Fig. 22
Value of χ2 achieved for the ring + inner disk models, normalized by the value for the Ellipsoid model; similar to Fig. 12. The χ2 achieved by the ring + inner disk model is, in some cases, worse than for the Ellipsoid model; this is because in contrast with the results shown in Fig. 12, the more complex model does not comprise the simpler one as a subset.
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