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Table 2

FWHM in pixels of sources in Fig. 4 estimated using 2D Gaussian fits of 4 isolated sources randomly chosen from the map.

Maps statistics
Maps (PL) (PLI) (ACI) (HCI) (NOC)

FWHM (pixels) 4.30 4.01 2.75 3.27 3.15
std (10-6 Jy) 4.84 14.3 19.2 20.3 8.3
total flux (Jy) 0.65 0.62 0.64 0.67 0.63

Notes. Standard deviation for each map in Fig. 4, estimated from the corners of the maps (~50 × 50 pixels area at each corner for a total of  ~10 000 pixels in each map). Total flux of NGC 6946 in Jy as estimated from the maps in Fig. 4.

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