Benedict; G. Fritz; Chappell, D. W.; Nelan, E.; Jefferys, W. H.; Van Altena, W.; Lee, J.; Cornell, D.; et al. (1999). ”Interferometric Astrometry of Proxima Centauri and Barnard's Star Using HUBBLE SPACE TELESCOPE Fine Guidance Sensor 3: Detection Limits for Substellar Companions”. The Astronomical Journal 118 (2): sid. 1086–1100. doi:10.1086/300975. Bibcode: 1999astro.ph..5318B.
Saar, Steven H.; Donahue, Robert A. (1997). ”Activity-related Radial Velocity Variation in Cool Stars”. Astrophysical Journal 485 (1): sid. 319–326. doi:10.1086/304392. Bibcode: 1997ApJ...485..319S.
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Glass, I. S. (July 2007). ”The Discovery of the Nearest Star”. African Skies 11: sid. 39. Bibcode: 2007AfrSk..11...39G.
Benedict; G. Fritz; Chappell, D. W.; Nelan, E.; Jefferys, W. H.; Van Altena, W.; Lee, J.; Cornell, D.; et al. (1999). ”Interferometric Astrometry of Proxima Centauri and Barnard's Star Using HUBBLE SPACE TELESCOPE Fine Guidance Sensor 3: Detection Limits for Substellar Companions”. The Astronomical Journal 118 (2): sid. 1086–1100. doi:10.1086/300975. Bibcode: 1999astro.ph..5318B.
Kürster, M.; Hatzes, A. P.; Cochran, W. D.; Döbereiner, S.; Dennerl, K.; Endl, M. (1999). ”Precise radial velocities of Proxima Centauri. Strong constraints on a substellar companion”. Astronomy & Astrophysics Letters 344: sid. L5–L8. Bibcode: 1999A&A...344L...5K.
Saar, Steven H.; Donahue, Robert A. (1997). ”Activity-related Radial Velocity Variation in Cool Stars”. Astrophysical Journal 485 (1): sid. 319–326. doi:10.1086/304392. Bibcode: 1997ApJ...485..319S.