Table B.1
Properties of atomic absorption features detected in transmission spectra of ultra-hot Jupiters.
| HAT-P-70b | KELT-9b | MASCARA-2b | MASCARA-4b | WASP-76b | WASP-121b | WASP-189b | |
|---|---|---|---|---|---|---|---|
| Rp/R* | 0.099 | 0.082 | 0.113 | 0.087 | 0.109 | 0.125 | 0.061 |
| Teq (K) | 2562 ± 52 | 3921 ± 182 | 2260 ± 50 | 2250 ± 62 | 2228 ± 120 | 2358 ± 52 | 2641 ±31 |
| T* (K) | 8450 ± 690 | 9600 ± 400 | 8980 ± 130 | 7800 ± 200 | 6329 ± 65 | 6586 ± 59 | 8000 ± 100 |
| Rp (RJup) | 1.87 ±0.15 | 1.926 ±0.047 | 1.83 ±0.07 | 1.515 ±0.044 | 1.863 ± 0.083 | 1.865 ± 0.044 | 1.619 ±0.021 |
| Mp (MJup) | < 6.78 | 2.88 ± 0.35 | < 3.5 | 1.675 ±0.241 | 0.894 ± 0.014 | 1.183 ±0.064 | 1.99 ±0.16 |
| H0 (km) | > 184 | 704 ± 95 | > 302 | 430 ± 66 | 1206 ± 102 | 967 ± 65 | 485 ±40 |
| h Hα (%) | 1.560 ±0.150 | 1.150 ±0.050 | 0.765 ± 0.090 | -0.317 ±0.021 | < 0.470 | 1.700 ± 0.048 | 0.13 ±0.02 |
| FWHM Hα(km s−1) | 34.1 ±3.9 | 51.2 ±2.6 | 20.8 ± 3.4 | 31.4 ±2.4 | - | 40.9 ± 1.7 | 27.4 ± 4.6 |
| h Fe I (%) | 0.037 ± 0.003 | 0.016 ± 0.001 | 0.013 ± 0.002 | 0.0150 ±0.0001 | 0.049 ± 0.003 | 0.039 ± 0.002 | 0.0075 ± 0.0004 |
| FWHM Fe I (km s−1) | 9.7 ± 1.0 | 20.1 ± 1.0 | 12.39 ± 1.69 | 22.5 ± 0.2 | 8.6 ± 0.7 | 15.9 ± 1.1 | 15.3 ± 1.0 |
| A Fen (%) | 0.437 ± 0.017 | 0.183 ±0.004 | 0.130 ±0.011 | 0.0444 ±0.0011 | < 0.063 | - | 0.023 ± 0.002 |
| FWHM Fe II (km s−1) | 13.7 ±0.6 | 21.8 ±0.7 | 8.54 ± 0.87 | 16.5 ± 0.4 | - | - | 14.1 ± 1.2 |
| h Na I D(%) | 0.655 ±0.150 | > 0.095 ± 0.007 | 0.320 ± 0.050 | 0.191 ±0.017 | 0.360 ± 0.050 | 0.480 ± 0.047 | 0.153 ±0.031 |
| h Mg I (%) | 0.131 ±0.018 | 0.056 ± 0.005 | 0.062 ± 0.005 | 0.0221 ± 0.0009 | 0.114 ±0.016 | 0.123 ±0.015 | 0.018 ±0.002 |
| h Ca II(%) | 3.750 ± 0.370 | 0.780 ± 0.040 | 0.560 ±0.050 | 0.775 ± 0.082 | 2.440 ± 0.340 | 4.700 ±0.180 | 0.40 ± 0.05 |
| References | (1),(2) | (3)–(10) | (11)–(15) | (16)–(18) | (19)–(24) | (25)–(28) | (29)–(31) |
Notes. For the calculation of the lower atmosphere scale height H0, we assume a mean molecular weight µ of 2.3. The amplitude of Na I absorption (h Nal D) takes the average value of the Nal doublet at 5891 and 5897 A. The h Can takes the average value of the Can H & K lines at 3969 and 3934 A. Properties of Mg I, Fe I, and Fe π are taken from cross-correlation outcomes.
References. (1) Zhou et al. (2019), (2) Bello-Arufe et al. (2022), (3) Gaudi et al. (2017), (4) Yan & Henning (2018), (5) Cauley et al. (2019), (6) Borsa et al. (2019), (7) Hoeijmakers et al. (2019), (8) Yan et al. (2019), (9) Turner et al. (2020), (10) Wyttenbach et al. (2020), (11) Talens et al. (2018), (12) Casasayas-Barris et al. (2020), (13) Hoeijmakers et al. (2020a), (14) Nugroho et al. (2020), (15) Stangret et al. (2020), (16) Dorval et al. (2020), (17) Ahlers et al. (2020), (18) this work, (19) West et al. (2016), (20) Ehrenreich et al. (2020), (21) Tabernero et al. (2021), (22) Seidel et al. (2021), (23) Casasayas-Barris et al. (2021), (24) Kesseli et al. (2022), (25) Delrez et al. (2016), (26) Cabot et al. (2020), (27) Hoeijmakers et al. (2020b), (28) Borsa et al. (2021), (29) Anderson et al. (2018), (30) Prinoth et al. (2022), (31) Stangret et al. (2022).
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