Preliminary General Catalogue of 6,188 Stars for the Epoch 1900

The Preliminary General Catalogue of 6,188 Stars for the Epoch 1900 is a significant work in astronomy, compiled by Lewis Boss. This catalog lists the positions and motions of stars, building upon and correcting previous astronomical data.12

Lewis Boss, an American astronomer, dedicated himself to this project, which was supported by the Carnegie Institution. He led an effort to observe both northern and southern stars, utilizing data from Albany and Argentina. Published in 1910, the catalog was a crucial step in understanding stellar positions and movements, though his son Benjamin later completed a more extensive version. Star catalogs, like this one, are fundamental tools for astronomers, providing organized lists of stars with their properties.12