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Table 2

Radio continuum observational parameters of NGC 628.

JVLA Effelsberg

Frequency (GHz) 2–4 2.6 and 8.35
Bandwidth (MHz) 2000 (of which 1000 are useful) 80 and 1100
No. of spectral windows 16
Total no. of channels 1024 8 and 1
Array configuration D; C
Pointings 7
Observing dates March & July 2013, respectively October 2011

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