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Table 6.

Flux densities used as data points for the fit.

Map Frequency (GHz) Central region (Jy) 10 kpc ring (Jy) North ring (Jy) South ring (Jy)
VLA+EFF21 1.46 0.252 ± 0.020 3.47 ± 0.17 1.858 ± 0.093 1.526 ± 0.077
EFF11 2.7 0.184 ± 0.010 2.04 ± 0.10 1.130 ± 0.057 0.861 ± 0.043
EFF6 4.85 0.113 ± 0.006 1.20 ± 0.06 0.671 ± 0.034 0.506 ± 0.025
SRT 6.6 0.087 ± 0.005 0.90 ± 0.05 0.493 ± 0.025 0.388 ± 0.020

Notes. The flux density uncertainties are a combination of statistical and calibration errors.

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