^ 1.01.11.2van Leeuwen, F. Validation of the new Hipparcos reduction. Astronomy and Astrophysics. November 2007, 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752. doi:10.1051/0004-6361:20078357.
^ 2.02.1Gamma Hydri. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. [2015-07-12]. (原始内容于2015-07-14).
^ 3.03.1Houk, N.; Smith-Moore, M. University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume 4. Declinations -26°.0 to -12°.0. Department of Astronomy, University of Michigan: 14 + 505. 1988. Bibcode:1988mcts.book.....H.