Table D.1.

Sets of priors used in our analysis. The orbital parameters priors come from GRAVITY Collaboration (2020). In particular, for each parameter, we adopted a uniform prior over an interval that is 15 times larger than the corresponding 1σ confidence interval reported in the table (corresponding to the range [μ − 15σ, μ + 15σ] for each parameter). Finally, for the parameter of interest, m_a, we have adopted a uniform prior over the interval 10⁻²³ ÷ 10⁻¹⁷ eV that we have sampled logarithmically.