Open Access
Table 4.
Adopted values of all major parameters for the studied ST3 systems.
| CD-32 6459 | CD-62 1257 | |||||
|---|---|---|---|---|---|---|
| Orbital parameters | ||||||
| Aa–Ab | A–B | Aa–Ab | A–B | |||
| t0 [BJD−2450000] | 8547.61072(1) | 8654.922092(1) | ||||
| P [days] | 4.02170747(4) | 1372.1218 (a) | 2.714577(2) | 441.615(110) | ||
| a [R⊙] | 14.85(2) | 802(10) | 11.17(3) | 392(14) | ||
| e | 0.221(2) | 0.2688(50) | 0.007(3) | 0.2997(144) | ||
| i [deg] | 85.50(5) | 51.2(5) | 89.4(1) | 73(4) | ||
| ω [deg] | 130.0(4) | 39(2) | 129.5(7) | 218(2) | ||
| q | 0.9324(7) | 0.36(2) | 0.904(1) | 0.64(8) | ||
| Stellar and atmospheric parameters | ||||||
| Aa | Ab | B | Aa | Ab | B | |
| M [M⊙] | 1.4058(7) | 1.3107(9) | 0.97(5) | 1.331(1) | 1.2025(9) | 1.6(2) |
| R [R⊙] | 1.57(1) | 1.44(1) | 0.9(2) (b) | 1.59(2) | 1.43(3) | 1.9(2) |
| Teff [K] | 6674(248) | 6295(244) | 6344(412) | 6729(263) | 6525(262) | 6623(143) |
| log(g) [dex] | 4.209(8) | 4.254(9) | 3.8(5) | 4.17(1) | 4.23(2) | 4.1(1) |
| vsin(i) [km s−1] | 15(2) | 11(3) | 4(4) | 30(2) | 27(2) | 18(1) |
| α [dex] | 0.12(6) | –0.28(1) | 0.0 (a) | 0.00(8) | –0.05(9) | 0.00(5) |
| System parameters | ||||||
| log(age) (b) [dex] | 9.2(2) | 9.39(3) | ||||
| [M/H]iSpec [dex] | –0.25(3) | 0.27(4) | ||||
| [Fe/H]isoc(b) [dex] | –0.1(2) | 0.09(6) | ||||
| E(B − V) (b) [mag] | 0.11(9) | 0.03(2) | ||||
| Distance (b) [pc] | 389(37) | 432(11) | ||||
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