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Table 3.
Summary of the model parameters sampled in the hierarchical inference on the TDCOSMO sample in Sect. 5 and posteriors presented in Fig. 7.
| Name | Prior | Description |
|---|---|---|
| Cosmology (Flat ΛCDM) | ||
| H0 [km s−1 Mpc−1] | 𝒰([0, 150]) | Hubble constant |
| Ωm | 𝒰([0.05, 0.5]) or 𝒩(μ = 0.298, σ = 0.022) | Current normalized matter density |
| Mass profile | ||
| λint, 0 | 𝒰([0.5, 1.5]) | Internal MST population mean for reff/θE = 1 |
| αλ | 𝒰([−1, 1]) | Slope of λint with reff/θE of the deflector (Eq. (50)) |
| σ(λint) | 𝒰(log([0.001, 0.5])) | 1-σ Gaussian scatter in λint at fixed reff/θE |
| Stellar kinematics | ||
| ⟨aani⟩ | 𝒰(log([0.1, 5])) | Scaled anisotropy radius (Eqs. (51) and (52)) |
| σ(aani) | 𝒰(log([0.01, 1])) | σ(aani)⟨aani⟩ is the 1-σ Gaussian scatter in aani |
| Line of sight | ||
| κext | p(κext) of individual lenses (Fig. 6) | External convergence of lenses |
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