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Fig. 5

image

Comparison of the CLV effect between HD 189733b and HD 209458b. Here the calculations are for the Na i D lines (average of D1 and D2). The first row is for HD 189733b and the second row is for HD 209458b. The three columns are for the bandwidths of 0.75Å, 1.5Å and 3.0Å. The green lines are the modelled CLV light curves while the red lines are the Na i absorption light curves, and the black lines are the combination of the two. We note that the y axis scales are different for the two rows: the values for HD 189733b are significantly larger than for HD 209458b.

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