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Home All issues Volume 694 (February 2025) A&A, 694 (2025) A36 Full HTML
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Table 7

Median values with 68% confidence interval of stellar and planetary parameters derived for TOI-2295, TOI-2537, and TOI-5110, using EXOFASTv2.

Parameter Units TOI-2295 TOI-2537 TOI-5110
Stellar parameters
M* Mass (M⊙) 1.168−0.071+0.070$\[1.168_{-0.071}^{+0.070}\]$ 0.771 ± 0.049 1.469−0.088+0.089$\[1.469_{-0.088}^{+0.089}\]$
R* Radius (R⊙) 1.459−0.058+0.056$\[1.459_{-0.058}^{+0.056}\]$ 0.771−0.040+0.039$\[0.771_{-0.040}^{+0.039}\]$ 2.333−0.096+0.097$\[2.333_{-0.096}^{+0.097}\]$
L* Luminosity (L⊙) 2.06−0.25+0.27$\[2.06_{-0.25}^{+0.27}\]$ 0.301−0.046+0.052$\[0.301_{-0.046}^{+0.052}\]$ 7.03−0.83+0.97$\[7.03_{-0.83}^{+0.97}\]$
ρ* Density (cgs) 0.528−0.060+0.075$\[0.528_{-0.060}^{+0.075}\]$ 2.37−0.34+0.41$\[2.37_{-0.34}^{+0.41}\]$ 0.163−0.021+0.024$\[0.163_{-0.021}^{+0.024}\]$
log g Surface gravity (cgs) 4.176−0.039+0.042$\[4.176_{-0.039}^{+0.042}\]$ 4.551−0.048+0.049$\[4.551_{-0.048}^{+0.049}\]$ 3.869−0.045+0.044$\[3.869_{-0.045}^{+0.044}\]$
Teff Effective temperature (K) 5730 ± 140 4870 ± 150 6160 ± 150
[Fe/H] Metallicity (dex) 0.316 ± 0.040 0.080−0.080+0.079$\[0.080_{-0.080}^{+0.079}\]$ 0.065 ± 0.050
Planetary parameters TOI-2295b TOI-2295c TOI-2537b TOI-2537c TOI-5110b
P Period (days) 30.033302−0.000073+0.000072$\[30.033302_{-0.000073}^{+0.000072}\]$ 966.5−4.2+4.3$\[966.5_{-4.2}^{+4.3}\]$ 94.1022 ± 0.0011(1) 1920−140+230$\[1920_{-140}^{+230}\]$ 30.158577−0.000095+0.00092$\[30.158577_{-0.000095}^{+0.00092}\]$
RP Radius (RJ) 1.47−0.53+0.85$\[1.47_{-0.53}^{+0.85}\]$ − 1.004−0.061+0.059$\[1.004_{-0.061}^{+0.059}\]$ − 1.069−0.052+0.054$\[1.069_{-0.052}^{+0.054}\]$
MP Mass (MJ) 0.875−0.041+0.042$\[0.875_{-0.041}^{+0.042}\]$ − 1.307−0.088+0.091$\[1.307_{-0.088}^{+0.091}\]$ − 2.90 ± 0.13
TC Time of conjunction (BJDTDB) 2458713.4551 ± 0.0027 2459302.8 ± 3.8 2458440.329 ± 0.014(1) 2460060−24+25$\[2460060_{-24}^{+25}\]$ 2459503.6790−0.0013+0.0012$\[2459503.6790_{-0.0013}^{+0.0012}\]$
a Semi-major axis (AU) 0.1992−0.0041+0.0039$\[0.1992_{-0.0041}^{+0.0039}\]$ 2.018−0.042+0.040$\[2.018_{-0.042}^{+0.040}\]$ 0.3715−0.0080+0.0077$\[0.3715_{-0.0080}^{+0.0077}\]$ 2.78−0.15+0.22$\[2.78_{-0.15}^{+0.22}\]$ 0.2157−0.0044+0.0042$\[0.2157_{-0.0044}^{+0.0042}\]$
i Inclination (degrees) 88.16−0.15+0.14$\[88.16_{-0.15}^{+0.14}\]$ undefined 89.592−0.075+0.097$\[89.592_{-0.075}^{+0.097}\]$ undefined 85.2−1.2+2.1$\[85.2_{-1.2}^{+2.1}\]$
e Eccentricity 0.334 ± 0.012 0.194 ± 0.012 0.364 ± 0.039 0.287−0.052+0.060$\[0.287_{-0.052}^{+0.060}\]$ 0.745−0.027+0.030$\[0.745_{-0.027}^{+0.030}\]$
ω* Argument of periastron (degrees) −39.2−2.6+2.7$\[-39.2_{-2.6}^{+2.7}\]$ 39.5 ± 3.0 75.2−7.1+6.8$\[75.2_{-7.1}^{+6.8}\]$ −35.6−9.2+7.8$\[-35.6_{-9.2}^{+7.8}\]$ 92.2−2.8+3.1$\[92.2_{-2.8}^{+3.1}\]$
Teq (2)$\[T_{\text {eq }}^{(2)}\]$ Equilibrium temperature (K) 747 ± 24 234.9 ± 7.6 338 ± 14 123.1−6.7+6.3$\[123.1_{-6.7}^{+6.3}\]$ 976−32+33$\[976_{-32}^{+33}\]$
K RV semi-amplitude (m/s) 54.7 ± 1.3 105.8 ± 1.1 74.7 ± 4.1 145.9−5.1+5.8$\[145.9_{-5.1}^{+5.8}\]$ 218.4−9.7+13$\[218.4_{-9.7}^{+13}\]$
MP sin i Minimum mass (MJ) 0.875−0.041+0.042$\[0.875_{-0.041}^{+0.042}\]$ 5.611−0.24+0.23$\[5.611_{-0.24}^{+0.23}\]$ 1.307−0.088+0.091$\[1.307_{-0.088}^{+0.091}\]$ 7.23−0.45+0.52$\[7.23_{-0.45}^{+0.52}\]$ 2.89 ± 0.13
RP/R* Radius of planet in stellar radii 0.104−0.036+0.057$\[0.104_{-0.036}^{+0.057}\]$ − 0.1338−0.0021+0.0018$\[0.1338_{-0.0021}^{+0.0018}\]$ − 0.04709−0.00091+0.00096$\[0.04709_{-0.00091}^{+0.00096}\]$
δ Transit depth (fraction) 0.0107−0.0061+0.015$\[0.0107_{-0.0061}^{+0.015}\]$ − 0.01791−0.00057+0.00049$\[0.01791_{-0.00057}^{+0.00049}\]$ − 0.002217−0.000085+0.000091$\[0.002217_{-0.000085}^{+0.000091}\]$
τ Ingress/egress transit duration (days) 0.0627 ± 0.0024 − 0.0307−0.0037+0.0033$\[0.0307_{-0.0037}^{+0.0033}\]$ − 0.0096−0.0015+0.0018$\[0.0096_{-0.0015}^{+0.0018}\]$
T14 Total transit duration (days) 0.1254 ± 0.0048 − 0.2057−0.0036+0.0031$\[0.2057_{-0.0036}^{+0.0031}\]$ − 0.1757−0.0026+0.0029$\[0.1757_{-0.0026}^{+0.0029}\]$
b Transit impact parameter 1.056−0.043+0.063$\[1.056_{-0.043}^{+0.063}\]$ − 0.480−0.11+0.064$\[0.480_{-0.11}^{+0.064}\]$ − 0.43−0.22+0.12$\[0.43_{-0.22}^{+0.12}\]$
ρP Density (cgs) 0.34−0.25+0.96$\[0.34_{-0.25}^{+0.96}\]$ − 1.60−0.26+0.35$\[1.60_{-0.26}^{+0.35}\]$ − 2.95−0.43+0.50$\[2.955_{-0.43}^{+0.50}\]$
log gP Surface gravity 3.00−0.40+0.39$\[3.00_{-0.40}^{+0.39}\]$ 4.038−0.066+0.069$\[4.038_{-0.066}^{+0.069}\]$ 3.507−0.056+0.060$\[3.507_{-0.056}^{+0.060}\]$ 4.159−0.069+0.074$\[4.159_{-0.069}^{+0.074}\]$ 3.799−0.048+0.047$\[3.799_{-0.048}^{+0.047}\]$

Notes. (1)Among all the planets characterized in this paper, only TOI-2537b exhibits TTVs and deviates from purely Keplerian motion. Therefore, its TC and period do not follow a linear ephemeris and were calculated while accounting for the TTVs. (2)Assumes no albedo and perfect redistribution.

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