Table 2: The final posterior values for each input and calculated parameter with 1 σ error bars, with units as in Table 1. Where possible, the observed values are obtained from B89 or (in the case of the disc mass to light ratio) BG97. 57 Parameter Best-fit value Observed value Scenario K Scenario E v$_{h}$ 2.47 ± 0 . 02 2.38 ± 0 . 02 a$_{h}$ 6.66 ± 0 . 49 8.69 ± 0 . 66 γ 1.22 ± 0 . 04 1.43 ± 0 . 03 M$_{e}$ 5.77 ± 0 . 83 3.12 ± 0 . 43 R$_{d}$ 0.71 ± 0 . 02 1.3 fixed 1 z$_{d}$ 0.14 ± 0 . 01 0.24 ± 0 . 02 < 0 . 2 R$_{d}$ n$_{b}$ 1.06 ± 0 . 07 1.93 ± 0 . 10 v$_{b}$ 0.43 ± 0 . 04 0.51 ± 0 . 03 r$_{b}$ 0.16 ± 0 . 02 0.35 ± 0 . 02 σ$_{0}$ 0.37 ± 0 . 03 0.34 ± 0 . 03 0.55 ± 0 . 10 ( M/L )$_{d}$ 1.86 ± 0 . 33 1.60 ± 0 . 2 1.41 ± factor of 2 ( M/L )$_{b}$ 0.87 ± 0 . 12 1.23 ± 0 . 11 R$_{σ}$ 2.57 ± 0 . 29 0.75 ± 0 . 05 1 R$_{h}$ 0.69 ± 0 . 11 α 0.90 ± 0 . 14 M$_{d}$ 3.19 ± 0 . 59 3.03 ± 0 . 39 M$_{b}$ 0.070 ± 0 . 014 0.15 ± 0 . 02 M$_{20}$ 61 ± 2 61 ± 2 Q 1.62 ± 0 . 24 0.69 ± 0 . 15 1.3 X 1.88 ± 0 . 46 2.84 ± 0 . 57