(en) H. L. Johnson, B. Iriarte, R. I. Mitchell et W. Z. Wisniewskj, « UBVRIJKL photometry of the bright stars », Communications of the Lunar and Planetary Laboratory, vol. 4, no 99, (Bibcode1966CoLPL...4...99J)
(en) Ralph Elmer Wilson, General Catalogue of Stellar Radial Velocities, Washington, Carnegie Institution of Washington, (Bibcode1953GCRV..C......0W)