The 100-m telescope at Effelsberg is operated by the Max-Planck-Institut für Radioastronomie (MPIfR) on behalf on the Max-Planck-Gesellscahft.

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The VLA is a facility of the National Radio Astronomy Observatory. The NRAO is operated by Associated Universities, Inc., under contract with the National Science Foundation.

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... scale

To have both physically meaningful results and a sufficiently large number of independent points, the scale a varies between a minimum of about twice the resolution and a maximum of about half of the image size, $a < 1100\hbox{$^{\prime\prime}$ }$ , for all images studied in this paper.

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... $HPBW=84\hbox{$^{\prime\prime}$ }$ )

Gaussian PSFs with $FWHM=51\hbox{$^{\prime\prime}$ }$ and $84\hbox {$^{\prime \prime }$ }$ are considered to convolve the IR maps to the angular resolutions of the 20 and 3.6 cm radio maps, respectively.

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