Zechmeister, M.; Kürster, M.; Endl, M. (October 2009). "The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs". Astronomy and Astrophysics. 505 (2): 859–871. arXiv:0908.0944. डीओआइ:10.1051/0004-6361/200912479. बिबकोड:2009A&A...505..859Z.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (February 2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy and Astrophysics. 367: 521–524. arXiv:astro-ph/0012289. डीओआइ:10.1051/0004-6361:20000451. बिबकोड:2001A&A...367..521P. Note: Search the VizieR catalogue II/224Archived 2019-06-03 at the वेबैक मशीन for HD 225213.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (November 1999). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition". Astronomy and Astrophysics Supplement. 139: 555–558. डीओआइ:10.1051/aas:1999407. बिबकोड:1999A&AS..139..555G.
Zechmeister, M.; Kürster, M.; Endl, M. (October 2009). "The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs". Astronomy and Astrophysics. 505 (2): 859–871. arXiv:0908.0944. डीओआइ:10.1051/0004-6361/200912479. बिबकोड:2009A&A...505..859Z.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (February 2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy and Astrophysics. 367: 521–524. arXiv:astro-ph/0012289. डीओआइ:10.1051/0004-6361:20000451. बिबकोड:2001A&A...367..521P. Note: Search the VizieR catalogue II/224Archived 2019-06-03 at the वेबैक मशीन for HD 225213.
Perryman, M. A. C.; एवं अन्य (1997), "The Hipparcos Catalogue", Astronomy & Astrophysics, 323: L49–L52, बिबकोड:1997A&A...323L..49P
Cousins, A. W. J. (1973). "UBV Photometry of Some Southern Stars (Third List)". Monthly Notes of the Astronomical Society of Southern Africa. 32 (2): 43–48. बिबकोड:1973MNSSA..32...43C.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (November 1999). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition". Astronomy and Astrophysics Supplement. 139: 555–558. डीओआइ:10.1051/aas:1999407. बिबकोड:1999A&AS..139..555G.
Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Institute of Washington D.C. बिबकोड:1953GCRV..C......0W.
Zechmeister, M.; Kürster, M.; Endl, M. (October 2009). "The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs". Astronomy and Astrophysics. 505 (2): 859–871. arXiv:0908.0944. डीओआइ:10.1051/0004-6361/200912479. बिबकोड:2009A&A...505..859Z.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (February 2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy and Astrophysics. 367: 521–524. arXiv:astro-ph/0012289. डीओआइ:10.1051/0004-6361:20000451. बिबकोड:2001A&A...367..521P. Note: Search the VizieR catalogue II/224Archived 2019-06-03 at the वेबैक मशीन for HD 225213.
Perryman; एवं अन्य (1997). "HIP 439". The Hipparcos and Tycho Catalogues. मूल से 25 सितंबर 2015 को पुरालेखित. अभिगमन तिथि 2014-10-22.
vizier.u-strasbg.fr
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (February 2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy and Astrophysics. 367: 521–524. arXiv:astro-ph/0012289. डीओआइ:10.1051/0004-6361:20000451. बिबकोड:2001A&A...367..521P. Note: Search the VizieR catalogue II/224Archived 2019-06-03 at the वेबैक मशीन for HD 225213.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (February 2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy and Astrophysics. 367: 521–524. arXiv:astro-ph/0012289. डीओआइ:10.1051/0004-6361:20000451. बिबकोड:2001A&A...367..521P. Note: Search the VizieR catalogue II/224Archived 2019-06-03 at the वेबैक मशीन for HD 225213.