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Table 3.

Goodness-of-fit statistics for the spectral models fit to the Chandra and the XMM-Newton observations of ESO 338-4.

ESO 338-4 C-statistic d.o.f. pnull

Chandra
ULX1 222 207 0.318
ULX2 218 265 0.962
ULX3 79 72 0.083
ULX4 43 38 0.448
ULX5 46 46 0.679

XMM-Newton

Central region 525 422 0.002
Halo region 232 213 0.209

Notes. For each region, we report the C-statistic, the number of degrees of freedom (d.o.f.), and the null-hypothesis probability (pnull).

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