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Fig. 11

Power ratio 𝔈(l) according to Eq. (8). The ON velocity is vLSR = 3 km s−1; OFF is calculated as the average of single-channel slices at vLSR = −3 and 7 km s−1. The spectral index for the total HI is calculated for l > 10; in the case ofthe CNM for 10 < l < 100, the horizontal lines indicate these limits.
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