Open Access
Table 5
HD 93963 A system parameters.
| Parameters | Values from TESS+CHEOPS joint fit |
|---|---|
| Model parameters for HD 93963 Ab | |
| Orbital period Pb (days) |  |
| Transit epoch T0b (BJD - 2457000) | 1901.2774 ± 0.0016 |
| Planet-to-star radius ratio Rb/R* | 0.01190 ± 0.00036 |
| Impact parameter b |  |
| Scaled semi-major axis ab/R* | 4.299 ± 0.067 |
| Model parameters for HD 93963 A c | |
| Orbital period Pc (days) |  |
| Transit epoch T0c (BJD - 2457000) |  |
| Planet-to-star radius ratio Rc/R* | 0.02838 ± 0.00045 |
| Impact parameter bc | 0.640 ± 0.026 |
| Scaled semi-major axis, ac/R* | 9.92 ± 0.15 |
| Other system parameters | |
| Limb darkening coefficient q1,TESS | 0.30 ± 0.09 |
| Limb darkening coefficient q2,TESS | 0.24 ± 0.10 |
| Limb darkening coefficient q1,CHEOPS | 0.52 ± 0.09 |
| Limb darkening coefficient q2,CHEOPS | 0.32 ± 0.10 |
| Jitter term σTESS | 0.0005461 ± 0.0000032 |
| Jitter term σCHEOPS | 0.0002106 ± 0.0000024 |
| Derived parameters for HD 93963 A b | |
| Planetary radius Rb (R⊕) | 1.35 ± 0.042 |
| Semi-major axis ab (AU) | 0.02085 ± 0.00037 |
| Orbital inclination ib (deg) |  |
| Transit duration Wb(h) | 1.812 ± 0.040 |
| Transit depth Db(ppm) |  |
| Equilibrium temperature Teq,b (K) | 2042 27 |
| Insolation Fp,b (F⊕) |  |
| Derived parameters for HD 93963 A c | |
| Planetary radius Rc (R⊕) | 3.228 ± 0.059 |
| Semi-major axis ab (AU) | 0.04813 0.00085 |
| Orbital inclination ic (deg) | 86.31 ± 0.19 |
| Transit duration Wc (h) |  |
| Transit depth Dc (ppm) |  |
| Equilibrium temperature Teq,c (K) | 1344 ± 18 |
| Insolation Fp,c (F⊕) |  |
| Other derived parameters | |
| Limb darkening coefficient u1,TESS | 0.25 ± 0.11 |
| Limb darkening coefficient u2,TESS | 0.28 ± 0.12 |
| Limb darkening coefficient u1,CHEOPS | 0.46 ± 0.14 |
| Limb darkening coefficient u2,CHEOPS | 0.26 ± 0.14 |
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