重建银河系盘的化石子结构：来自老疏散星团和移动星团丰度模式的线索
Reconstructing fossil sub-structures of the Galactic disk: clues from abundance patterns of old open clusters and moving groups
摘要：
大规模化学标记的长期目标是利用恒星元素丰度作为银河系圆盘分散子结构的示踪剂。识别这些丢失的恒星聚集体并探索它们的化学性质将是理解盘形成和演化的关键。现今的恒星结构，如疏散星团和移动星群，是化学标记可行性的理想试验场，因为它们被认为是最初较大的恒星形成聚集体的残余。直到最近，文献中还缺乏对疏散星团和运动星团的高精度元素丰度研究。本文回顾了近年来疏散星团高分辨率丰度研究的进展，探讨了疏散星团的各种丰度变化趋势，并对大尺度化学示踪的前景进行了展望。
英文摘要：
The long term goal of large-scale chemical tagging is to use stellar elemental abundances as a tracer of dispersed substructures of the Galactic disk. The identification of such lost stellar aggregates and the exploration of their chemical properties will be key in understanding the formation and evolution of the disk. Present day stellar structures such as open clusters and moving groups are the ideal testing grounds for the viability of chemical tagging, as they are believed to be the remnants of the original larger starforming aggregates. Until recently, high accuracy elemental abundance studies of open clusters and moving groups having been lacking in the literature. In this paper we examine recent high resolution abundance studies of open clusters to explore the various abundance trends and reasses the prospects of large-scale chemical tagging.
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