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 E.3

Orbital parameters and planet physical properties derived from a RadVel MCMC two-planet in circular orbit model of the SPIRou wPCA data.

SPIRou wPCA	Gl 410b	candidate signal at 18.7 days
Orbital parameters
P [days]	6.019 ± 0.004	18.76 ± 0.03
K [m s^–1]	4.1 ± 0.6	3.5 ± 0.7
T peri [JD]	59646.57 ± 0.16	59647.52 ± 0.55
Planet parameters
M sin(i) [M_⊕]	7.9 ± 1.2	9.8 ± 1.8
a [au]	0.0531 ± 0.0007	0.113 ± 0.001

Notes. Epochs given in JD - 2400000.0. The value of the uncorrelated noise σ_SPIRou retrieved is 5.1 ± 0.4 m s^–1.

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