A stellar survey is a systematic study of a large number of stars in a specific region of the sky. These surveys aim to gather data on the properties, characteristics, and distribution of stars in order to better understand the structure and evolution of the galaxy and the universe as a whole. Stellar surveys can provide valuable insights into the formation and dynamics of galaxies, as well as help identify rare or unusual stars that could provide new insights into astrophysics. These surveys often make use of telescopes and instruments to collect and analyze data on the brightness, temperature, composition, and motion of stars.