The dark matter halo masses of elliptical galaxies as a function of observationally robust quantities

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Table 3.

Parameters describing the distribution in colour as a function of redshift, L_r, 10 and Γ₁₀.

Parameter	Prior	Med. ± 1σ	Description
μ_C, 0	U(1, 3)	1.751 ± 0.001	Mean u − g colour at z = 0.3, log L_r, 10 = 10.9 and average size.
ζ_C	U(−10, 10)	−0.418 ± 0.017	Linear scaling of the average colour with redshift.
β_C	U(−3, 3)	0.005 ± 0.010	Linear scaling of the average colour with log L_r, 10.
ξ_C	U(−10, 10)	0.009 ± 0.010	Linear scaling of the average colour with Γ₁₀.
σ_C	U(0, 1)	0.053 ± 0.001	Intrinsic scatter in colour at fixed redshift, L_r, 10 and Γ₁₀.

Notes. The parameters are introduced in Eqs. (28) and (29). Column (2): priors on the parameters. Column (3): median and 68% credible region of the marginal posterior probability distribution of each parameter given the data.

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