Table 4.
Derived system and stellar parameters of HD 214220.
| Measurement (a) | Value | Precision |
|---|---|---|
| T0 BTJD [d] | 1716.309 | 0.007 |
| Tperi BTJD [d] | 1711.37 | 0.01 |
| P [d] | 43.1426 | 0.0004 |
| a [AU] | 0.409 | 0.001 |
| e | 0.289 | 0.002 |
| ω [deg] | 21.0 | 1.0 |
| i [deg] | 86.5 | 0.2 |
| ΣR [R⊙] | 8.5 | 0.2 |
| T2/T1 | 1.03 | 0.03 |
| q | 0.972 | 0.006 |
| M1 [M⊙] | 2.49 | 0.03 |
| M2 [M⊙] | 2.42 | 0.03 |
Notes.
T0 is the time of the primary eclipse in BTJD, P is the orbital period, a the semimajor axis, e the eccentricity, ω the longitude of periastron, i the inclination, ΣR the sum of the two radii, T2/T1 the ratio of the brightness temperatures in the TESS spectral passband, q the ratio of the masses, and M1 and M2 the stellar masses. The parameters that depend on the light curve fit are given for the average of solutions 2 and 3 of Table 3, and the uncertainties reflect the difference of the extremes.
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