The GAPS programme at TNG - LX. Atmospheric characterisation of KELT-9 b via single-line analysis: Detection of six H I Balmer lines, Na I, Ca I, Ca II, Fe I, Fe II, Mg I, Ti II, Sc II, and Cr II

Open Access

Table 1

HARPS-N observing log.

Night	Date	Programme	P.I.	Spectra (in/out of transit)	Mean S/N ^(a)	Exposure time (s)	Airmass
1	2017-07-31	A35DDT4	Ehrenreich	49 (24/25)	137	600	1.019–1.730
2	2018-06-10	GAPS	Micela	36 (23/13)	123	600	1.019–2.164
3	2018-07-20	OPT18A_38	Ehrenreich	46 (23/23)	120	600	1.019–1.675
4	2018-07-23	GAPS	Micela	68 (44/24)	79	300	1.019–1.535
5	2018-09-01	GAPS	Micela	57 (44/13)	99	300	1.019–1.800
6	2018-09-04	GAPS	Micela	64 (44/20)	87	300	1.019–1.426

Notes. ^(a)The mean S/N has been computed as the average of all the orders of all the spectra for each night. We show the S/N as a function of wavelength in Fig. A.1.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.