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Table C.1

Stellar ages derived in this work and used to infer the stellar coronal iron abundance.

Name Teff [K] Rs [R] [Fe/H] age [Gyr]
WASP-80 4150±100 0.586±0.018 0.14±0.161 1.6±2.3
HD209458 6065±50 1.178±0.009 0.00±0.051 4.0±0.8
HD189733 5040±50 0.78±0.02 0.03±0.081 7.4±2.7
WASP-107 4425±70 0.67±0.02 0.02±0.092 5.1±3.2
WASP-69 4700±50 0.818±0.025 0.15±0.081 7.6±4.0
GJ436 3479±60 0.449±0.019 0.02±0.203 4.5±3.4
KELT9 9600±400 2.418±0.058 0.14±0.304 0.34±0.14
GJ3470 3652±50 0.48±0.04 0.20±0.105 1.1±1.6
GJ9827 4340±50 0.647±0.08 −0.26±0.096 4.5±4.4
HAT-P-11 4780±50 0.769±0.048 0.31±0.057 9.0±2.6
HAT-P-18 4803±80 0.73±0.04 0.10±0.081 5.2±2.3
55 Cnc 5196±24 0.95±0.08 0.31±0.048 12.3±1.6
GJ1214 3250±100 0.221±0.004 0.10±0.109 >3
HD63433 5640±74 0.912±0.034 0.07±0.1010 2.1±1.9
WASP-12 6250±100 1.57±0.25 0.32±0.121 2.3±0.6
Trappist-1 2559±50 0.117±0.004 0.04±0.0811 >0.5
WASP-76 6316±64 1.77±0.07 0.34±0.0512 2.2±0.2
HAT-P-32 6269±64 1.219±0.016 −0.04±0.0813 2.6±0.9
WASP-52 5000±100 0.79±0.02 0.03±0.1214 7.3±4.0
WASP-177 5017±70 0.885±0.046 0.25±0.0415 7.4±4.5
HAT-P-26 5079±88 0.788±0.071 −0.04±0.0816 7.1±4.2
NGTS-5 4987±41 0.739±0.013 0.12±0.1017 2.0±1.5
WASP-127 5620±85 1.39±0.03 −0.18±0.0618 12.5±0.4
HD97658 5212±43 0.728±0.008 −0.23±0.0319 4.4±2.2
TOI560 4511±110 0.65±0.02 0.00±0.0920 2.1±2.0
TOI1430 5067±60 0.784±0.016 −0.08±0.1321 9.1±2.5
TOI1683 4539±100 0.636±0.024 0.00±0.1522 1.7±1.8
TOI2076 5200±70 0.762±0.016 −0.07±0.1321 1.6±1.7
TOI1807 4730±75 0.690±0.036 −0.04±0.0223 5.0±2.6
V 1298 Tau 5050±100 1.278±0.070 0.10±0.1524 0.011±0.033

Notes. The stellar effective temperature and metallicity have the same sources (already reported in Table A.1 and reiterated here for convenience), while the sources of the stellar radius are listed in Table A.1. The stellar ages listed in the last column were derived with the isochrone placement algorithm (see Sect. 5.1) except for GJ1214 and Trappist-1 for which the lower limits come from Berta et al. (2011) and Filippazzo et al. (2015), respectively. We note that the [Fe/H] given here is the photospheric iron abundance relative to solar and not the iron coronal abundance. References: 1. Bonomo et al. (2017); 2. Piaulet et al. (2021); 3. Lanotte et al. (2014); 4. Borsa et al. (2019); 5. Kosiarek et al. (2019); 6. Rice et al. (2019); 7. Bakos et al. (2010); 8. von Braun et al. (2011); 9. Gillon et al. (2014); 10. Turnbull (2015); 11. Gillon et al. (2017); 12. Tabernero et al. (2021); 13. Zhao et al. (2014); 14. Hébrard et al. (2013); 15. Turner et al. (2019); 16. Hartman et al. (2011); 17. Eigmüller et al. (2019); 18. Lam et al. (2017); 19. Ellis et al. (2021); 20. Barragán et al. (2022); 21. Bochanski et al. (2018); 22. Assumption, because no [Fe/H] estimate is available in the literature; 23. Nardiello et al. (2022); 24. Suárez Mascareño et al. (2021).

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