VizieR online Data Catalogue associated with article published in journal Monthly Notices of the Royal Astronomical Society with title ' The discovery of Segue 2: a prototype of the population of satellites of satellites.' (bibcode: 2009MNRAS.397.1748B)
Belokurov, V. (Creator), Walker, M. G. (Creator), Evans, N. W. (Creator), Gilmore, G. (Creator), Irwin, M. J. (Creator), Mateo, M. (Creator), Mayer, L. (Creator), Olszewski, E. (Creator), Bechtold, J. (Creator), Pickering, T. (Creator) (2009). Spectroscopic study of Segue 2. Centre de Donnees Strasbourg (CDS). 10.26093/cds/vizier.73971748