Galactic Archaeology with Gaia
arxiv(2024)
摘要
The Gaia mission has revolutionized our view of the Milky Way and its
satellite citizens. The field of Galactic Archaeology has been piecing together
the formation and evolution of the Galaxy for decades, and we have made great
strides, with often limited data, towards discovering and characterizing the
subcomponents of the Galaxy and its building blocks. Now, the exquisite 6D
phase-space plus chemical information from Gaia and its complementary
spectroscopic surveys has handed us a plethora of data to pour over as we move
towards a quantitative rather than qualitative view of the Galaxy and its
progenitors. We review the state of the field in the post-Gaia era, and examine
the key lessons that will dictate the future direction of Galactic halo
research.
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