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Table 2

Updated spectroscopic orbital parameters of IRAS08544-4431.

Parameter Value
Orbital period P (days) 506.0 ± 1.3
Eccentricity e 0.22 ± 0.02
Argument of periastron ω (rad) 0.73 ± 0.11
Time of periastron passage T0 (MJD) 51466 ± 9
Velocity semi-amplitude K (km s−1) 8.7 ± 0.2
Systemic velocity γ (km s−1) 62.2 ± 0.1
Primary semi-major axis a1 sin(i) (au) 0.39 ± 0.01
Mass function f(m) (M) 0.031 ± 0.002

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