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

Home

All issues

Volume 697 (May 2025)

A&A, 697 (2025) A226

Full HTML

Open Access

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%	$7.3 %_{- 3.5}^{+ 4.0}$ $7.3\%^{+4.0}_{-3.5}$ %

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.