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Table 4
Bosma effect fits.
| Name | Outer  Ratio |
“Simple” | “Classic” | |||||||||
| f HI | flat over | R > | f HI | χ ν 2 | f HI | f disc | χ ν 2 | f HvAS | M dDM |
|
h dDM | |
|
|
||||||||||||
| DDO 154 | 4.1±0.1 | 0 | 101% | 6.2±0.1 | 1.7 | 5.4±0.1 | 11.2±1.4 | 0.6 | 8 | 0.26±0.01 | 18% | 2.4 |
| IC 2574 | 1.7±0.1 | 5.2 | 56% | 4.0±0.1 | 4.0 | 2.9±0.1 | 3.3±0.2 | 1.6 | 8 | 2.6±0.1 | 34% | 3.7 |
| NGC 925 | 2.6±0.2 | 10.6 | 19% | 6.2±0.1 | 4.6 | 4.9±0.2 | 1.40±0.05 | 3.9 | 3.1±0.1 | 37% | 9.2 | |
| NGC 2366 | 2.1±0.1 | 0 | 101% | 4.1±0.1 | 3.0 | 2.7±0.3 | 6.2±0.9 | 0.4 | 0.33±0.03 | 30% | 2.6 | |
| NGC 2403 | 10.9±0.1 | 6.6 | 63% | 13.4±0.1 | 12.2 | 11.0±0.1 | 3.04±0.04 | 1.8 | 10 | 4.96±0.03 | 15% | 4.7 |
| NGC 2841 | 35.9±0.6 | 22.6 | 56% | 50.7±0.5 | 184.4 | 28.0±0.4 | 3.04±0.02 | 2.7 | 23 | 76.2±0.8 | 15% | 13.1 |
| NGC 2903 | 19.4±0.3 | 14.8 | 50% | 28.1±0.2 | 72.5 | 15.2±0.2 | 5.93±0.08 | 4.6 | 37 | 19.5±0.2 | 10% | 5.9 |
| NGC 2976 | 5.6±0.5 | 1.2 | 51% | 8.0±0.4 | 2.7 | 5.2±0.6 | 1.24±0.04 | 1.8 | 0.22±0.01 | 63% | 0.9 | |
| NGC 3031 | 7.4±0.4 | 10.5 | 29% | 8.7±0.3 | 75.2 | 4.1±0.3 | 1.69±0.02 | 4.4 | 10.0±0.1 | 62% | 3.6 | |
| NGC 3198 | 5.2±0.1 | 24 | 37% | 8.5±0.1 | 19.7 | 6.0±0.1 | 2.13±0.03 | 2.1 | 16.9±0.2 | 25% | 10.1 | |
| NGC 3521 | 7.2±0.5 | 6.3 | 80% | 9.7±0.4 | 8.8 | 7.1±0.4 | 1.22±0.02 | 6.1 | 19.8±0.5 | 50% | 5.8 | |
| NGC 3621 | 5.1±0.1 | 15 | 38% | 8.3±0.1 | 19.6 | 6.8±0.1 | 1.74±0.02 | 4.2 | 11.2±0.1 | 24% | 6.1 | |
| NGC 4736 | 14.8±1.0 | 5.9 | 40% | 19.9±0.6 | 2.9 | 3.0±1.7 | 1.53±0.05 | 1.7 | 3.6±0.9 | 61% | 2.0 | |
| NGC 5055 | 12.0±0.3 | 19 | 61% | 12.5±0.2 | 3.1 | 12.9±0.2 | 0.97±0.02 | 3.1 | 26.4±0.3 | 41% | 11.6 | |
| NGC 6946 | 12.8±0.2 | 5.7 | 71% | 15.1±0.1 | 5.5 | 9.9±0.2 | 1.40±0.02 | 1.3 | 5 | 11.2±0.1 | 45% | 4.9 |
| NGC 7331 | 5.7±0.2 | 19 | 24% | 8.5±0.2 | 4.0 | 6.2±0.2 | 1.27±0.02 | 1.0 | 8 | 24.8±0.4 | 59% | 5.9 |
| NGC 7793 | 8.4±0.3 | 4.6 | 42% | 12.8±0.2 | 26.5 | 8.9±0.2 | 2.42±0.04 | 2.4 | 11.1±0.2 | 13% | 2.2 | |
Notes. Radii in kpc, masses in units of 1010 M⊙, fHvAS are fHI from HvAS.
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