Table 3
List of unconstrained (or poorly constrained) relevant parameters of the GJ 486 system used in our MASER simulations.
| Parameter | Prior distribution | Units |
|---|---|---|
| Stellar rotation period (Prot) | 𝒩(49.9, 5.5) | Days |
| Cosine of stellar inclination (cos i⋆) | 𝒰(0, 1) | − |
| Stellar rotation phase at start of observations (ϕ⋆,0) | 𝒰(0, 1) | − |
| Dipole field strength of the stellar magnetic field (B⋆) | 𝒰(100, 1000) | Gauss |
| Magnetic obliquity of the stellar magnetic field (β) | 𝒰(0, 90) | Degrees |
| Projected spin-orbit angle (λ) | 𝒰(0, 360) | Degrees |
Notes. For the prior distributions, we either used a normal (𝒩) or uniform (𝒰) distribution. For the normal distribution, the values in brackets are the center and standard deviation, and for the uniform distribution, the values are the minimum and maximum of the distribution. We note that we uniformly sampled the cosine of the stellar inclination, which uniformly scatters the rotation axis on the surface of a sphere (see Kavanagh & Vedantham 2023). We fixed the cone opening angle α to 75° and the cone thickness Δα to 1° in our simulation. We also note that extending the values for i⋆ and β beyond 90° produces symmetric results of those shown in Fig. 7.
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