Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) - II. A broadened sodium feature on the ultra-hot giant WASP-76b

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Table 7

Relative depth and detection level of atmospheric sodium on WASP-76b observed with HARPS for each of the nights separately in the 2 × 0.75 Å central passband.

	Date	Abs. depth (%)	σ
Night 1	2012-11-11	0.419 ± 0.078	5.46
Night 2	2017-10-24	0.361 ± 0.060	6.06
Night 3^a	2017-11-22	0.362 ± 0.045	8.02

Night 3^b	2017-11-22	0.201 ± 0.045	4.51

Notes. ^(a) Excluding all data after planet transit for Night 3 (2017-11-22). The baseline of the specified night was created from the data obtained before the transit. ^(b) Including all datapoints obtained during Night 3.

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