(en) G. A. Gontcharov et O. V. Kiyaeva, « Photocentric orbits from a direct combination of ground-based astrometry with Hipparcos II. Preliminary orbits for six astrometric binaries », New Astronomy, vol. 15, no 3, , p. 324–331 (DOI10.1016/j.newast.2009.09.006, Bibcode2010NewA...15..324G, arXiv1606.08182)
(en) G. A. Gontcharov et O. V. Kiyaeva, « Photocentric orbits from a direct combination of ground-based astrometry with Hipparcos II. Preliminary orbits for six astrometric binaries », New Astronomy, vol. 15, no 3, , p. 324–331 (DOI10.1016/j.newast.2009.09.006, Bibcode2010NewA...15..324G, arXiv1606.08182)
(en) G. A. Gontcharov et O. V. Kiyaeva, « Photocentric orbits from a direct combination of ground-based astrometry with Hipparcos II. Preliminary orbits for six astrometric binaries », New Astronomy, vol. 15, no 3, , p. 324–331 (DOI10.1016/j.newast.2009.09.006, Bibcode2010NewA...15..324G, arXiv1606.08182)