Notes. ^(†) Indicates that the M_p value corresponds to M_p sin(i). The quoted values for Barnard b are obtained from the discovery paper (Ribas et al. 2018) and the Extrasolar Planets Encyclopaedia. For Proxima c, the planetary parameters are obtained from the discovery paper (Damasso et al. 2020a) and the Extrasolar Planets Encyclopaedia, while the stellar parameters are obtained from Suárez Mascareño et al. (2020). Additional estimates for the inclination of Proxima c have been proposed by Benedict & McArthur (2020) and Kervella et al. (2020), who also suggested practically zero eccentricity. The implications of these findings are discussed in the text.