Lang, Kenneth R., Astrophysical formulae, Astronomy and astrophysics library 1 3, Birkhäuser, 2006 [2013-12-12], ISBN 3540296921, (原始内容存档于2013-06-22). The radius (R*) is given by:
Gutierrez-Moreno, Adelina; Moreno, Hugo, A photometric investigation of the Scorpio-Centaurus association, Astrophysical Journal Supplement, June 1968, 15: 459, Bibcode:1968ApJS...15..459G, doi:10.1086/190168
Zorec, J.; et al, Fundamental parameters of B supergiants from the BCD system. I. Calibration of the (λ_1, D) parameters into Teff, Astronomy and Astrophysics, July 2009, 501 (1): 297–320, Bibcode:2009A&A...501..297Z, doi:10.1051/0004-6361/200811147
Abt, Helmut A.; Levato, Hugo; Grosso, Monica, Rotational Velocities of B Stars, The Astrophysical Journal, July 2002, 573 (1): 359–365, Bibcode:2002ApJ...573..359A, doi:10.1086/340590
Wielen, R.; et al, Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions (35), Astronomisches Rechen-Institut Heidelberg, 1999, Bibcode:1999VeARI..35....1W.
Gutierrez-Moreno, Adelina; Moreno, Hugo, A photometric investigation of the Scorpio-Centaurus association, Astrophysical Journal Supplement, June 1968, 15: 459, Bibcode:1968ApJS...15..459G, doi:10.1086/190168
Zorec, J.; et al, Fundamental parameters of B supergiants from the BCD system. I. Calibration of the (λ_1, D) parameters into Teff, Astronomy and Astrophysics, July 2009, 501 (1): 297–320, Bibcode:2009A&A...501..297Z, doi:10.1051/0004-6361/200811147
Abt, Helmut A.; Levato, Hugo; Grosso, Monica, Rotational Velocities of B Stars, The Astrophysical Journal, July 2002, 573 (1): 359–365, Bibcode:2002ApJ...573..359A, doi:10.1086/340590
Kaler, James B., Zubeneschamali, Stars (University of Illinois), 2006 [2006-07-03], (原始内容存档于2006-07-14)
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Lang, Kenneth R., Astrophysical formulae, Astronomy and astrophysics library 1 3, Birkhäuser, 2006 [2013-12-12], ISBN 3540296921, (原始内容存档于2013-06-22). The radius (R*) is given by: