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Caption: Figure 4.
Marginalized posterior distributions on all orbital parameters in diagonal elements, and covariances between them in the off-diagonal elements, with red, blue, and green contours representing 68%, 95%, and 99.7% enclosed probability. Fit orbital parameters are semimajor axis (a, au), eccentricity (e), inclination angle (i, degrees), argument of periastron (ω, degrees), position angle of nodes (Ω, degrees), epoch of periastron passage (T0, decimal years), total mass (Mtot, solar masses), secondary mass (M2, solar masses), system RV (RV0, km s−1), and FEROS RV offset (RVF, km s−1). Also included are the derived quantities of period (P, years) and primary mass (M1, solar masses). Covariances indicate that future astrometric observations that better constrain the semimajor axis will improve the errors on the mass of V343 Nor Aa.
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