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Table 3

Relative and absolute estimates for the stellar and companion parameters derived from the multicolour transit analysis.

Description Parameter Units Posterior
Ephemeris

Zero epoch T0 (BJD) 2459255.6948195 ± 2.7 × 10−4
Orbital period P (days) 2.3263180 ± 4.8 × 10−6
Transit duration T14 (h) 0.98 ± 0.01
Contamination-analysis related properties

Apparent area ratio in the ground-based data 0.0034 ± 0.0002
Apparent area ratio in TESS data 0.0034 ± 0.0004
Robust area ratio < 0.035 (99th percentile upper limit)
Host temperature Teff,h (K) 3200 ± 170
Contaminant temperature Teff,c (K) 3100 ± 220
Relative properties

Radius ratio kapp (R*) 0.058 ± 0.001
Scaled semi-major axis as (R*) 18.43 (−1.5) (+0.7)
Impact parameter b <0.64
Absolute properties

Radius(a) Rp,app (R) 1.54 ± 0.09
Semi-major axis(a) a (AU) 0.020 ± 0.002
Eq. temperature(b) Teq (K) 550 ± 47
Stellar density ρ* (g cm−3) 22 (−4.9) (+2.5)
Inclination i (deg) >88.51
Bolometric insolation S (S) 13 ± 3.0

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