The young exoplanetary system TOI-4562: Confirming the presence of a third body in the system

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Volume 690 (October 2024)

A&A, 690 (2024) L7

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Table 2.

Parameters of TOI-4562 b and TOI-4562 c.

Parameter	Description	Value
TOI-4562 b
k_OPD/LNA	Planet-to-star radius	$0 . 0960_{- 0.0075}^{+ 0.0071}$ $0.0960^{+0.0071}_{-0.0075}$
k_TESS	Planet-to-star radius	$0 . 09485_{- 0.0015}^{+ 0.0015}$ $0.09485^{+0.0015}_{-0.0015}$
a/R_s	Normalised semi-major axis	$150 . 3_{- 9.8}^{+ 12.4}$ $150.3^{+12.4}_{\,\,\,-9.8}$
i	Orbit inclination [deg]	$+ 89 . 15_{- 0.17}^{+ 0.21}$ $+89.15^{+0.21}_{-0.17}$
u₁	Limb-darkening coefficient	0.41
u₂	Limb-darkening coefficient	0.29
T₀	Linear ephemeris [BJD]	$2459476 . 90040_{- 0.00059}^{+ 0.00051}$ $2459476.90040^{+0.00051}_{-0.00059}$
P_orb	Orbital period [days]	$225 . 10640_{- 0.00015}^{+ 0.00015}$ $225.10640^{+0.00015}_{-0.00015}$
Ω_b	Longitude of the ascending node [deg]	$24_{- 16}^{+ 17}$ $24^{+17}_{-16}$
ℳ_b	Mean anomaly [deg]	38.297 ± 0.004
TOI-4562 c
M_P	Mass Planet [M_jup]	$5 . 77_{- 0.56}^{+ 0.37}$ $5.77^{+0.37}_{-0.56}$
P_orb	Orbital period [days]	$3990_{- 192}^{+ 201}$ $3990^{+201}_{-192}$
e	Eccentricity	$0 . 122_{- 0.026}^{+ 0.027}$ $0.122^{+0.027}_{-0.026}$
a	Semimajor axis [AU]	5.219 ± 0.002
ω	Argument of periapsis [deg]	$3_{- 21}^{+ 20}$ $3^{+20}_{-21}$
i	Orbit inclination [deg]	$90 . 00_{- 0.19}^{+ 0.17}$ $90.00^{+0.17}_{-0.19}$
Ω_c	Longitude of the ascending node [deg]	$- 57_{- 24}^{+ 23}$ $-57^{+23}_{-24}$
ℳ_c	Mean anomaly [deg]	$194_{- 23}^{+ 24}$ $194^{+24}_{-23}$

Notes. Orbital parameters of TOI-4562 b and TOI-4562 c derived from our analysis. A corner plot for the posterior distribution of our free parameters is presented in Fig. A.2 of the Appendix.

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