The GAPS programme at TNG - XXIII. HD 164922 d: close-in super-Earth discovered with HARPS-N in a system with a long-period Saturn mass companion

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Table 4

Summary of the results of the kernel regression (KR) technique on the HARPS-N RV residuals of the three-planets fit as function of time and of activity indicators.

Season	BJD - 2 450 000	Best index	σ	σ_{KR res}
			[m s⁻¹]	[m s⁻¹]
1	<6660	BIS	2.49	1.08

2	6660–7000	V_asy(mod)	1.46	0.75

3	7000–7350	BIS	2.09	0.89

4	7350–7750	log	2.39	1.0

5	7750–8100	BIS	3.27	1.29

6	>8100	log	1.41	0.45

Notes. The index showing a better correlation is reported for each observing season together with the RV dispersion before (σ) and after (σ_{KR res}) the correction.

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