A transiting hot Jupiter with two outer siblings orbiting an intermediate-mass post-main-sequence star

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Volume 706 (February 2026)

A&A, 706 (2026) A20

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Table 3

Stellar properties of TOI-375.

Parameter	Value	Reference
Names	TIC 280097543	TESS
	2MASS J03083602-7722598	2MASS
	TYC 9366-00188-1	TYCHO
	WISE J030835.98-772259.8	WISE
RA (J2000)	03h08m35.98s
Dec (J2000)	−77d22m59.98s
μ_a (mas yr⁻¹)	−4.6136 ± 0.0125	Gaia DR3
μ_δ (mas yr⁻¹)	−4.2989 ± 0.0164	Gaia DR3
π (mas)	2.4779 ± 0.0123	Gaia DR3
TESS (mag)	10.4471 ± 0.006	TESS
G (mag)	11.0470 ± 0.0002	Gaia DR3
B_p (mag)	11.5421 ± 0.0006	Gaia DR3
R_p (mag)	10.3895 ± 0.0006	Gaia DR3
J (mag)	9.633 ± 0.026	2MASS
H (mag)	9.172 ± 0.025	2MASS
K_s (mag)	9.084 ± 0.023	2MASS
L_* (L_⊙)	${5.754}_{- 0.283}^{+ 0.282}$ $5.754^{+0.282}_{-0.283}$	This work
T_eff (K)	${5259.9}_{- 135.3}^{+ 136.9}$ $5259.9^{+136.9}_{-135.3}$	This work
log g (dex)	3.672 ± 0.011	This work
[Fe/H] (dex)	${0.084}_{- 0.045}^{+ 0.047}$ $0.084^{+0.047}_{-0.045}$	This work
v sin i (km s⁻¹)	2.97 ± 0.30	This work
M^* (M_⊙)	${1.441}_{- 0.075}^{+ 0.076}$ $1.441^{+0.076}_{-0.075}$	This work
R^* (R_⊙)	${2.900}_{- 0.127}^{+ 0.129}$ $2.900^{+0.129}_{-0.127}$	This work
Age (Gyr)	${2.94}_{- 0.60}^{+ 0.60}$ $2.94^{+0.60}_{-0.60}$	This work
ρ_* (g cm⁻³)	0.083 ± 0.012	This work

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