the range and variety of metal yields evidently produced by supernovae in early Galactic times.