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Fig. 4

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Here we show the contours of goodness of fit, χ2/n for the 2D parameter space defined by the mass-to-light ratios of the bulge and disk (x and y axes respectively) found by fitting the rotation curve of NGC 7814. The filled contours are found using our parameterisation of the bulge and disk and the plain contours are using FSK11’s parameterisation. Both sets of contours use the same levels and both use the simple ν function of QUMOND. The central contour has a value χ2/n = 0.35 and the subsequent contours are 0.45, 0.8, 2 and 4.

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