Detection of He I λ10830 Å absorption on HD 189733 b with CARMENES high-resolution transmission spectroscopy

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Table 2

Observing details.

Night	Date	Proposal ID	Principal	Calar Alto	No. of	S/N^b at	Pre-/post-	Mid-transit time
			investigator	Archive ID	spectra^a	10830 Å	transit (h)	(BJD TDB)
1	2016-08-08	H16-3.5-024	P. J. Amado	246903-246952	45 (1/1)	160	1.0 / 1.0	2457609.51891
2	2016-09-17	H16-3.5-024	P. J. Amado	249745-249798	50 (4/2)	210	2.3 / 1.2	2457649.45326
3	2017-09-07	H16-3.5-022	J. A. Caballero	263103-263156	46 (1/1)	240	1.7 / 1.0	2458004.42529

Notes. ^(a) Number of spectra neglected at the beginning and end of the night in parentheses. ^(b) One divided by the nightly average standard deviation of the residual spectra in the continuum surrounding the He I λ 10830 Å lines.

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