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Table 14

Thermal energy per particle and energy densities of the magnetic field for regions of the spiral and magnetic arms of NGC 6946.

Spiral arm Ep ϵB Magnetic arm Ep ϵB

A 0.89 11.8 ± 7.1 B 1.45 8.3 ± 5.0
E 0.95 9.1 ± 5.5 C 1.33 7.6 ± 4.6
G 0.87 10.6 ± 6.4 F 1.28 8.8 ± 5.3
H 0.88 8.9 ± 5.3 I 1.20 8.2 ± 4.9

Notes. Ep energy per particle in 10-9 erg; ϵB magnetic energy density in 10-12 erg cm-3.

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