Open Access
Table 2.
Orbital parameters of the binary and tertiary orbit obtained by RV modelling.
| Parameters | CD32 | CD62 | CD58 | BD11 |
|---|---|---|---|---|
| Binary orbit | ||||
| PA [d] | 4.0217043(20) | 2.7147422 (a) | 3.5519749(47) | 3.6049188(63) |
| TpA [BJD−2450000] | 5917.6859(40) | 6952.0938(13) | 8385.0959(3920) | 2448.3527(64) |
| eA | 0.2276(12) | 0 (a) | 0.00028(22) | 0 (a) |
| ωA [deg] | 128.45(30) | 0 (a) | 161.46(39.41) | 0 (a) |
| KAa [km/s] | 92.27(26) | 98.75(36) | 86.11(31) | 94.90(14) |
| KAb [km/s] | 98.97(13) | 109.29(41) | 93.86(38) | 93.43(12) |
| aAsin iA [R⊙] | 14.807(23) | 11.166(30) | 12.639(34) | 13.423(13) |
| γA [km/s] | 1.58(20) | –23.35(36) | –9.12(13) | 5.31(10) |
| Tertiary orbit | ||||
| PAB [d] | 1372.1218 (a) | 441.615(110) | 76.319(169) | 168.581(305) |
| TpAB [BJD−2450000] | 5237.44(6.4) | 5866.33(2.79) | 5414.62(10.05) | 5340.47(15.05) |
| eAB | 0.2688(50) | 0.2997(144) | 0.2148(96) | 0.0250(209) |
| ωAB [deg] | 38.89(1.67) | 217.57(1.91) | 232.97(3.06) | 359.22(36.28) |
| KA [km/s] | 6.28(18) | 17.48(96) | 16.20(18) | 8.20(15) |
| KB [km/s] | 17.65(08) | 27.47(64) | – | – |
| aABsin iAB [R⊙] | 625.44(6.610) | 374.49(10.13) | – | – |
| γAB [km/s] | 1.45(7) | –24.76(23) | – | – |
| Mass estimates | ||||
| MAasin3iA [M⊙] | 1.3928(6) | 1.3305(11) | 1.1190(100) | 1.2377(36) |
| MAbsin3iA [M⊙] | 1.2986(8) | 1.2023(9) | 1.0266(84) | 1.2573(40) |
| MAsin3iAB [M⊙] | 1.2846(247) | 2.2058(1511) | – | – |
| MBsin3iAB [M⊙] | 0.4576(201) | 1.4045(1437) | – | – |
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