Minimum and maximum mass-luminosity relations for stripped stars

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Volume 703 (November 2025)

A&A, 703 (2025) A40

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Table 2.

Empirically determined luminosity, surface H mass fraction, and spectroscopic mass of four partially stripped systems in the MCs.

	SMCSGS-FS 69	2dFS 163	2dFS 2553	Sk −71° 35
log(L/L_⊙)	$4 . 7_{- 0.1}^{+ 0.1}$ $4.7^{+0.1}_{-0.1}$	$4 . 75_{- 0.1}^{+ 0.1}$ $4.75^{+0.1}_{-0.1}$	$4 . 91_{- 0.1}^{+ 0.1}$ $4.91^{+0.1}_{-0.1}$	$4 . 93_{- 0.1}^{+ 0.1}$ $4.93^{+0.1}_{-0.1}$
X_H [mass fr.]	$0 . 59_{- 0.1}^{+ 0.1}$ $0.59^{+0.1}_{-0.1}$	$0 . 33_{- 0.05}^{+ 0.1}$ $0.33^{+0.1}_{-0.05}$	$0 . 6_{- 0.05}^{+ 0.1}$ $0.6^{+0.1}_{-0.05}$	$0 . 7_{- 0.1}^{+ 0.04}$ $0.7^{+0.04}_{-0.1}$
M_spec [M_⊙]	$2 . 8_{- 0.8}^{+ 1.5}$ $2.8^{+1.5}_{-0.8}$	$3 . 96_{- 1.5}^{+ 1.8}$ $3.96^{+1.8}_{-1.5}$	$6 . 86_{- 2.8}^{+ 3.3}$ $6.86^{+3.3}_{-2.8}$	$7 . 8_{- 3}^{+ 3.6}$ $7.8^{+3.6}_{-3}$

M_max [M_⊙]	18.08	13.063	22.177	25.672
M_He [M_⊙]	6.217	6.538	7.721	7.887
M_min [M_⊙]	4.132	3.871	5.465	5.769

Notes. The empirical stellar parameters are taken from Ramachandran et al. (2023) and Ramachandran et al. (2024). We compare the spectroscopic masses with the maximum, pure-He, and minimum masses predicted by the MLRs presented in this work.

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