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Table E.1.

Parameters assumed for the planets in the HDO and CH3D detection studies (Sects. 4 and 5).

Name T* (K) R* (R) TP (K) RP (R) a (au) d (pc)
51 Eri b 7331a 1.45a 760b 1.1b 13b 29.4
HR 8799 cde 7193 1.44 1200 1.05c 17-43 39.4
GJ 504 b 5978 1.36 544 0.96 >27.8f 17.56
GJ 1214 b-liked 3250 0.22 604 0.25 0.0149 7.28d
51 Peg b 5793 1.27 1260 1.4e 0.0520 14.7

Notes. If not otherwise stated, the data shown here have been culled from http://www.openexoplanetcatalogue.com. (a) Rajan et al. (2017). (b) Samland et al. (2017). (c)The radii of HR 8799 cde are a mean value for the three planets, the radii of which vary between 1 and 1.1 R. (d) Here we assume a planet and star similar in size and temperature to GJ 1214 b, but twice as close to the Solar System as the GJ 1214 system: for every transiting GJ 1214 b-like planet, one may expect up to 10 non-transiting ones, hence at least one at half the distance of the GJ 1214 system. (e)This planet is non-transiting, hence its true radius is unknown. We assumed 1.4 R here. (f) Bonnefoy et al. (2018).

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