Table 4
Exponential radial scale lengths L [kpc] of surface brightness at λ 6.2 cm and magnetic field strength.
| R = 0−16 kpc | R = 16−24k˙pc | R = 16−30 kpc | |
|
|
|||
| I | 11.5 ± 1.0 | 4.7 ± 0.5 | 5.2 ± 0.3 |
| NTH | 13.0 ± 1.4 | 5.1 ± 0.7 | – |
| + 0.2−0.5 | + 0.2−0.2 | – | |
| PI | – | 5.1 ± 0.2 | 4.7 ± 0.3 |
| TH | 10.2 ± 1.0 | 4.7 ± 0.8 | – |
| + 0.1−0.3 | + 0.4−0.1 | – | |
| B tot | 45.5 ± 3.6 | 19.8 ± 2.9 | – |
| + 2.3−3.3 | + 2.0−1.5 | – | |
| B ran | 33.9 ± 1.9 | 19.5 ± 3.6 | – |
| −1.2 + 0.2 | + 2.8−1.8 | – | |
| B ord | – | 21.1 ± 0.8 | – |
| – | −1.7 + 0.6 | – | |
Notes. Errors are statistical errors. The numbers immediately below NTH,TH, and the field strengths are systematic errors in case αn = 1.02 (first one) or 0.82 (second one), respectively. The ratio between the scale lengths of Btot and NTH at R = 16−24 kpc is (3 + αn), which is expected if pn is constant. Because pn increases at R = 0−16 kpc, the ratio between the scale lengths of Btot and NTH is less than (3 + αn).
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