Impact of assembly bias on clustering plus weak lensing cosmological analysis

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Volume 690 (October 2024)

A&A, 690 (2024) A221

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Table 2

Posterior and best-fit results for the ELG HOD.

Method	sHOD1	eHOD
A_s [0.002,0.02]	${0.017}_{- 0.005}^{+ 0.006} (0.015)$ $0.017_{ - 0.005}^{ + 0.006}(0.015)$	${0.017}_{- 0.005}^{+ 0.006} (0.015)$ $0.017_{ - 0.005}^{ + 0.006}(0.015)$
M_min [11.5,12.5]	${12.19}_{- 0.12}^{+ 0.10} (12.28)$ $12.19_{ - 0.12}^{ + 0.10}(12.28)$	${12.11}_{- 0.19}^{+ 0.17} (12.21)$ $12.11_{ - 0.19}^{ + 0.17}(12.21)$
σ [0.1,1.2]	${0.52}_{- 0.23}^{+ 0.23} (0.41)$ $0.52_{ - 0.23}^{ + 0.23}(0.41)$	${0.42}_{- 0.23}^{+ 0.22} (0.28)$ $0.42_{ - 0.23}^{ + 0.22}(0.28)$
A_cent [−0.5,0.5]		$- {0.01}_{- 0.22}^{+ 0.19} (- 0.08)$ $- 0.01_{ - 0.22}^{ + 0.19}( - 0.08)$
B_cent [−0.5,0.5]		$- {0.09}_{- 0.19}^{+ 0.11} (- 0.04)$ $- 0.09_{ - 0.19}^{ + 0.11}( - 0.04)$
A_sat [−0.5,0.5]		$- {0.04}_{- 0.18}^{+ 0.19} (0.02)$ $- 0.04_{ - 0.18}^{ + 0.19}(0.02)$
B_cent [−0.5,0.5]		$- {0.04}_{- 0.12}^{+ 0.20} (- 0.08)$ $- 0.04_{ - 0.12}^{ + 0.20}( - 0.08)$

A_c [0.01]	${0.034}_{- 0.011}^{+ 0.012} (0.047)$ $0.034_{ - 0.011}^{ + 0.012}(0.047)$	${0.028}_{- 0.012}^{+ 0.017} (0.038)$ $0.028_{ - 0.012}^{ + 0.017}(0.038)$
f_sat%	10.4	13.3
$χ_{r}^{2}$ $\chi _r^2$	1.13(1.22)	1.40

Notes. We show here the 16, 50, and 84 percentiles of the posterior distribution. The first column presents the prior ranges for each parameter. The two other columns show the 16, 50, and 84 percentiles of the posterior distributions, with the best-fit values in parenthesis defined as the minimum of the χ² of the MCMC chains for both sHOD and eHOD models. The initial value of A_c is fixed to 0.01, meaning that A_s is allowed to vary in the range [0.2,20]A_c. Other columns present the rescaled values of A_c and A_s in order to match the ELGs number density. For the sHOD1, we show in parentheses the reduced chi-square including ΔΣ.

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