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Table 6:

Power-law relations and correlation coefficients $r_{\rm c}$ between the emission from dust and ionized gas.

X
Y R        $a_{\rm c}$       b n        $r_{\rm c}$ t
(10-7 erg s-1 cm-2 sr-1) (MJy/sr) ( $\hbox {$^\prime $ }$)          
$I_{{\rm H}\alpha}$ $I_{24~\mu{\rm m}}$ 0-30 -1.76 $\pm$ 0.05 0.94 $\pm$ 0.03 417 0.79 $\pm$ 0.03 27
    30-50 -1.75 $\pm$ 0.05 1.00 $\pm$ 0.03 677 0.75 $\pm$ 0.03 30
    0-50 -1.75 $\pm$ 0.05 0.98 $\pm$ 0.02 1094 0.76 $\pm$ 0.02 38
               
$I_{{\rm H}\alpha}$ $I_{70\mu{\rm m}}$ 0-30 -1.04 $\pm$ 0.03 1.10 $\pm$ 0.03 412 0.83 $\pm$ 0.03 30
    30-50 -0.96 $\pm$ 0.03 1.09 $\pm$ 0.03 677 0.78 $\pm$ 0.02 32
    0-50 -0.98 $\pm$ 0.02 1.09 $\pm$ 0.02 1089 0.79 $\pm$ 0.02 43
               
$I_{{\rm H}\alpha}$ $I_{160\mu{\rm m}}$ 0-30 0.26 $\pm$ 0.05 0.76 $\pm$ 0.03 417 0.54 $\pm$ 0.04 13
    30-50 0.47 $\pm$ 0.04 0.72 $\pm$ 0.02 678 0.73 $\pm$ 0.03 28

Notes. Ordinary least-squares fits of bisector log (Y) =  $a_{\rm c}+b$ log (X) through n pairs of (log X, log Y), where n is the number of independent points (Isobe et al. 1990); t is the student-t test.


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