Luyten, Willem

Willem Luyten was an astronomer who, from the 1930s up to the 1980s, discovered thousands of nearby stars in several huge surveys including the Bruce Proper Motion Survey in 1944 and the Luyten-Palomar Survey in the 1970s. He published several catalogues of proper motion including the Luyten catalogue (L), the Luyten-Palomar catalogue (LP), the Luyten Two-Tenths Arcsecond catalogue (LTT), the Luyten Four-Tenths Arcsecond Catalogue (LFT), and the Luyten Half-Second catalogue (LHS).