Table 4
Measured relative absorption depth in [%] in the transmission spectra of HD 189733b and WASP-69b omitting steps in the reduction process, for a 1.5 Å bandwidth.
| Omitted correction | |||||
|
|
|||||
| Result|| | Telluric Na∗ | BERV in telluric lines† | RM induced RV‡ | CLV+RM effects§ | |
|
|
|||||
| HD 189733b | 0.104 ± 0.017 | − ¶ | 0.185 ± 0.018 | 0.196 ± 0.017 | 0.188 ± 0.017 |
| WASP-69b | 0.529 ± 0.142 | 0.628 ± 0.139 | 0.467 ± 0.142 | 0.492 ± 0.143 | 0.584 ± 0.142 |
Notes. Both D2 and D1 Na I lines are averaged for HD 189733b, and only the D2 line is used for WASP-69b. (||) Measured absorption depth in the final transmission spectra following all the presented steps. (∗) No telluric Na subtraction. (†) The BERV consideration in the telluric line subtraction. (‡) RM induced RV consideration in the stellar line alignment. (§) Correction of the line’s shape caused by CLV and RM effects. (¶) No telluric Na is observed in HD 189733 spectra.
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