VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'The most metal-poor stars in Omega Centauri (NGC5139).' (bibcode: 2020AJ....159..254J)
Johnson, C. I. (Creator), Dupree, A. K. (Creator), Mateo, M. (Creator), Bailey, J. I. (Creator), Olszewski, E. W. (Creator), Walker, M. G. (Creator), Mateo, M. (Creator), Walker, M. G. (Creator) (2020). Parameters for 453 metal-poor stars in NGC5139. Centre de Donnees Strasbourg (CDS). 10.26093/cds/vizier.51590254