The star HIP 41378 potentially misaligned with its cohort of long-period planets

Open Access

Table 1

Best-fitting main orbital parameters.

Parameter	Values	Description
R_*	1.299 ± 0.002	Stellar radius (R_⊙)
R_p/R_*	0.0666 ± 0.0001	Radius ratio
b	0.18 ±0.01	Impact parameter
T₀	57 186.9146 ± 0.0002	Mid-transit time transit (BJD - 2 400 000)
t_0,RM	59 897.0199 ±0.0009	Mid-transit time RM (BJD - 2 400 000)
P_f	${542.0797}_{- 0.0002}^{+ 0.0001}$ $542.0797_{ - 0.0002}^{ + 0.0001}$	Orbital period (days)
λ	21 ± 8	Sky-projected stellar obliquity (deg)
a/R_*	${230.12}_{- 0.37}^{+ 0.35}$ $230.12_{ - 0.37}^{ + 0.35}$	Scaled semi-major axis
P_rot	7.8 ± 1.0	Stellar rotation period (days)
i_*	$42_{- 7}^{+ 6}$ $42_{ - 7}^{ + 6}$	Stellar inclination (deg)
υ_eq sin(i_*)	5.6 ± 0.3	Projected rotational velocity (km s^–1)
υ_eq	${8.4}_{- 0.8}^{+ 1.4}$ $8.4_{ - 0.8}^{ + 1.4}$	Equatorial velocity (km s^–1)
ψ	52 ± 6	True obliquity (deg)

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