Fig. 22.
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Dark matter fraction within five effective radii fDM(5 Re) for NGC 1277 (star) with the 95.4% confidence interval indicated by a vertical line. The black line indicates the predicted M⋆ − fDM(5 Re) relation based on the dark matter haloes profiles and Re values derived as in Fig. 21. The grey shades indicate the 68.3% (darker) and 95.4% (lighter) confidence intervals of the relation calculated using a Montecarlo simulation. A de Vaucouleurs (1948) profile was assumed for the stellar density profile of the galaxies.
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