Infalling ultra-faint dwarfs as emissaries of the Axiverse

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Volume 704 (December 2025)

A&A, 704 (2025) A34

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Table A.1.

Summary of the simulated galaxies at the final redshift of the simulation (z = 3.4)

Halo ID	M_vir	R_vir	R_half	R_c	σ_v	L_*	z_f	ψ₁/ψ₂	Class
	10⁹ M_⊙	kpc	kpc	kpc	km/s	10⁵ × L_⊙
1	8.40	43.19	$0 . 42_{- 0.24}^{+ 0.60}$ $0.42^{+0.60}_{-0.24}$	$0 . 31_{- 0.19}^{+ 0.45}$ $0.31^{+0.45}_{-0.19}$	8.29	$4 . 99_{- 1.09}^{+ 8.90}$ $4.99^{+8.90}_{-1.09}$	10.3	0.90	dSph

2	1.23	22.77	$0 . 23_{- 0.13}^{+ 0.33}$ $0.23^{+0.33}_{-0.13}$	$0 . 17_{- 0.10}^{+ 0.25}$ $0.17^{+0.25}_{-0.10}$	4.45	$0 . 78_{- 0.2}^{+ 1.40}$ $0.78^{+1.40}_{-0.2}$	8.8	1.04	dSph

3	0.10	9.99	$0 . 06_{- 0.02}^{+ 0.09}$ $0.06^{+0.09}_{-0.02}$	$0 . 03_{- 0.02}^{+ 0.05}$ $0.03^{+0.05}_{-0.02}$	1.64	$0 . 008_{- 0.004}^{+ 0.01}$ $0.008^{+0.01}_{-0.004}$	7.4	7.05	UFD

4	3.29	31.61	$0 . 32_{- 0.18}^{+ 0.46}$ $0.32^{+0.46}_{-0.18}$	$0 . 24_{- 0.14}^{+ 0.35}$ $0.24^{+0.35}_{-0.14}$	6.24	$2 . 14_{- 0.47}^{+ 3.81}$ $2.14^{+3.81}_{-0.47}$	7.4	0.59	dSph

5	1.86	26.14	$0 . 27_{- 0.15}^{+ 0.38}$ $0.27^{+0.38}_{-0.15}$	$0 . 20_{- 0.12}^{+ 0.29}$ $0.20^{+0.29}_{-0.12}$	5.20	$1 . 25_{- 0.27}^{+ 2.22}$ $1.25^{+2.22}_{-0.27}$	7.4	0.39	dSph

6	3.06	30.85	$0 . 30_{- 0.17}^{+ 0.43}$ $0.30^{+0.43}_{-0.17}$	$0 . 22_{- 0.13}^{+ 0.32}$ $0.22^{+0.32}_{-0.13}$	6.00	$1 . 87_{- 0.41}^{+ 3.34}$ $1.87^{+3.34}_{-0.41}$	6.6	0.70	dSph

8	1.22	22.77	$0 . 23_{- 0.13}^{+ 0.33}$ $0.23^{+0.33}_{-0.13}$	$0 . 17_{- 0.10}^{+ 0.25}$ $0.17^{+0.25}_{-0.10}$	4.55	$0 . 83_{- 0.18}^{+ 1.48}$ $0.83^{+1.48}_{-0.18}$	5.9	0.42	dSph

9	0.16	11.65	$0 . 08_{- 0.03}^{+ 0.13}$ $0.08^{+0.13}_{-0.03}$	$0 . 04_{- 0.02}^{+ 0.07}$ $0.04^{+0.07}_{-0.02}$	2.22	$0 . 02_{- 0.0001}^{+ 0.04}$ $0.02^{+0.04}_{-0.0001}$	4.9	1.74	UFD

10	1.04	21.59	$0 . 22_{- 0.12}^{+ 0.31}$ $0.22^{+0.31}_{-0.12}$	$0 . 16_{- 0.09}^{+ 0.23}$ $0.16^{+0.23}_{-0.09}$	4.20	$0 . 65_{- 0.14}^{+ 1.16}$ $0.65^{+1.16}_{-0.14}$	4.4	0.39	dSph

11	0.97	21.03	$0 . 22_{- 0.12}^{+ 0.31}$ $0.22^{+0.31}_{-0.12}$	$0 . 16_{- 0.09}^{+ 0.23}$ $0.16^{+0.23}_{-0.09}$	4.22	$0 . 66_{- 0.14}^{+ 1.18}$ $0.66^{+1.18}_{-0.14}$	3.4	0.45	dSph

12	0.16	11.53	$0 . 08_{- 0.03}^{+ 0.13}$ $0.08^{+0.13}_{-0.03}$	$0 . 04_{- 0.02}^{+ 0.07}$ $0.04^{+0.07}_{-0.02}$	2.28	$0 . 02_{- 0.0001}^{+ 0.04}$ $0.02^{+0.04}_{-0.0001}$	3.4	0.005	UFD

13	0.25	13.48	$0 . 10_{- 0.04}^{+ 0.15}$ $0.10^{+0.15}_{-0.04}$	$0 . 05_{- 0.03}^{+ 0.08}$ $0.05^{+0.08}_{-0.03}$	2.67	$0 . 03_{- 0.0002}^{+ 0.06}$ $0.03^{+0.06}_{-0.0002}$	3.4	0.13	UFD

Notes. Column 1: Halo ID, Column 2: Halo mass, Column 3: Virial Radius, Column 4: Extrapolated half-light radius, Column 5: Extrapolated core radius, Column 6: Computes velocity dispersions, Column 7: Inferred luminosities, Column 8: Formation redshift, Column 9: mass ratio of each boson species within R_vir, Column 10: Assigned class.

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