ATREIDES - II. Detection of a polar orbit for HAT-P-26 b, a fluffy planet in the Neptunian ridge

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Table 4

Results for the joint fits to intrinsic profile time series.

Model	λ (°)	v_eq sin i_⋆ (km/s)	R_* (R_⊙)	P_eq (days)	ψ(ψ_combined)(°) ^a	i_* (°) ^a	BIC
G1: SB	$- 76_{- 14}^{+ 11}$ $Mathematical equation: ${-}76_{-14}^{+11}$$	${0.28}_{- 0.09}^{+ 0.09}$ $Mathematical equation: $0.28_{-0.09}^{+0.09}$$	–	–	–	–	15 484
G2: SB + P_rot	$- 78_{- 13}^{+ 13}$ $Mathematical equation: ${-}78_{-13}^{+13}$$	${0.29}_{- 0.09}^{+ 0.11}$ $Mathematical equation: $0.29_{-0.09}^{+0.11}$$	${0.87}_{- 0.12}^{+ 0.09}$ $Mathematical equation: $0.87_{-0.12}^{+0.09}$$	$68_{- 8}^{+ 12}$ $Mathematical equation: $68_{-8}^{+12}$$	$\begin{aligned} ψ^{N} = 84_{- 5}^{+ 5} (85_{- 5}^{+ 5}) \\ ψ^{S} = 86_{- 5}^{+ 5} (85_{- 5}^{+ 5}) \end{aligned}$ $Mathematical equation: \begin{split} $\psi^{\rm N}=84_{-5}^{+5} (85_{-5}^{+5})$ \\ $\psi^{\rm S}=86_{-5}^{+5} (85_{-5}^{+5})$ \end{split}$	$\begin{aligned} 25_{- 12}^{+ 12} \\ 155_{- 12}^{+ 12} \end{aligned}$ $Mathematical equation: \begin{split} $25_{-12}^{+12}$ \\ $155_{-12}^{+12}$ \end{split}$	15 506

Notes. ^(a)MCMC samples folded over the northern (cos i_⋆ < 0) and southern (cos i_⋆ > 0) configurations to obtain i_⋆^N, ψ^N and i_⋆^S, ψ^S, respectively.

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