Tsuji, Takashi (maio de 2007), «Isotopic abundances of Carbon and Oxygen in Oxygen-rich giant stars», in: Kupka, F.; Roxburgh, I.; Chan, K., Convection in Astrophysics, Proceedings of IAU Symposium #239 held 21-25 August, 2006 in Prague, Czech Republic, pp. 307–310, Bibcode:2007IAUS..239..307T, arXiv:astro-ph/0610180, doi:10.1017/S1743921307000622
«The Colour of Stars», Commonwealth Scientific and Industrial Research Organisation, Australia Telescope, Outreach and Education, 21 de dezembro de 2004, consultado em 24 de setembro de 2012
Tsuji, Takashi (maio de 2007), «Isotopic abundances of Carbon and Oxygen in Oxygen-rich giant stars», in: Kupka, F.; Roxburgh, I.; Chan, K., Convection in Astrophysics, Proceedings of IAU Symposium #239 held 21-25 August, 2006 in Prague, Czech Republic, pp. 307–310, Bibcode:2007IAUS..239..307T, arXiv:astro-ph/0610180, doi:10.1017/S1743921307000622
Massarotti, Alessandro; et al. (janeiro de 2008), «Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity», The Astronomical Journal, 135 (1): 209–231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209
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
Tsuji, Takashi (maio de 2007), «Isotopic abundances of Carbon and Oxygen in Oxygen-rich giant stars», in: Kupka, F.; Roxburgh, I.; Chan, K., Convection in Astrophysics, Proceedings of IAU Symposium #239 held 21-25 August, 2006 in Prague, Czech Republic, pp. 307–310, Bibcode:2007IAUS..239..307T, arXiv:astro-ph/0610180, doi:10.1017/S1743921307000622
Massarotti, Alessandro; et al. (janeiro de 2008), «Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity», The Astronomical Journal, 135 (1): 209–231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209
Gavin, M. (fevereiro de 1996), «Stellar spectroscopy with CCDs - some preliminary results», Journal of the British Astronomical Association, 106 (1): 11–15, Bibcode:1996JBAA..106...11G
Mauron, N.; Caux, E. (novembro de 1992), «K I/Na I scattering observations in circumstellar envelopes - Alpha(1) Herculis, Omicron Ceti, TX PISCIUM and Beta Pegasi», Astronomy and Astrophysics, 265 (2): 711–725, Bibcode:1992A&A...265..711M. Solar Radius = 0.0046491 AU.