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Table 4

Summary of the Gaussian fit parameters and absorption depths for WASP-49b in the planetary and stellar rest frames.

Na i line(s) D2 D1 D1 + D2

Planet frame
Contrast [%] 1.99 ± 0.49 1.83 ± 0.65 1.87 ± 0.41
FWHM [km s-1] 21.3 ± 4.9 11.1 ± 4.3 15.0 ± 3.6
μ [km s-1] –4.3 ± 4.8 0.8 ± 4.2 –1.7 ± 1.6
δEMC [%] 1.62 ± 0.44 1.13 ± 0.44 1.38 ± 0.31
(S/N)δ 3.7 2.6 4.5

Stellar frame
Contrast [%] 2.69 ± 0.80 8.33 ± 1.92 3.85 ± 0.85
FWHM [km s-1] 16.1 ± 3.5 4.8 ± 1.2 6.9 ± 1.6
μ [km s-1] –0.8 ± 1.4 0.1 ± 0.4 0.5 ± 0.4
δEMC [%] 1.38 ± 0.38 0.10 ± 0.36 0.71 ± 0.26
(S/N)δ 3.6 0.3 2.7

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