^ abcMéndez, Abel; González-Espada, Wilson (2016-04-01), Searching for Habitable Worlds: An Introduction, Morgan & Claypool Publishers, p. 5-5, ISBN9781681744018
^Hawley, Suzanne L.; Gizis, John E.; Reid, I. Neill (1996-12), “The Palomar/MSU Nearby Star Spectroscopic Survey. II. The Southern M Dwarfs and Investigation of Magnetic Activity”, Astronomical Journal112: 2799-2827, Bibcode: 1996AJ....112.2799H, doi:10.1086/118222
^Neves, V.; et al. (2014-08), “Metallicity of M dwarfs. IV. A high-precision [Fe/H] and Teff technique from high-resolution optical spectra for M dwarfs”, Astronomy & Astrophysics568: A121, Bibcode: 2014A&A...568A.121N, doi:10.1051/0004-6361/201424139
^Feng, Fabo; Butler, R. Paul; Shectman, Stephen A.; Crane, Jeffrey D.; Vogt, Steve; Chambers, John; Jones, Hugh R. A.; Wang, Sharon Xuesong et al. (8 January 2020). “Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs”. The Astrophysical Journal Supplement Series246 (1): 11. arXiv:2001.02577. Bibcode: 2020ApJS..246...11F. doi:10.3847/1538-4365/ab5e7c.