Characterizing planetary systems with SPIRou: Detection of a sub-Neptune in a 6-day period orbit around the M dwarf Gl 410

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Table 6

SPIRou RV time series and GLS periodogram properties.

	Full LBL	\|V_tot\| > 10 km s^–1	LBL wPCA	LBL Wapiti
	Data set	LBL
Time series

Visits	160	121	157	157
<RV> (km s^–1)	–13.898	–13.897	–13.807	–
<σ> (m s^–1)	2.3	2.3	2.2	2.2
rms (m s^–1 )	9.1	6.5	6.8	6.3
GLS periodogram

Gl 410b
P_b (days)	6.02	6.02	6.02	6.02
Norm. power	0.14	0.34	0.22	0.23
FAP^†	2.2 × 10^–2	1.4 × 10^–8	3.5 × 10^–6	1.9 × 10^–6
Candidate signal at 18.7 days
P_c [days]			18.76	18.73
Norm. power			0.14	0.09
FAP^†			0.016	0.8

Notes. ^†FAP levels >10^–5 were calculated using a bootstrap algorithm. FAP levels <10^–5 were calculated with the GLS analytical approximation.

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