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G. Fritz Benedict, Barbara E. McArthur: A Moving Target—Revising the Mass of Proxima Centauri c. In: Research Notes of the AAS. Band4, Nr.6, Juni 2020, S.86, doi:10.3847/2515-5172/ab9ca9, bibcode:2020RNAAS...4...86B.
Mario Damasso u. a.: A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU. In: Science Advances. Band6, Nr.3, 1. Januar 2020, S.eaax7467, doi:10.1126/sciadv.aax7467, bibcode:2020SciA....6.7467D.