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Table 5.
Summary of the model parameters sampled in the hierarchical inference on the TDCOSMO+SLACS sample.
| Name | Prior | Description |
|---|---|---|
| Cosmology (Flat ΛCDM) | ||
| H0 [km s−1 Mpc−1] | 𝒰([0, 150]) | Hubble constant |
| Ωm | 𝒩(μ = 0.298, σ = 0.022) | Current normalized 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 (Eq. (50)) |
| σ(λint) | 𝒰(log([0.001, 0.5])) | 1-σ Gaussian scatter in the internal MST |
| Normalization of IFU data | ||
| λifu | 𝒰([0.5, 1.5]) | Internal MST population constraint from IFU data |
| σ(λifu) | 𝒰(log([0.01, 0.5])) | 1-σ Gaussian scatter in λifu |
| Stellar kinematics | ||
| ⟨aani⟩ | 𝒰(log(aani)) for aani in [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 |
| σσP, sys | 𝒰(log([0.01, 0.5])) | Systematic uncertainty on  measurements (Eq. (57)) |
| Line of sight | ||
| κext | p(κext) of individual lenses (Figs. 6 and 9) | External convergence of lenses |
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