Investigating the galaxy–halo connection of DESI emission-line galaxies with SHAMe-SF

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Table A.1.

Comparison between the measured and inferred (SHAMe-SF) galaxy–(halo) connection for DESI-TNG and DESI-SAM.

Property	DESI-TNG	SHAMe-SF	DESI-SAM	SHAMe-SF
Satellite fractions (subhaloes)
`FoF`+`SUBFIND` definition	36.9%	$30 . 7_{- 3.4}^{+ 10.5}$ $30.7^{+10.5}_{-3.4}$ %	14.5%	$11 . 2_{- 2.2}^{+ 2.3}$ $11.2^{+2.3}_{-2.2}$ %
Satellites only when r < r_200c	25.7%	$24 . 2_{- 0.3}^{+ 3.6}$ $24.2^{+3.6}_{-0.3}$ %	3.8%	$4 . 4_{- 1.1}^{+ 1.2}$ $4.4^{+1.2}_{-1.1}$ %

Halo fractions hosting:
Only centrals	63.6%	$70 . 7_{- 9.7}^{+ 1.6}$ $70.7^{+1.6}_{-9.7}$ %	85.0%	$87 . 7_{- 2.3}^{+ 2.2}$ $87.7^{+2.2}_{-2.3}$ %
Only satellites	32.1%	$24 . 3_{- 2.0}^{+ 12.8}$ $24.3^{+12.8}_{-2.0}$ %	12..9%	$9 . 6_{- 1.7}^{+ 2.2}$ $9.6^{+2.2}_{-1.7}$ %
Centrals and satellites	4.4%	$4 . 9_{- 0.5}^{+ 3.5}$ $4.9^{+3.5}_{-0.5}$ %	2.1%	$2 . 6_{- 0.3}^{+ 0.4}$ $2.6^{+0.4}_{-0.3}$ %
Centrals and satellites (sat. shuffling)	$3 . 2_{- 0.1}^{+ 0.1}$ $3.2^{+0.1}_{-0.1}$ %	$3 . 1_{- 0.3}^{+ 1.0}$ $3.1^{+1.0}_{-0.3}$ %	$2 . 3_{- 0.3}^{+ 0.3}$ $2.3^{+0.3}_{-0.3}$ %	$1 . 0_{- 0.2}^{+ 0.2}$ $1.0^{+0.2}_{-0.2}$ %
More than one satellite	3.6%	$2 . 4_{- 0.2}^{+ 2.0}$ $2.4^{+2.0}_{-0.2}$ %	0.6%	$0 . 3_{- 0.1}^{+ 0.2}$ $0.3^{+0.2}_{-0.1}$ %
More than one satellite (r < r_200c)	2.0%	$1 . 9_{- 0.2}^{+ 0.4}$ $1.9^{+0.4}_{-0.2}$ %	0.0%	$0 . 0_{- 0.0}^{+ 0.0}$ $0.0^{+0.0}_{-0.0}$ %

Average halo masses, $⟨ log (M_{h, i} / h^{- 1} M_{⊙}) ⟩$ $\langle \log(M_{h,\rm{i}}/{ h^{-1}\text{ M}_{\odot}}) \rangle$ :
Hosting centrals	11.9	$12 . 1_{- 0.2}^{+ 0.1}$ $12.1^{+0.1}_{-0.2}$	11.9	$12 . 0_{- 0.1}^{+ 0.0}$ $12.0^{+0.0}_{-0.1}$
Hosting satellites	12.9	$13 . 0_{- 0.2}^{+ 0.1}$ $13.0^{+0.1}_{-0.2}$	12.9	$12 . 6_{- 0.2}^{+ 0.1}$ $12.6^{+0.1}_{-0.2}$
Hosting only centrals	11.9	$12 . 1_{- 0.2}^{+ 0.1}$ $12.1^{+0.1}_{-0.2}$	11.9	$11 . 9_{- 0.1}^{+ 0.0}$ $11.9^{+0.0}_{-0.1}$
Hosting only satellites	13.0	$13 . 1_{- 0.3}^{+ 0.1}$ $13.1^{+0.1}_{-0.3}$	12.9	$12 . 7_{- 0.2}^{+ 0.1}$ $12.7^{+0.1}_{-0.2}$
Hosting centrals and satellites	12.2	$12 . 5_{- 0.3}^{+ 0.2}$ $12.5^{+0.2}_{-0.3}$	12.3	$12 . 2_{- 0.1}^{+ 0.1}$ $12.2^{+0.1}_{-0.1}$

Satellite distribution in host halo mass bins (100% = all satellites)
r < r_min fit	31.7%	$57 . 0_{- 20.9}^{+ 2.2}$ $57.0^{+2.2}_{-20.9}$ %	2.4%	$14 . 8_{- 2.6}^{+ 4.3}$ $14.8^{+4.3}_{-2.6}$ %
r > r_min fit, M_h/h⁻¹M_⊙ < 10¹²	7.1%	$4 . 2_{- 0.9}^{+ 12.7}$ $4.2^{+12.7}_{-0.9}$ %	19.4%	$22 . 1_{- 3.8}^{+ 8.4}$ $22.1^{+8.4}_{-3.8}$ %
r > r_min fit, 10¹² < M_h/h⁻¹M_⊙ < 10^12.5	22.9%	$10 . 8_{- 1.2}^{+ 10.2}$ $10.8^{+10.2}_{-1.2}$ %	36.6%	$35 . 5_{- 7.2}^{+ 0.4}$ $35.5^{+0.4}_{-7.2}$ %
r > r_min fit, 10^12.5 < M_h/h⁻¹M_⊙ < 10¹³	21.0%	$20 . 5_{- 7.5}^{+ 1.5}$ $20.5^{+1.5}_{-7.5}$ %	23.8%	$17 . 3_{- 3.5}^{+ 3.0}$ $17.3^{+3.0}_{-3.5}$ %
r > r_min fit, 10¹³ < M_h/h⁻¹M_⊙ < 10¹⁴	16.3%	$3 . 5_{- 1.4}^{+ 7.6}$ $3.5^{+7.6}_{-1.4}$ %	16.6%	$7.3 %_{- 3.5}^{+ 4.0}$ $7.3\%^{+4.0}_{-3.5}$ %

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