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 Journal》 126 (4): 2048. arXiv:astro-ph/0308182. Bibcode:2003AJ....126.2048G. 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 Journal》 126 (4): 2048. arXiv:astro-ph/0308182. Bibcode:2003AJ....126.2048G. doi:10.1086/378365.
Pizzolato, N.; Maggio, A.; Sciortino, S. (September 2000), “Evolution of X-ray activity of 1–3 Msun late-type stars in early post-main-sequence phases”, 《Astronomy and Astrophysics》 361: 614–628, Bibcode:2000A&A...361..614P
Malagnini, M. L.; Morossi, C. (November 1990), “Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars”, 《Astronomy and Astrophysics Supplement Series》 85 (3): 1015–1019, Bibcode:1990A&AS...85.1015M
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 Journal》 126 (4): 2048. arXiv:astro-ph/0308182. Bibcode:2003AJ....126.2048G. doi:10.1086/378365.
Mermilliod, J.-C. (1986). “Compilation of Eggen's UBV data, transformed to UBV (unpublished)”. 《Catalogue of Eggen's UBV data》. Bibcode:1986EgUBV........0M.
Samus, N. N.; Durlevich, O. V.; 외. (2009). “VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007–2013)”. 《VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S》 1. Bibcode:2009yCat....102025S.