3 papers
astro-ph.GA2024
The temporal and spatial variations of lithium abundance in the Galactic disc
Tiancheng Sun, Shaolan Bi, Xunzhou Chen +7
This study investigates the temporal and spatial variations in lithium abundance within the Milky Way using a sample of 22,034 main-sequence turn-off (MSTO) stars and subgiants, ch…
astro-ph.GA2023★ 6 cited
Potential Impact of the Sagittarius Dwarf Galaxy on the Formation of Young O-rich Stars
Tiancheng Sun, Shaolan Bi, Xunzhou Chen +11
The Milky Way underwent significant transformations in its early history, characterised by violent mergers and satellite galaxy accretion. However, recent observations reveal notab…
astro-ph.GA2023
Timing the formation of the Galactic thin disc with asteroseismic stellar ages
Wu Yaqian, Xiang Maosheng, Zhao Gang +3
The formation of the extended thin disc is the most spectacular event of our Galaxy in the past \,Gyr. To unveil this process, obtaining precise and accurate stellar ages fo…