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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