Table 1.
Fit parameters from the orthogonal distance regression for the relations between various parameters for all four simulations.
| Magneticum | Hydrangea | Horizon-AGN | TNG100 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | A | B | A | B | A | B | |||||
| zform = A ⋅ f + B | 2.90 ± 0.04 | −1.14 ± 0.03 | 3.00 ± 0.12 | −0.78 ± 0.06 | 3.80 ± 0.24 | −1.23 ± 0.11 | 2.72 ± 0.19 | −0.66 ± 0.10 | ||||
| zform = A ⋅ sgas + B | −8.32 ± 0.06 | 1.26 ± 0.01 | −9.76 ± 0.23 | 1.22 ± 0.02 | −10.19 ± 0.28 | 1.05 ± 0.02 | −4.47 ± 0.39 | 1.17 ± 0.05 | ||||
| zform = A ⋅ fsub + B | −15.7 ± 0.1 | 1.7 ± 0.1 | −10.9 ± 0.2 | 1.7 ± 0.1 | −8.5 ± 0.5 | 1.4 ± 0.1 | −13.1 ± 0.3 | 1.8 ± 0.1 | ||||
| f = A ⋅ log10(M12) + B | 0.35 ± 0.02 | 0.37 ± 0.02 | 0.40 ± 0.12 | 0.26 ± 0.08 | 0.37 ± 0.16 | 0.19 ± 0.13 | 0.38 ± 0.15 | 0.27 ± 0.11 | ||||
| f = A ⋅ log10(M14) + B | 0.44 ± 0.02 | 0.12 ± 0.02 | 0.47 ± 0.11 | 0.04 ± 0.11 | 0.45 ± 0.15 | 0.04 ± 0.14 | 0.50 ± 0.18 | 0.01 ± 0.19 | ||||
| f = A ⋅ log10(sstars) + B | −0.40 ± 0.03 | 0.17 ± 0.04 | −0.38 ± 0.18 | 0.02 ± 0.23 | −0.24 ± 0.23 | 0.19 ± 0.26 | −0.38 ± 0.31 | 0.10 ± 0.35 | ||||
| f = A ⋅ log10(ϕbcg) + B | 0.9 ± 0.1 | −8.5 ± 0.9 | 1.7 ± 1.0 | −17.3 ± 9.7 | 0.5 ± 0.3 | −4.8 ± 3.1 | 1.5 ± 0.6 | −15.4 ± 6.5 | ||||
Notes. We denote here f = fICL + BCG, and find the 1-σ error in predicting zform from fICL + BCG to lie between ±0.16 and ±0.28, increasing with the sample size and considered mass range of the simulation.
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