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Table 3

Measured depths of the Gaussian fits to the Na I D lines in the transmission spectra for all targets after correcting for the CLV+RM effect with 3D NLTE models.

Planet Transit This work Previous work Reference
D1 (%) D2 (%) D1 (%) D2 (%)
HD 209458b 0.000 ± 0.026 (a) Casasayas-Barris et al. (2021)
WASP-52b T1 1.38 ± 0.35 2.20 ± 0.31
T2 1.31 ± 0.46 0.92 ± 0.44
T3 1.26 ± 0.34 2.94 ± 0.23
coadded 1.25 ± 0.19 1.75 ± 0.32 1.09 ± 0.16 1.31 ± 0.13 Chen et al. (2020)
WASP-76b T1 0.400 ± 0.032 0.443 ± 0.020 0.385 ± 0.051 0.449 ± 0.049 Tabernero et al. (2021)
T2 0.326 ± 0.029 0.316 ± 0.013 0.294 ± 0.042 0.246 ± 0.037 "
coadded 0.376 ± 0.021 0.389 ± 0.022 0.331 ± 0.032 0.319 ± 0.029 "
WASP-127b T1 0.46 ± 0.08 0.64 ± 0.03
T2 0.18 ± 0.06
coadded 0.21 ± 0.05 0.51 ± 0.04 0.34 ± 0.04 (mean of D1 and D2) Allart et al. (2020)

Notes. The long dash is used to denote no previous measurements of individual lines via Gaussian fits. (a)This value is an estimate of the noise level in the Na I D region of the transmission spectrum. Therefore, the upper limit for a 3σ detection is about 0.08%.

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