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Table 2

The 11 key targets from the Ariel mission reference sample and their radii, masses, incident stellar fluxes, and ages.

Planet Radius [RJ] Mass [MJ] F* [erg cm−2 s−1] Age [Gyr]
HAT-P-15 b 1.07 ± 0.04 1.95 ± 0.07 1.5 × 108
HAT-P-17 b 1.01 ± 0.03 0.53 ± 0.02 8.4 × 107
HAT-P-18 b 1.00 ± 0.05 0.20 ± 0.02 1.2 × 108
HATS-72 b 0.722 ± 0.003 0.125 ± 0.004 6.8 × 107
HD 17156 b 1.06 ± 0.04 3.24 ± 0.08 1.4 × 108
K2-287 b 0.85 ± 0.01 0.32 ± 0.03 1.0 × 108
TOI-1259A b 1 .02 0.03 0.44 0.05 1 . 9 108
TOI-1478 b 1.06 ± 0.04 0.85 ± 0.05 1.6 × 108
TOI-201 b 1.00 ± 0.01 0.42 ± 0.04 4.0 × 107
WASP-69 b 1.06 ± 0.05 0.26 ± 0.02 1.9 × 108
WASP-8 b 1.04 ± 0.03 2.13 ± 0.08 1.7 × 108

Notes. For these planets, atmospheric composition measurements can lift the degeneracy in the bulk metallicity and therefore lead to a better characterisation.

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