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Table 5
Orbital parameters and dynamical mass of HD 19467B.
Parameter | Unit | Median ± 1σ | Best fit |
---|---|---|---|
Fitted parameters | |||
Semi-major axis a | mas | 1699![]() |
1416 |
![]() |
−0.32 ± 0.06 | −0.34 | |
![]() |
−0.67![]() |
−0.72 | |
Inclination i | ° | 129.8![]() |
137.2 |
PA of asc. node Ω | ° | 134.8 ± 4.5 | 134.1 |
Time periastron T0 | BJD | 2 512 264![]() |
2 498 964 |
RV semi-ampl. κA | m s−1 | 259![]() |
245 |
Parallax π | mas | 31.22 ± 0.12 | 31.25 |
SMA primary a1 | mas | 118![]() |
89 |
RV offset ZPHARPS | m s−1 | 12.8 ± 0.7 | 13.1 |
RV offset ZPHIRES | m s−1 | −4.0 ± 0.9 | −3.7 |
RV jitter σHARPS | m s−1 | 1.49![]() |
1.39 |
RV jitter σHIRES | m s−1 | 3.9![]() |
3.9 |
Sep. scaling fρNIRC2 | 0.9955![]() |
0.9947 | |
PA offset ΔPANIRC2 | ° | 0.16 ± 0.31 | 0.31 |
PA offset ΔPANaCo | ° | −0.74 ± 0.53 | −1.23 |
Computed parameters | |||
M1 | M⊙ | 0.95 ± 0.02 | 0.94 |
M2 | MJ | 74![]() |
66 |
Mass ratio M2/M1 | 0.074![]() |
0.067 | |
Period P | yr | 398![]() |
304 |
Semi-major axis a | au | 54 ± 9 | 45 |
Eccentricity e | 0.56 ± 0.09 | 0.64 | |
Arg. periastron ω | ° | 64.2![]() |
64.5 |
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