Galactic Archaeology: Tracing the Milky Way's Formation and Evolution through Stellar Populations

TL;DR

Galactic archaeology uses stellar populations' distribution, kinematics, and compositions to uncover the Milky Way's formation history and structural evolution over billions of years.

Contribution

This paper reviews how stellar population analysis and data techniques reveal the Milky Way's formation and structural components, advancing understanding of galactic evolution.

Findings

Identification of distinct stellar populations in the Milky Way

Insights into the formation of galactic components like the disk and halo

Use of spectroscopic and photometric data to trace galactic history

Abstract

Galactic archaeology represents a multidisciplinary approach aimed at unraveling the intricate history of the Milky Way galaxy through the study of its stellar populations. This abstract delves into the significance of galactic archaeology as a vital tool for understanding the formation and evolution of the Milky Way. By examining the distribution, kinematics, chemical compositions, and ages of stars within the galaxy, researchers gain insights into the dynamic processes that have shaped its structure over billions of years. Stellar populations serve as invaluable relics of past epochs, preserving clues about the conditions prevalent during their formation. The utilization of spectroscopic and photometric data has enabled the classification and analysis of stars, allowing astronomers to discern distinct populations and unveil their origin stories. Through these studies, the emergence of the Milky Way's various components, such as the thin and thick disk, halo, and bulge, becomes discernible.