Harrigan, M. J., H. J. Newberg, L. A. Newberg, B. Yanny, T. C. Beers, Y. S. Lee and P. Re Fiorentin: Statistical properties of blue horizontal branch stars in the spheroid: detection of a moving group ~50kpc from the Sun. In: Monthly Notices of the Royal Astronomical Society 405, 3, 1796-1808 (2010).
url: http://adsabs.harvard.edu/abs/2010MNRAS.405.1796H
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