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zdb-katalog.de
I. Ribas, M. Tuomi, A. Reiners, R. P. Butler, J. C. Morales: A candidate super-Earth planet orbiting near the snow line of Barnard’s star. In: Nature. Band563, Nr.7731, November 2018, ISSN0028-0836, S.365–368, doi:10.1038/s41586-018-0677-y (nature.com [abgerufen am 14. November 2018]).
Jack Lubin, Paul Robertson, Gudmundur Stefansson, Joe Ninan, Suvrath Mahadevan, Michael Endl, Eric Ford, Jason T. Wright, Corey Beard, Chad Bender, William D. Cochran, Scott A. Diddams, Connor Fredrick, Samuel Halverson, Shubham Kanodia, Andrew J. Metcalf, Lawrence Ramsey, Arpita Roy, Christian Schwab, Ryan Terrien: Stellar Activity Manifesting at a One-year Alias Explains Barnard b as a False Positive. In: The Astronomical Journal. 162. Jahrgang, Nr.2. American Astronomical Society, 15. Juli 2021, ISSN0004-6256, S.61, doi:10.3847/1538-3881/ac0057, arxiv:2105.07005, bibcode:2021AJ....162...61L.