da Silva, L.; et al. (dezembro de 2009), «Search for associations containing young stars (SACY). III. Ages and Li abundances», Astronomy and Astrophysics, 508 (2): 833–839, Bibcode:2009A&A...508..833D, doi:10.1051/0004-6361/200911736.
Makarov, Valeri V. (outubro de 2003), «The 100 Brightest X-Ray Stars within 50 Parsecs of the Sun», The Astronomical Journal, 126 (4): 1996–2008, Bibcode:2003AJ....126.1996M, doi:10.1086/378164.
harvard.edu
ui.adsabs.harvard.edu
Johnson, H. L.; et al. (1966), «UBVRIJKL photometry of the bright stars», Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J.
Abia, C.; et al. (novembro de 1988), «Abundances of light metals and NI in a sample of disc stars», Astronomy and Astrophysics, 206 (1): 100–107, Bibcode:1988A&A...206..100A.
da Silva, L.; et al. (dezembro de 2009), «Search for associations containing young stars (SACY). III. Ages and Li abundances», Astronomy and Astrophysics, 508 (2): 833–839, Bibcode:2009A&A...508..833D, doi:10.1051/0004-6361/200911736.
Makarov, Valeri V. (outubro de 2003), «The 100 Brightest X-Ray Stars within 50 Parsecs of the Sun», The Astronomical Journal, 126 (4): 1996–2008, Bibcode:2003AJ....126.1996M, doi:10.1086/378164.