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Home All issues Volume 704 (December 2025) A&A, 704 (2025) A194 Full HTML
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Table B.1

Planetary parameters.

Parameter Description Prior Value
Modeled parameters
q1;TESS Linear limb-darkening coefficient for TESS U(0, 1) ecosω$\sqrt e {\rm{cos}}\omega $
q2;TESS Quadratic limb-darkening coefficient for TESS U(0, 1) esinω$\sqrt e {\rm{sin}}\omega $
q1;HARPS−N Linear limb-darkening coefficient for HARPS-N U(0, 1) 0.23−0.08+0.17$0.23_{ - 0.08}^{ + 0.17} $
q2; HARPS−N Quadratic limb-darkening coefficient for HARPS-N U(0, 1) 0.66−0.28+0.23$0.66_{ - 0.28}^{ + 0.23} $
(R⋆ + Rp)/a Sum of radii over semimajor axis U(0, 1) 0.52−0.33+0.32$0.52_{ - 0.33}^{ + 0.32} $
Rp/R⋆ Planet-to-star radius ratio U(0, 1) 0.086 ± 0.001
cos i Cosine of the orbital inclination U(0, 1) 0.43−0.26+0.30$0.43_{ - 0.26}^{ + 0.30} $
T0 Transit epoch: 2457000 (BJD) U(2765.0088, 2765.2088) 2765.1094 ± 0.0008
P Orbital period (d) U(56.2, 56.6) 56.3987 ± 0.0001
K Radial velocity semi-amplitude (m s−1) U(0, 1000) 0.0215−0.0005+0.0007$0.0215_{ - 0.0005}^{ + 0.0007} $
0.0106−0.0073+0.0111$0.0106_{ - 0.0073}^{ + 0.0111} $ U(−1, 1) −0.544 ± 0.019
159.6−3.1+3.0$159.6_{ - 3.1}^{ + 3.0} $ U(−1, 1) 0.673−0.016+0.015$0.673_{ - 0.016}^{ + 0.015} $
λ Sky-projected spin-orbit angle (deg) U(−180, 180) 4−16+17$4_{ - 16}^{ + 17} $
v sin i Host star projected rotational velocity (km s−1) U(0, 20) 6.30−0.53+0.54$6.30_{ - 0.53}^{ + 0.54} $
ξ Microturbulent velocity (km s−1) N(1.18, 1) 1.29−0.76+0.88$1.29_{ - 0.76}^{ + 0.88} $
ζ Macroturbulent velocity (km s−1) N(4.52, 1) 4.55−0.96+0.95$4.55_{ - 0.96}^{ + 0.95} $
ln σTESS Jitter term for 2 min TESS data U(−23, 0) −6.151 ± 0.025
ln σTESS;LC Jitter term for 30 min TESS data U(−23, 0) −7.596−0.070+0.073$ - 7.596_{ - 0.070}^{ + 0.073} $
ln σjitter,SOPHIE Jitter term for SOPHIE (ln km s−1) U(−12, 0) −4.23−0.23+0.22$ - 4.23_{ - 0.23}^{ + 0.22} $
γSOPHIE Offset term for SOPHIE (m s−1) U(−1, 1) 0.0−3.8+3.6$0.0_{ - 3.8}^{ + 3.6} $
ln σjitter,NEID Jitter term for NEID (ln km s−1) U(−12, 0) −6.94−3.32+1.70$ - 6.94_{ - 3.32}^{ + 1.70} $
γNEID Offset term for NEID (m s−1) U(−1, 1) −0.2−2.8+2.9$ - 0.2_{ - 2.8}^{ + 2.9} $
ln σjitter,HARPS−N Jitter term for HARPS-N (ln km s−1) U(−12, 0) −10.11−3.16+2.82$ - 10.11_{ - 3.16}^{ + 2.82} $
γHARPS−N Offset term for HARPS-N (m s−1) U(−37000, − 36000) −36764.2−3.7+3.8$ - 36764.2_{ - 3.7}^{ + 3.8} $
Derived parameters
a/R⋆ Semimajor axis over stellar radius 50.5−1.6+1.2$50.5_{ - 1.6}^{ + 1.2} $
a Semimajor axis (AU) 0.303−0.015+0.014$0.303_{ - 0.015}^{ + 0.014} $
Rp Planet radius (R⊕) 12.07−0.49+0.50$12.07_{ - 0.49}^{ + 0.50} $
Rp Planet radius (RJ) 1.08 ± 0.04
Mp Planet mass (MJ) 2.34−0.17+0.19$2.34_{ - 0.17}^{ + 0.19} $
i Orbital inclination (deg) 89.39−0.64+0.42$89.39_{ - 0.64}^{ + 0.42} $
e Orbital eccentricity 0.7484−0.0068+0.0064$0.7484_{ - 0.0068}^{ + 0.0064} $
ω Argument of periastron (deg) 128.9 ± 1.6
b Impact parameter 0.15−0.10+0.15$0.15_{ - 0.10}^{ + 0.15} $
Ttot Total transit duration (h) 3.82−0.04+0.05$3.82_{ - 0.04}^{ + 0.05} $
Tfull Full transit duration (h) 3.20 ± 0.04
ρ⋆ Derived stellar density (g cm−3) 0.765−0.071+0.057$0.765_{ - 0.071}^{ + 0.057} $
Teq Planet equilibrium temperaturea (K) 556−13+14$556_{ - 13}^{ + 14} $

Note: (a) Assuming an albedo of 0.3 and emissivity of 1.

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