Open Access
Table C.1
Orbital parameters for our 13 UT binary calibrators. Notes: For each parameter, we give the best estimate, which corre sponds to the mode of the posterior distribution, as well as the 68% confidence interval reported by orbitize!. The time of periapsis (tau) is given in units of orbital period from the reference epoch 58849 MJD.
| Parameter | WDSJ00209+1059 | WDSJ00427-3828 | WDSJ04021-3429 | WDSJ05055+1948 | WDSJ05270-6837 |
|---|---|---|---|---|---|
| Semi major-axis [au] | 129.04 | 85.63 | 67.06 | 129.31 | 75.02 |
| [106.06-170.56] | [69.83-116.28] | [63.89-73.90] | [110.61-168.25] | [66.35-92.86] | |
| Eccentricity | 0.51 | 0.42 | 0.41 | 0.42 | 0.79 |
| [0.29-0.64] | [0.11-0.69] | [0.39-0.44] | [0.28-0.54] | [0.61-0.86] | |
| Inclination [deg] | 46.81 | 50.94 | 151.43 | 142.49 | 139.86 |
| [30.48-57.41] | [28.13-59.93] | [147.42-154.93] | [133.10-157.51] | [123.07-156.19] | |
| Arg. of periapsis [deg] | 172.17 | 184.32 | 233.37 | 173.49 | 192.74 |
| [42.91-277.20] | [54.72-322.63] | [56.67-239.50] | [77.06-288.48] | [61.59-263.22] | |
| PA of ascending node [deg] | 218.13 | 181.86 | 185.47 | 170.28 | 165.36 |
| [111.50-303.72] | [14.78-207.47] | [22.29-216.86] | [119.00-332.60] | [47.44-312.61] | |
| Time at periapsis1 | 0.73 | 0.36 | 0.10 | 0.61 | 0.67 |
| [0.63-0.86] | [0.23-0.49] | [0.07-0.13] | [0.50-0.80] | [0.61-0.74] | |
| Parallax [mas] | 5.21 | 6.56 | 21.70 | 6.21 | 12.82 |
| [5.13-5.29] | [6.14-6.97] | [21.64-21.76] | [6.12-6.32] | [12.25-13.40] | |
| Total mass [M⊙] | 5.13 | 5.30 | 2.27 | 3.86 | 1.91 |
| [4.22-6.14] | [4.29-6.33] | [2.10-2.69] | [3.14-4.87] | [1.51-2.54] | |
| Period [yr]] | 653.27 | 339.15 | 362.94 | 733.26 | 460.37 |
| [475.52-1014.43] | [256.56-551.44] | [311.03-434.74] | [575.50-1121.24] | [393.35-659.98] | |
| Parameter | WDSJ06345-1114 | WDSJ06364+2717 | WDSJ08394-3636 | WDSJ10269+1713 | WDSJ10361-2641 |
| Semi major-axis [au] | 83.70 | 33.09 | 26.63 | 38.51 | 37.62 |
| [74.77-104.50] | [31.94-34.36] | [24.78-28.95] | [33.95-43.54] | [37.11-38.16] | |
| Eccentricity | 0.40 | 0.75 | 0.85 | 0.95 | 0.75 |
| [0.31-0.53] | [0.74-0.77] | [0.82-0.88] | [0.94-0.97] | [0.75-0.76] | |
| Inclination [deg] | 60.33 | 110.35 | 99.75 | 61.25 | 127.08 |
| [56.04-64.97] | [109.26-111.38] | [97.63-102.39] | [54.49-65.37] | [126.22-127.94] | |
| Arg. of periapsis [deg] | 183.75 | 275.02 | 145.07 | 180.25 | 218.01 |
| [30.88-338.50] | [95.57-276.11] | [134.24-321.43] | [7.56-343.66] | [40.79-222.77] | |
| PA of ascending node [deg] | 45.38 | 72.25 | 231.70 | 157.85 | 326.13 |
| [35.58-218.41] | [70.47-251.30] | [52.94-234.80] | [147.77-331.28] | [147.94-329.28] | |
| Time at periapsis | 0.74 | 0.17 | 0.49 | 0.62 | 0.54 |
| [0.61-0.84] | [0.16-0.17] | [0.47-0.51] | [0.61-0.63] | [0.54-0.55] | |
| Parallax [mas] | 9.39 | 27.17 | 24.41 | 11.47 | 23.13 |
| [9.22-9.59] | [26.75-27.59] | [24.37-24.45] | [10.19-13.02] | [23.05-23.21] | |
| Total mass [M⊙] | 3.65 | 2.71 | 4.58 | 3.01 | 2.19 |
| [2.79-4.88] | [2.42-3.07] | [3.63-5.93] | [2.09-4.43] | [2.12-2.26] | |
| Period [yr] | 402.94 | 115.51 | 64.25 | 136.87 | 156.05 |
| [307.09-621.42] | [114.71-116.33] | [63.44-65.10] | [134.50-139.54] | [154.80-157.28] | |
| Parameter | WDSJ14077-4952 | WDSJ18516-1719 | WDSJ20399+1115 | ||
| Semi major-axis [au] | 64.50 | 1444.18 | 20.73 | ||
| [59.32-69.08] | [891.20-2878.30] | [16.84-24.96] | |||
| Eccentricity | 0.12 | 0.53 | 0.42 | ||
| [0.08-0.16] | [0.15-0.81] | [0.12-0.68] | |||
| Inclination [deg] | 59.93 | 63.94 | 123.30 | ||
| [57.87-61.25] | [36.50-97.52] | [116.88-138.20] | |||
| Arg. of periapsis [deg] | 197.90 | 195.84 | 209.59 | ||
| [72.88-297.31] | [73.51-319.94] | [59.93-275.48] | |||
| PA of ascending node [deg] | 126.68 | 187.47 | 129.32 | ||
| [122.73-304.13] | [95.11-338.45] | [68.70-264.59] | |||
| Time at periapsis | 0.13 | 0.42 | 0.35 | ||
| [0.04-0.24] | [0.16-0.78] | [0.22-0.62] | |||
| Parallax [mas] | 22.23 | 1.19 | 29.41 | ||
| [22.15-22.30] | [0.80-1.51] | [29.38-29.44] | |||
| Total mass [M⊙] | 2.18 | 2.83 | 1.20 | ||
| [2.09-2.27] | [1.38-4.50] | [0.88-1.99] | |||
| Period [yr] | 349.65 | 34619.21 | 79.56 | ||
| [312.52-388.27] | [16319.45-110043.88] | [57.34-114.14] | |||
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