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Table 2

Images of NGC 6946 used in this study.

Wavelength Resolution rms noise Telescope

20 cm 15″ 23 μJy/beam VLA+Effelsberg1
3.5 cm 15″ 50 μJy/beam VLA+Effelsberg2
250 μm 18″ 0.7 MJy sr-1 Herschel-SPIRE3
160 μm 12″ 2.2 MJy sr-1 Herschel-PACS3
100 μm 8″ 5 MJy sr-1 Herschel-PACS3
70 μm 6″ 5 MJy sr-1 Herschel-PACS3
6563Å (Hα) 1.5″ 0.06 μerg  s-1 cm-2 sr-1 KPNO4
HI-21 cm 6″ 1.4 Jy/beam m s-1 VLA5
CO(2–1) 13″ 0.06 K km s-1 IRAM-30 m6

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