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Table 4
Inner and outer radii used for exponential fitting for each sample galaxy.
| Galaxy | rin | rin | rin/r25 | rout(prof.) | rout | rout | rout/r25 |
| [′] | [kpc] | [′] | [kpc] | ||||
|
|
|||||||
| NGC 5457 (M 101) | 2.1 | 4.3 | 0.18 | 70 μm | 9.1 | 18.5 | 0.76 |
| NGC 3031 (M 81) | 5.1 | 5.5 | 0.47 | 70 μm | 9.3 | 10.0 | 0.85 |
| NGC 2403 | 4.1 | 4.2 | 0.41 | 12 μm | 8.5 | 8.7 | 0.85 |
| IC 342 | 2.1 | 1.9 | 0.21 | 70 μm | 9.9 | 8.9 | 0.99 |
| NGC 300 | 3.5 | 2.0 | 0.36 | 100 μm | 7.1 | 4.1 | 0.73 |
| NGC 5194 (M 51) | 2.1 | 4.8 | 0.30 | * | 3.9 | 8.9 | 0.56 |
| NGC 5236 (M 83) | 2.1 | 4.0 | 0.31 | 70 μm | 5.7 | 10.8 | 0.85 |
| NGC 1365 | 1.1 | 5.6 | 0.18 | 70 μm | 3.5 | 18.0 | 0.58 |
| NGC 5055 (M 63) | 0.9 | 2.1 | 0.15 | 70 μm | 4.7 | 11.3 | 0.80 |
| NGC 6946 | 1.1 | 1.8 | 0.19 | 12 μm | 3.1 | 5.1 | 0.54 |
| NGC 925 | 1.1 | 2.8 | 0.21 | 70 μm | 4.7 | 11.8 | 0.88 |
| NGC 1097 | 1.0 | 6.3 | 0.21 | 100 μm | 4.5 | 25.7 | 0.86 |
| NGC 7793 | 1.1 | 1.2 | 0.21 | 70 μm | 4.1 | 4.5 | 0.78 |
| NGC 628 (M 74) | 1.1 | 2.9 | 0.22 | 70 μm | 4.1 | 10.8 | 0.82 |
| NGC 3621 | 1.1 | 2.2 | 0.23 | 70 μm | 4.5 | 9.1 | 0.92 |
| NGC 4725 | 2.1 | 8.3 | 0.43 | 70 μm | 4.3 | 17.1 | 0.88 |
| NGC 3521 | 1.1 | 3.9 | 0.27 | 70 μm | 5.3 | 18.5 | 1.27 |
| NGC 4736 (M 94) | 0.9 | 1.4 | 0.23 | 70 μm | 3.3 | 5.0 | 0.85 |
|
|
|||||||
| Mean | 0.27 ± 0.09 | 0.82 ± 0.17 | |||||
Notes.* For NGC 5194 (M 51) the exponential fits stop at a radius of 3.́9, lower than rout(70 μm), because its interacting companion (NGC 5195) affects surface-brightness profiles at larger radii.
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