Vizier

VizieR is an online database maintained by the Centre de Données astronomiques de Strasbourg (CDS), providing access to a vast collection of astronomical catalogs and data from numerous sky surveys. It enables researchers and enthusiasts to efficiently search, retrieve, and analyze various astronomical measurements, such as star positions, brightness, and other celestial object information. VizieR simplifies the process of accessing complex datasets, making it easier to support scientific research, data analysis, and exploration of the universe.