C.D.S. - SIMBAD4 rel 1.8 - 2024.05.30CEST13:02:37 Reference query: 1998AcA....48..383U (1 found) ---------------------------------------------- 1998AcA....48..383U Acta Astron., 48, 383-404 (1998) The Optical Gravitational Lensing Experiment. Population effects on the mean brightness of the red clump stars. UDALSKI A. -Simbad objects: 20