The DESI One-Percent Survey: Modelling the clustering and halo occupation of all four DESI tracers with UCHUU

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Table 5.

HOD parameters and bias factors of the LRG samples with different stellar mass thresholds.

log M_★	N_eff	V_eff	$log n_{g}^{LRG}$ $\log n_{\mathrm {g}}^{\mathrm {LRG}}$	$log n_{g}^{Uchuu}$ $\log n_{\mathrm {g}}^{\mathrm {Uchuu}}$	log M_min	σ_{log M}	log M₀	$log M_{1}^{'}$ $\log {M^{\prime }_{1}}$	α	$f_{sat}^{HOD}$ $f_{\mathrm {sat}}^{\mathrm {HOD}}$	$f_{sat}^{Uchuu}$ $f_{\mathrm {sat}}^{\mathrm {Uchuu}}$	b^LRG	b^Uchuu
All	67 466	91.50	–3.286	–3.286 ± 0.001	13.04	0.53	11.95	14.08	1.03	0.117	0.119	1.89 ± 0.05	1.847 ± 0.005
10.8	66 079	90.89	–3.294	–3.295 ± 0.001	13.03	0.51	12.19	14.09	1.04	0.113	0.117	1.91 ± 0.05	1.857 ± 0.005
11.0	58 609	87.19	–3.344	–3.347 ± 0.001	13.04	0.44	12.36	14.15	1.07	0.103	0.111	1.96 ± 0.05	1.900 ± 0.005
11.2	37 516	71.77	–3.533	–3.541 ± 0.002	13.14	0.37	12.47	14.29	1.17	0.085	0.095	2.06 ± 0.06	2.032 ± 0.006
11.3	22 006	51.40	–3.784	–3.772 ± 0.003	13.29	0.36	12.72	14.41	1.21	0.076	0.081	2.15 ± 0.07	2.189 ± 0.007
11.4	11 069	27.49	–4.100	–4.071 ± 0.004	13.51	0.36	12.75	14.59	1.30	0.062	0.066	2.35 ± 0.08	2.429 ± 0.008

Notes. The first column show the stellar mass (in M_⊙ units) threshold used in each sample. The remaining columns are the same as described in Table 4. We provide the HOD model parameters (and 1σ errors) fitted to its mean halo occupancy, shown in the right panel of Figure 14. The last two columns present the bias factors measured from DESI and UCHUU at the median redshift, z = 0.65, of the samples, as shown in Figure 16.

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