Measuring precise radial velocities on individual spectral lines - IV. Stellar activity correlation with line formation temperature

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Table 1

Observational specifications relevant to our analysis.

Target	Sp. type	N_spec	S/N	ΔS	Δ log R′_HK
G1 229	M1V	92	136	0.412	0.115
HD 36003	K5V	78	169	0.124	0.146
HD 85512	K6V	473	182	0.193	0.201
HD 154577	K2.5V	295	169	0.044	0.108
HD 215152	K3V	269	124	0.080	0.150
HD 211038	G9.5IV	68	232	0.003	0.013
HD 192310	K2V	323	309	0.052	0.149
HD 128621	K1V	292	583	0.054	0.163
HD 21693	G9V	194	128	0.035	0.141
HD 56274	G7V	146	145	0.013	0.068
HD 189567	G2V	221	239	0.010	0.050
HD 45184	G2V	166	243	0.017	0.091

Notes. The columns specify the target name, spectral type, number of spectra, median S/N after nightly stacking, span (peak to peak difference) in the S index after smoothing with a 200-day rolling average (see Figs. A.1–A.12), and span in log R'_HK converted from the smoothed S index.

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