The atmosphere of WASP-17b: Optical high-resolution transmission spectroscopy

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Table 3

Best-fit values for the model parameters obtained from the Na D₁ and Na D₂ excess light curves in the three integration bands.

Passband (Å)	σ_Na (Å)	A_Na	Offset
0.75	0.128 ± 0.078	0.017 ± 0.009	0.007 ± 0.001
1	0.054 ± 0.040	0.034 ± 0.025	0.005 ± 0.001
1.5	0.077 ± 0.074	0.031 ± 0.029	0.002 ± 0.001
3	0.036 ± 0.061	0.054 ± 0.067	0.001 ± 0.001

Notes. As a reminder, here σ_Na is the width of the exoplanetary Gaussian profile, A_Na is the amplitude of the exoplanetary Gaussian profile, and offset is the normalization constant.

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