1234M. L. Malagnini et C. Morossi, «Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars», Astronomy and Astrophysics Supplement Series, (Bibcode1990A&AS...85.1015M)
↑H. L. Johnson et al., «UBVRIJKL photometry of the bright stars», Communications of the Lunar and Planetary Laboratory, (Bibcode1966CoLPL...4...99J)
↑R. Wielen et al., «Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions», Veroeffentlichungen des Astronomischen Rechen-Instituts Heidelberg, (Bibcode1999VeARI..35....1W)