Barrado y Navascues, D. «The Castor moving group. The age of Fomalhaut and VEGA». Astronomy and Astrophysics, vol. 339, 1998, pàg. 831–839. arXiv: astro-ph/9905243. Bibcode: 1998A&A...339..831B.
«VLTI near-IR interferometric observations of Vega-like stars. Radius and age of α PsA, β Leo, β Pic, ɛ Eri and τ Cet». Astronomy and Astrophysics, vol. 426, 2, 11-2004, pàg. 601–617. Bibcode: 2004A&A...426..601D. DOI: 10.1051/0004-6361:20047189. This paper lists [Fe/H] = −0.10 dex.
Barrado y Navascues, D. «The Castor moving group. The age of Fomalhaut and VEGA». Astronomy and Astrophysics, vol. 339, 1998, pàg. 831–839. arXiv: astro-ph/9905243. Bibcode: 1998A&A...339..831B.
«VLTI near-IR interferometric observations of Vega-like stars. Radius and age of α PsA, β Leo, β Pic, ɛ Eri and τ Cet». Astronomy and Astrophysics, vol. 426, 2, 11-2004, pàg. 601–617. Bibcode: 2004A&A...426..601D. DOI: 10.1051/0004-6361:20047189. This paper lists [Fe/H] = −0.10 dex.