Table A.4
Relative uncertainty on planetary radii 
as computed from the TESS-only and TESS+CHEOPS (e free) approaches.
 [%] |
|||
|---|---|---|---|
| Planet | TESS-only | TESS+CHEOPS | |
| This work | April 2021 | This work | |
| b | 4.8 | 3.9 | 3.3 |
| c | 3.1 | 2.5 | 2.4 |
| d | 2.6 | 2.1 | 2.2 |
| e | 2.8 | 2.3 | 1.7 |
| f | 8.7 | 7.1 | 3.3 |
Notes. As the TESS extended mission will re-observe HD 108236 again in April 2021 during one sector of observations, we also predict the expected 
once the new TESS data will be combined to the present-day ones. The present day contribution of CHEOPS data still guarantees a better precision on the radii of planets b, e, and f, while the predicted precision is comparable for planets c and d.
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