Table 1: Table of the input parameters for the MCMC chains, as well as calculated quantities that are output for each model. 56 Parameter Units Description r$_{h}$ kpc Halo truncation radius v$_{h}$ 100 km s − 1 Halo characteristic velocity a$_{h}$ kpc Halo characteristic radius δ kpc Halo truncation width γ Dimensionless Cusp value M$_{e}$ 10 $^{9}$M ⊙ Exponential disc mass R$_{d}$ kpc Photometric disc scale length z$_{d}$ kpc Disc scale height n$_{b}$ Dimensionless S´ersic index v$_{b}$ 100 km s − 1 Bulge characteristic velocity r$_{b}$ kpc Bulge characteristic radius σ$_{0}$ 100 km s − 1 Central velocity dispersion b$_{rot}$ Dimensionless Bulge rotation parameter ( M/L )$_{d}$ M ⊙ /L ⊙ Disc mass to light ratio ( M/L )$_{b}$ M ⊙ /L ⊙ Bulge mass to light ratio R$_{σ}$ kpc Radial dispersion disc scale length R$_{h}$ kpc Kormendy cutoff radius α Dimensionless Kormendy cutoff index Calculated Quantities M$_{d}$ 10 $^{9}$M ⊙ Real disc mass M$_{b}$ 10 $^{9}$M ⊙ Model bulge mass M$_{20}$ 10 $^{9}$M ⊙ Model halo mass within 20 kpc Q Dimensionless Toomre local stability parameter X Dimensionless Toomre global stability parameter