Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Robinson, P. E. (2003). «Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I». The Astronomical Journal126 (4): 2048. Bibcode:2003AJ....126.2048G. arXiv:astro-ph/0308182. doi:10.1086/378365.
Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Robinson, P. E. (2003). «Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I». The Astronomical Journal126 (4): 2048. Bibcode:2003AJ....126.2048G. arXiv:astro-ph/0308182. doi:10.1086/378365.
Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (2008). «Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity». The Astronomical Journal135: 209. Bibcode:2008AJ....135..209M. doi:10.1088/0004-6256/135/1/209.
Ducati, J. R. (2002). «VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system». CDS/ADC Collection of Electronic Catalogues2237: 0. Bibcode:2002yCat.2237....0D.
Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Robinson, P. E. (2003). «Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I». The Astronomical Journal126 (4): 2048. Bibcode:2003AJ....126.2048G. arXiv:astro-ph/0308182. doi:10.1086/378365.
Massarotti, Alessandro; Latham, David W.; Stefanik, Robert P.; Fogel, Jeffrey (2008). «Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity». The Astronomical Journal135: 209. Bibcode:2008AJ....135..209M. doi:10.1088/0004-6256/135/1/209.