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Table 3

Comparison of different best fitting dynamical models including NFW haloes.

M/Lstars β c ρ s r s χ 2 χ2/d.o.f.
(M/L) (10-3 × M pc-3) (kpc) (M)

all data

3.15 0* 111.43 2.86
3.156 0.043 111.19 2.85
3.08 0* 5* 1.18249* 23.5 1.85 × 1011 100.4 2.71
3.06 0* 10* 6.08990* 9.0 8.31 × 1010 103.1 2.79
2.96 0.3* 5* 1.18249* 34.8 6.00 × 1011 89.6 2.39
2.91 0.3* 10* 6.08990* 13.3 2.68 × 1011 88.1 2.38
2.78 MŁ* 5* 1.18249* 42.8 1.12 × 1012 97.3 2.56
2.78 MŁ* 10 6.08990* 16.0 4.67 × 1011 92.8 2.44

No “bump”

3.13 0* 65.08 1.86
3.12 0.072 64.22 1.88
3.11 0* 5* 1.18249* 12.45 2.75 × 1010 64.46 1.89
3.13 0* 10* 6.08990* 1.875 7.51 × 108 65.21 1.91
2.98 0.3* 5* 1.18249* 27.7 3.03 × 1011 56.5 1.66
2.94 0.3* 10* 6.08990* 11.0 1.52 × 1011 55.5 1.63
2.80 MŁ* 5* 1.18249* 36.5 6.93 × 1011 67.5 1.98
2.74 MŁ* 10 6.08990* 14.2 3.27 × 1011 62.6 1.84

Notes. Quantities with an asterisk mean they have kept fixed during the minimisation process. The “no bump” panel refers to the quantities derived when the velocity dispersion values between 70′′ and 80′′ are removed. MŁ refers to the Mamon & Łokas (2005) anisotropy profile of Eq. (2).

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