Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b

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Volume 690 (October 2024)

A&A, 690 (2024) A18

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Table 3

Stellar parameters of TOI-2420 and TOI-2485 modeled with ARIADNE and PARAM 1.3.

TOI-2420
Method	M_* (M_⊙)	R* (R_⊙)	ρ* (g cm⁻³)	L* (L_⊙)	Age (Gyr)
`astroARIADNE` ⁽^a⁾	1.158 ± 0.098	2.369 ± 0.124	0.12 ± 0.02	4.86 ± 0.51	5.3 ± 1.6
Gravitational mass⁽^b⁾	1.185 ± 0.265	...	......	...	...
PARAM 1.3	1.206 ± 0.034	2.277 ± 0.092	0.14 ± 0.02	...	4.6 ± 0.4
Gaia DR2	...	${2.345}_{- 0.207}^{+ 0.098}$ $\[2.345_{-0.207}^{+0.098}\]$	...	...	...
TOI-2485
`astroARIADNE` ⁽^a⁾	1.163 ± 0.053	1.720 ± 0.069	0.32 ± 0.04	3.31 ± 0.28	${6.0}_{- 1.7}^{+ 0.8}$ $\[6.0_{-1.7}^{+0.8}\]$
Gravitational mass ⁽^b⁾	1.167 ± 0.127	...	......		...
PARAM 1.3	1.210 ± 0.048	1.625 ± 0.047	0.40 ± 0.04		4.7 ± 0.8
Gaia DR2	...	${1.760}_{- 0.020}^{+ 0.030}$ $\[1.760_{-0.020}^{+0.030}\]$	...		...

Notes. ^(a)ARIANDE uses SED fitting and MIST isochrones. We adopted these results as the final stellar parameters in the joint transit and RV modeling in Sec. 4.^(b)Gravitational mass computed from log g_* and R_* modeled with astroARIADNE.

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