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Table 3.
Summary of the parameters and priors for the baseline hierarchical model.
| Parameters | Prior | Description |
|---|---|---|
| Cosmology (flat ΛCDM) | ||
| H0 [ km s−1 Mpc−1] | 𝒰 (0, 150) | Hubble constant |
| Ωm | 𝒰 (0.05, 0.5) | Matter density |
| Mass profile | ||
| λint, 0 | 𝒰 (0.5, 1.5) | Internal MST population mean |
| αλ | 𝒰 (−1, 1) | Slope of λint with Reff/θE of the deflector |
| σ(λint) | Loguniform (0.001, 0.5) | 1σ Gaussian scatter in the internal MST |
| γpl, i | 𝒰 (1.5, 2.5) | Individual power-law slope of the IFU lenses |
| γpl, rxj | p (γpl, rxj) | Lens model-only prior on the power-law slope for RX J1131−1231 |
| Stellar kinematics | ||
| ⟨σt/σr⟩ | 𝒰 (0.87, 1.12) | Mean anisotropy parameter for a spatially constant anisotropy |
| σ(σt/σr) | Loguniform (0.01, 1) | 1σ Gaussian scatter in σt/σr |
| LoS | ||
| κext | p (κext) of individual lenses | External convergence of lenses |
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