The baryonic mass–size relation of galaxies - II. Implications for the evolutionary paths between star-forming and passive galaxies

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Volume 707 (March 2026)

A&A, 707 (2026) A292

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Table A.1.

ROXY best-fit parameters of the structural relations of different galaxy populations.

	M_bar − R_50, bar			M_bar − Σ_50, bar			R_50, bar − Σ_50, bar
	α	β	σ_obs	α	β	σ_obs	α	β	σ_obs
Es	$0 . 60_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.60^{+0.02}_{-0.02} $$	$- 6 . 15_{- 0.25}^{+ 0.26}$ $Mathematical equation: $ -6.15^{+0.26}_{-0.25} $$	$0 . 14_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.14^{+0.01}_{-0.01} $$	$- 0 . 19_{- 0.05}^{+ 0.04}$ $Mathematical equation: $ -0.19^{+0.04}_{-0.05} $$	$5 . 47_{- 0.46}^{+ 0.54}$ $Mathematical equation: $ 5.47^{+0.54}_{-0.46} $$	$0 . 29_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.29^{+0.02}_{-0.02} $$	$- 0 . 61_{- 0.05}^{+ 0.05}$ $Mathematical equation: $ -0.61^{+0.05}_{-0.05} $$	$3 . 63_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 3.63^{+0.04}_{-0.04} $$	$0 . 22_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.22^{+0.01}_{-0.01} $$
bulges	$0 . 53_{- 0.06}^{+ 0.06}$ $Mathematical equation: $ 0.53^{+0.06}_{-0.06} $$	$- 5 . 60_{- 0.63}^{+ 0.58}$ $Mathematical equation: $ -5.60^{+0.58}_{-0.63} $$	$0 . 23_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.23^{+0.02}_{-0.02} $$	$- 0 . 07_{- 0.12}^{+ 0.13}$ $Mathematical equation: $ -0.07^{+0.13}_{-0.12} $$	$4 . 41_{- 1.36}^{+ 1.25}$ $Mathematical equation: $ 4.41^{+1.25}_{-1.36} $$	$0 . 45_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 0.45^{+0.04}_{-0.04} $$	$- 1 . 00_{- 0.12}^{+ 0.12}$ $Mathematical equation: $ -1.00^{+0.12}_{-0.12} $$	$3 . 61_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 3.61^{+0.04}_{-0.04} $$	$0 . 31_{- 0.03}^{+ 0.03}$ $Mathematical equation: $ 0.31^{+0.03}_{-0.03} $$
Es + bulges	$0 . 64_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.64^{+0.02}_{-0.02} $$	$- 6 . 67_{- 0.21}^{+ 0.20}$ $Mathematical equation: $ -6.67^{+0.20}_{-0.21} $$	$0 . 18_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.18^{+0.01}_{-0.01} $$	$- 0 . 28_{- 0.04}^{+ 0.03}$ $Mathematical equation: $ -0.28^{+0.03}_{-0.04} $$	$6 . 51_{- 0.38}^{+ 0.41}$ $Mathematical equation: $ 6.51^{+0.41}_{-0.38} $$	$0 . 36_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.36^{+0.02}_{-0.02} $$	$- 0 . 68_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ -0.68^{+0.04}_{-0.04} $$	$3 . 66_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 3.66^{+0.02}_{-0.02} $$	$0 . 26_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.26^{+0.01}_{-0.01} $$
S0 disks	$0 . 34_{- 0.08}^{+ 0.08}$ $Mathematical equation: $ 0.34^{+0.08}_{-0.08} $$	$- 2 . 95_{- 0.88}^{+ 0.82}$ $Mathematical equation: $ -2.95^{+0.82}_{-0.88} $$	$0 . 20_{- 0.02}^{+ 0.03}$ $Mathematical equation: $ 0.20^{+0.03}_{-0.02} $$	$0 . 31_{- 0.16}^{+ 0.17}$ $Mathematical equation: $ 0.31^{+0.17}_{-0.16} $$	$- 0 . 75_{- 1.77}^{+ 1.65}$ $Mathematical equation: $ -0.75^{+1.65}_{-1.77} $$	$0 . 41_{- 0.05}^{+ 0.06}$ $Mathematical equation: $ 0.41^{+0.06}_{-0.05} $$	$- 0 . 84_{- 0.30}^{+ 0.29}$ $Mathematical equation: $ -0.84^{+0.29}_{-0.30} $$	$3 . 04_{- 0.18}^{+ 0.18}$ $Mathematical equation: $ 3.04^{+0.18}_{-0.18} $$	$0 . 38_{- 0.05}^{+ 0.05}$ $Mathematical equation: $ 0.38^{+0.05}_{-0.05} $$
dEs/dSphs	$0 . 26_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.26^{+0.01}_{-0.01} $$	$- 1 . 96_{- 0.06}^{+ 0.05}$ $Mathematical equation: $ -1.96^{+0.05}_{-0.06} $$	$0 . 17_{- 0.00}^{+ 0.00}$ $Mathematical equation: $ 0.17^{+0.00}_{-0.00} $$	$0 . 48_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.48^{+0.02}_{-0.02} $$	$- 2 . 88_{- 0.11}^{+ 0.11}$ $Mathematical equation: $ -2.88^{+0.11}_{-0.11} $$	$0 . 34_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.34^{+0.01}_{-0.01} $$	$0 . 05_{- 0.07}^{+ 0.07}$ $Mathematical equation: $ 0.05^{+0.07}_{-0.07} $$	$0 . 21_{- 0.03}^{+ 0.03}$ $Mathematical equation: $ 0.21^{+0.03}_{-0.03} $$	$0 . 48_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.48^{+0.01}_{-0.01} $$
UDGs	$0 . 18_{- 0.05}^{+ 0.06}$ $Mathematical equation: $ 0.18^{+0.06}_{-0.05} $$	$- 1 . 01_{- 0.45}^{+ 0.44}$ $Mathematical equation: $ -1.01^{+0.44}_{-0.45} $$	$0 . 16_{- 0.01}^{+ 0.02}$ $Mathematical equation: $ 0.16^{+0.02}_{-0.01} $$	$0 . 63_{- 0.11}^{+ 0.11}$ $Mathematical equation: $ 0.63^{+0.11}_{-0.11} $$	$- 4 . 74_{- 0.87}^{+ 0.86}$ $Mathematical equation: $ -4.74^{+0.86}_{-0.87} $$	$0 . 31_{- 0.02}^{+ 0.03}$ $Mathematical equation: $ 0.31^{+0.03}_{-0.02} $$	$- 1 . 18_{- 0.25}^{+ 0.25}$ $Mathematical equation: $ -1.18^{+0.25}_{-0.25} $$	$0 . 76_{- 0.12}^{+ 0.12}$ $Mathematical equation: $ 0.76^{+0.12}_{-0.12} $$	$0 . 33_{- 0.03}^{+ 0.03}$ $Mathematical equation: $ 0.33^{+0.03}_{-0.03} $$
dEs/dSphs/UDGs	$0 . 32_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.32^{+0.01}_{-0.01} $$	$- 2 . 35_{- 0.05}^{+ 0.05}$ $Mathematical equation: $ -2.35^{+0.05}_{-0.05} $$	$0 . 19_{- 0.00}^{+ 0.00}$ $Mathematical equation: $ 0.19^{+0.00}_{-0.00} $$	$0 . 35_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.35^{+0.02}_{-0.02} $$	$- 2 . 10_{- 0.11}^{+ 0.12}$ $Mathematical equation: $ -2.10^{+0.12}_{-0.11} $$	$0 . 38_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.38^{+0.01}_{-0.01} $$	$0 . 02_{- 0.05}^{+ 0.05}$ $Mathematical equation: $ 0.02^{+0.05}_{-0.05} $$	$0 . 20_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.20^{+0.02}_{-0.02} $$	$0 . 48_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.48^{+0.01}_{-0.01} $$
dEs(N)	$0 . 20_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.20^{+0.01}_{-0.01} $$	$- 1 . 58_{- 0.10}^{+ 0.10}$ $Mathematical equation: $ -1.58^{+0.10}_{-0.10} $$	$0 . 16_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.16^{+0.01}_{-0.01} $$	$0 . 60_{- 0.03}^{+ 0.03}$ $Mathematical equation: $ 0.60^{+0.03}_{-0.03} $$	$- 3 . 61_{- 0.21}^{+ 0.19}$ $Mathematical equation: $ -3.61^{+0.19}_{-0.21} $$	$0 . 32_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.32^{+0.01}_{-0.01} $$	$0 . 45_{- 0.16}^{+ 0.16}$ $Mathematical equation: $ 0.45^{+0.16}_{-0.16} $$	$0 . 84_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 0.84^{+0.04}_{-0.04} $$	$0 . 56_{- 0.02}^{+ 0.03}$ $Mathematical equation: $ 0.56^{+0.03}_{-0.02} $$
Baryonic HSD disks	$0 . 46_{- 0.06}^{+ 0.06}$ $Mathematical equation: $ 0.46^{+0.06}_{-0.06} $$	$- 4 . 15_{- 0.65}^{+ 0.66}$ $Mathematical equation: $ -4.15^{+0.66}_{-0.65} $$	$0 . 20_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.20^{+0.02}_{-0.02} $$	$0 . 08_{- 0.13}^{+ 0.12}$ $Mathematical equation: $ 0.08^{+0.12}_{-0.13} $$	$1 . 46_{- 1.29}^{+ 1.40}$ $Mathematical equation: $ 1.46^{+1.40}_{-1.29} $$	$0 . 39_{- 0.04}^{+ 0.05}$ $Mathematical equation: $ 0.39^{+0.05}_{-0.04} $$	$- 0 . 85_{- 0.14}^{+ 0.16}$ $Mathematical equation: $ -0.85^{+0.16}_{-0.14} $$	$3 . 01_{- 0.13}^{+ 0.12}$ $Mathematical equation: $ 3.01^{+0.12}_{-0.13} $$	$0 . 31_{- 0.03}^{+ 0.03}$ $Mathematical equation: $ 0.31^{+0.03}_{-0.03} $$
Stellar HSD disks	$0 . 41_{- 0.06}^{+ 0.06}$ $Mathematical equation: $ 0.41^{+0.06}_{-0.06} $$	$- 3 . 67_{- 0.64}^{+ 0.63}$ $Mathematical equation: $ -3.67^{+0.63}_{-0.64} $$	$0 . 19_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.19^{+0.02}_{-0.02} $$	$0 . 18_{- 0.13}^{+ 0.12}$ $Mathematical equation: $ 0.18^{+0.12}_{-0.13} $$	$0 . 42_{- 1.22}^{+ 1.36}$ $Mathematical equation: $ 0.42^{+1.36}_{-1.22} $$	$0 . 38_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 0.38^{+0.04}_{-0.04} $$	$- 0 . 80_{- 0.17}^{+ 0.16}$ $Mathematical equation: $ -0.80^{+0.16}_{-0.17} $$	$2 . 96_{- 0.12}^{+ 0.14}$ $Mathematical equation: $ 2.96^{+0.14}_{-0.12} $$	$0 . 33_{- 0.03}^{+ 0.04}$ $Mathematical equation: $ 0.33^{+0.04}_{-0.03} $$
Baryonic LSD disks	$0 . 39_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.39^{+0.02}_{-0.02} $$	$- 3 . 00_{- 0.21}^{+ 0.20}$ $Mathematical equation: $ -3.00^{+0.20}_{-0.21} $$	$0 . 16_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 0.16^{+0.01}_{-0.01} $$	$0 . 22_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 0.22^{+0.04}_{-0.04} $$	$- 0 . 78_{- 0.41}^{+ 0.39}$ $Mathematical equation: $ -0.78^{+0.39}_{-0.41} $$	$0 . 32_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ 0.32^{+0.02}_{-0.02} $$	$- 0 . 11_{- 0.11}^{+ 0.11}$ $Mathematical equation: $ -0.11^{+0.11}_{-0.11} $$	$1 . 38_{- 0.08}^{+ 0.08}$ $Mathematical equation: $ 1.38^{+0.08}_{-0.08} $$	$0 . 36_{- 0.02}^{+ 0.03}$ $Mathematical equation: $ 0.36^{+0.03}_{-0.02} $$
Stellar LSD disks	$0 . 31_{- 0.02}^{+ 0.03}$ $Mathematical equation: $ 0.31^{+0.03}_{-0.02} $$	$- 2 . 35_{- 0.23}^{+ 0.21}$ $Mathematical equation: $ -2.35^{+0.21}_{-0.23} $$	$0 . 22_{- 0.01}^{+ 0.02}$ $Mathematical equation: $ 0.22^{+0.02}_{-0.01} $$	$0 . 37_{- 0.05}^{+ 0.05}$ $Mathematical equation: $ 0.37^{+0.05}_{-0.05} $$	$- 2 . 03_{- 0.47}^{+ 0.45}$ $Mathematical equation: $ -2.03^{+0.45}_{-0.47} $$	$0 . 44_{- 0.03}^{+ 0.03}$ $Mathematical equation: $ 0.44^{+0.03}_{-0.03} $$	$- 0 . 10_{- 0.14}^{+ 0.16}$ $Mathematical equation: $ -0.10^{+0.16}_{-0.14} $$	$1 . 33_{- 0.08}^{+ 0.08}$ $Mathematical equation: $ 1.33^{+0.08}_{-0.08} $$	$0 . 54_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 0.54^{+0.04}_{-0.04} $$

Notes. For passive galaxies, the stellar scaling relations are virtually equivalent to the baryonic ones.

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