Table 12
Kolmogorov-Smirnov (K-S) and Wilcoxon (W) statistical tests for the Spitzer dust subtypes DC (DCcr vs. DCam+cr), CC (CCar vs. CCal), and OC (OCcr vs. OCam, OCcr vs. OCam+cr, and OCam vs. OCam+cr) in disc and bulge PNe.
| Disc + bulge | Disc + bulge | Disc + bulge | ||||||
| DC subtypes | CC subtypes | OC subtypes | ||||||
| Parameter/element | DCcr vs. DCam+cr | CCar vs. CCal | OCcr vs. OCam | OCcr vs. OCam+cr | OCam vs. OCam+cr | |||
| K-S/W | K-S/W | K-S/W | K-S/W | K-S/W | ||||
| log Ne | 0.05/0.03 | 0.05/0.07 | 0.56/0.65 | 0.08/0.12 | 0.25/0.40 | |||
| log Te (O III) | 0.22/0.46 | 0.21/0.56 | 0.19/0.83 | 0.05/0.03 | ||||
| log Te (N II) | 0.22/0.09 | 0.97/0.76 | 0.23/0.11 | 0.08/0.05 | 0.33/0.32 | |||
| O++/(O++O++) | 0.31/0.07 | 0.33/0.22 | 0.10/0.14 | 0.95/0.93 | 0.24/0.21 | |||
| He++/(He++He++) | 0.00/0.00 | 0.71/0.10 | 0.63/0.02 | 0.09/– | 0.14/0.00 | |||
| log ϵ(He) | 0.46/0.18 | 0.04/0.08 | 0.02/0.24 | 0.09/0.29 | 0.06/0.05 | |||
| log ϵ(O) | 0.96/0.97 | 0.08/0.06 | 0.36/0.46 | 0.70/0.93 | 0.24/0.19 | |||
| log ϵ(Ar) | 0.03/0.05 | 0.05/0.06 | 0.00/0.01 | 0.01/0.02 | 0.15/0.08 | |||
| log ϵ(Ne) | 0.30/0.20 | 0.19/0.30 | 0.32/0.26 | 1.00/0.93 | ||||
| log ϵ(S) | 0.38/0.29 | 0.02/0.03 | 0.07/0.10 | 0.52/0.40 | 0.19/0.14 | |||
| log ϵ(N) | 0.05/0.16 | 0.07/0.02 | 0.22/0.42 | 0.34/0.35 | 0.96/0.83 | |||
| log ϵ(Cl) | 0.38/0.78 | |||||||
| log (S/O) | 0.33/0.52 | 0.07/0.03 | 0.86/1.00 | 0.52/0.56 | 0.44/1.00 | |||
| log (Ne/O) | 0.49/0.24 | 1.00/0.85 | 0.32/0.26 | 0.19/0.11 | ||||
| log (Ar/O) | 0.71/0.57 | 0.05/0.10 | 0.04/0.01 | 0.01/0.00 | 0.48/0.52 | |||
| log (Cl/O) | 0.19/0.57 | |||||||
| log (N/O) | 0.25/0.12 | 0.05/0.02 | 0.72/0.62 | 0.34/0.25 | 0.75/0.27 | |||
| log (N/Ar) | 0.94/0.49 | 0.23/0.11 | 0.83/0.42 | 0.96/0.89 | 0.56/0.57 | |||
| log (N/Ne) | 0.26/0.17 | 0.97/1.00 | 0.81/0.75 | 0.47/0.48 | ||||
| log (N/S) | 0.99/0.95 | 0.94/0.75 | 0.09/0.09 | 0.08/0.02 | 0.47/0.31 | |||
| log (N/Cl) | 0.93/0.71 | |||||||
| log (Ne/Ar) | 0.19/0.19 | 0.19/0.16 | 1.00/0.75 | 0.67/0.40 | ||||
| log (S/Ne) | 0.30/0.13 | 0.74/0.88 | 0.32/0.15 | 0.11/0.06 | ||||
| log (S/Ar) | 0.95/0.77 | 0.35/0.14 | 0.07/0.03 | 0.01/0.02 | 0.91/0.76 | |||
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