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Table 5

Radio-IR relations on pixel-by-pixel basis in N6946.

X Y b rc t n

RC(3.5) I70 1.49 ± 0.04 0.90 ± 0.02 53.0 662
I100 1.49 ± 0.03 0.92 ± 0.01 61.8 696
I160 1.20 ± 0.03 0.88 ± 0.01 55.0 883
I250 1.03 ± 0.03 0.89 ± 0.02 56.3 834
FF(3.5) I70 0.92(0.95) ± 0.02 0.90(0.88) ± 0.02 52.5 650
I100 0.88(0.91) ± 0.02 0.90(0.89) ± 0.02 53.8 682
I160 0.77(0.79) ± 0.01 0.88(0.88) ± 0.02 51.3 770
I250 0.67(0.69) ± 0.01 0.87(0.86) ± 0.02 48.2 750
SYN(3.5) I70 1.60(1.58) ± 0.04 0.80(0.82) ± 0.02 33.8 644
I100 1.59(1.57) ± 0.04 0.84(0.84) ± 0.02 40.2 677
I160 1.45(1.43) ± 0.03 0.86(0.87) ± 0.02 47.1 784
I250 1.18(1.17) ± 0.03 0.86(0.87) ± 0.02 46.4 761

RC(20) I70 1.52 ± 0.03 0.87 ± 0.02 45.4 664
I100 1.48 ± 0.02 0.90 ± 0.02 54.4 697
I160 1.16 ± 0.02 0.92 ± 0.01 70.1 911
I250 1.02 ± 0.01 0.92 ± 0.01 68.3 850
FF(20) I70 0.92 ± 0.02 0.90 ± 0.02 50.3 656
I100 0.87 ± 0.02 0.90 ± 0.02 52.5 688
I160 0.79 ± 0.01 0.88 ± 0.02 52.3 800
I250 0.68 ± 0.01 0.87 ± 0.02 49.3 793
SYN(20) I70 1.53 ± 0.03 0.83 ± 0.02 38.2 661
I100 1.48 ± 0.03 0.87 ± 0.02 65.8 695
I160 1.19 ± 0.02 0.91 ± 0.01 65.7 900
I250 1.04 ± 0.02 0.90 ± 0.01 60.0 846

Notes.Pearson correlation coefficients rc and bisector slopes b, log (Y) ∝ blog    (X), between the total RC, free-free (FF), synchrotron (SYN) from the TRT method and the far-infrared PACS and SPIRE bands. The values in parenthesis show the corresponding correlations when the observed Hα emission is directly used as the free-free tracer. Ordinary least-squares fits of bisector log (Y) ~ blog    (X) are given through n pairs of (log X, log Y), where n is the number of independent points (Isobe et al. 1990); t is the Student’s t-test.

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