VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'Abundance differences between exoplanet binary host stars XO-2N and XO-2S - Dependence on stellar parameters.' (bibcode: 2015ApJ...801L..10T)
Teske, J. K. (Creator), Ghezzi, L. (Creator), Cunha, K. (Creator), Smith, V. V. (Creator), Schuler, S. C. (Creator), Bergemann, M. (Creator) (2015). XO-2N and XO-2S equivalent widths. Centre de Donnees Strasbourg (CDS). 10.26093/cds/vizier.18019010