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Table 8.

Total SFR values found from the radio–free-free map by integrating in the annular regions shown in Fig. 23.

Ring n. Inner major semi axis
Outer major semi axis
SFRradio − ff
(arcmin) (kpc) (arcmin) (kpc) 10−3 (M yr−1 kpc−2)
2 10 2.3 20 4.5 0.56 ± 0.03
3 20 4.5 30 6.8 0.38 ± 0.02
4 30 6.8 40 9.1 0.86 ± 0.04
5 40 9.1 50 11.3 1.75 ± 0.09
6 50 11.3 60 13.6 1.16 ± 0.06
7 60 13.6 65 14.7 0.44 ± 0.02

Notes. The ring number follows the same numbering as that used in Table 5.

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