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. Bibcode:2009A&A...505..859Z. doi:10.1051/0004-6361/200912479.
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. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.Note: Search the VizieR catalogue II/224 for HD 225213.
Suárez Mascareño, A.; 외. (September 2015), “Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators”, 《Monthly Notices of the Royal Astronomical Society》 452 (3): 2745–2756, arXiv:1506.08039, Bibcode:2015MNRAS.452.2745S, doi:10.1093/mnras/stv1441.
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. Bibcode:2009A&A...505..859Z. doi:10.1051/0004-6361/200912479.
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. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.Note: Search the VizieR catalogue II/224 for HD 225213.
Suárez Mascareño, A.; 외. (September 2015), “Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators”, 《Monthly Notices of the Royal Astronomical Society》 452 (3): 2745–2756, arXiv:1506.08039, Bibcode:2015MNRAS.452.2745S, doi:10.1093/mnras/stv1441.
Schröder, C.; Reiners, A.; Schmitt, J. H. M. M. (January 2009). “Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo”. 《Astronomy and Astrophysics》 493 (3): 1099–1107. Bibcode:2009A&A...493.1099S. doi:10.1051/0004-6361:200810377. CS1 관리 - 여러 이름 (링크)
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. Bibcode:1999A&AS..139..555G. doi:10.1051/aas:1999407.
Schmitt JHMM; Fleming TA; Giampapa MS (September 1995). “The X-ray view of the low-mass stars in the solar neighborhood”. 《Astrophys. J.》 450 (9): 392–400. Bibcode:1995ApJ...450..392S. doi:10.1086/176149.
Eggen, Olin J. (January 1996). “Distribution and Corrlation of Age, Abundance, and Motion of Lower Main Sequence Stars”. 《Astronomical Journal》 111: 466–475. Bibcode:1996AJ....111..466E. doi:10.1086/117797.
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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. Bibcode:2009A&A...505..859Z. doi:10.1051/0004-6361/200912479.
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. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.Note: Search the VizieR catalogue II/224 for HD 225213.
Suárez Mascareño, A.; 외. (September 2015), “Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators”, 《Monthly Notices of the Royal Astronomical Society》 452 (3): 2745–2756, arXiv:1506.08039, Bibcode:2015MNRAS.452.2745S, doi:10.1093/mnras/stv1441.
Schröder, C.; Reiners, A.; Schmitt, J. H. M. M. (January 2009). “Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo”. 《Astronomy and Astrophysics》 493 (3): 1099–1107. Bibcode:2009A&A...493.1099S. doi:10.1051/0004-6361:200810377. CS1 관리 - 여러 이름 (링크)
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. Bibcode:1999A&AS..139..555G. doi:10.1051/aas:1999407.
Schmitt JHMM; Fleming TA; Giampapa MS (September 1995). “The X-ray view of the low-mass stars in the solar neighborhood”. 《Astrophys. J.》 450 (9): 392–400. Bibcode:1995ApJ...450..392S. doi:10.1086/176149.
Leinert, C.; Henry, T.; Glindemann, A.; McCarthy, D. W., Jr. (September 1997). “A search for companions to nearby southern M dwarfs with near-infrared speckle interferometry”. 《Astronomy and Astrophysics》 325: 159–166. Bibcode:1997A&A...325..159L. CS1 관리 - 여러 이름 (링크)
Eggen, Olin J. (January 1996). “Distribution and Corrlation of Age, Abundance, and Motion of Lower Main Sequence Stars”. 《Astronomical Journal》 111: 466–475. Bibcode:1996AJ....111..466E. doi:10.1086/117797.
Allen, Christine; Santillan, Alfredo (October 1991). “An improved model of the galactic mass distribution for orbit computations”. 《Revista Mexicana de Astronomia y Astrofisica》 22: 255–263. Bibcode:1991RMxAA..22..255A.
Perryman; 외. (1997). “HIP 439”. 《The Hipparcos and Tycho Catalogues》. 2014년 10월 22일에 확인함.
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. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.Note: Search the VizieR catalogue II/224 for HD 225213.