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

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Table 5

Estimated signal as a percentage of the stellar flux, for both light curve (LC) and division (Div.) approaches, compared to the measurments by Zhou & Bayliss (2012), Wood et al. (2011), Sing et al. (2016) and Sedaghati et al. (2016).

Passband (Å)	0.75	1	1.5	3	5	50
This work (LC)	0.74 ± 0.54	0.55 ± 0.43	0.40 ± 0.29	0.19 ± 0.15
This work (Div.)	0.46 ± 0.29	0.34 ± 0.20	0.22 ± 0.12	0.12 ± 0.06
Zhou & Bayliss			0.58 ± 0.13
Wood et al.	1.46 ± 0.017		0.55 ± 0.13	0.49 ± 0.09
Sing et al.					0.33 ± 0.18
Sedaghati et al.						0.10 ± 0.09
1/x	0.74 ± 0.54	0.55 ± 0.41	0.37 ± 0.026	0.18 ± 0.13	0.11 ± 0.08	0.01 ± 0.01

Notes. The last row roughly shows the expected absorption signal, considering the relation of for the absorption as a function of passband and using our measurement at 0.75 Å (LC) as the narrowest absorption band.

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