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Table 2.

Maximum likelihood and Kalkayotl estimates for the distances.

Group Outlier exclusion:
ML parallax ML distance
Kalkayotl distance
Fore- Back- ϖML DML 2σ-range DKal Central 68.3% quant.
ground [mas] [kpc] [kpc]
Carina Neb. 3σ 1 2 0.42440 ± 0.00153 2.356 [2.339, 2.373] 2.367 [2.312, 2.422]
OB stars 2σ 4 4 0.42444 ± 0.00155 2.356 [2.339, 2.373] 2.367 [2.312, 2.421]
(N = 133) 1σ 6 11 0.42548 ± 0.00157 2.350 [2.333, 2.368] 2.363 [2.307, 2.418]

NGC 3324 3σ 0 0 0.43745 ± 0.00733 2.286 [2.212, 2.365] 2.321 [2.250, 2.393]
OB stars 2σ 1 0 0.43585 ± 0.00735 2.294 [2.219, 2.374] 2.338 [2.268, 2.410]
(N = 5) 1σ 1 0 0.43585 ± 0.00735 2.294 [2.219, 2.374] 2.338 [2.268, 2.410]

NGC 3293 3σ 1 1 0.42523 ± 0.00178 2.352 [2.332, 2.372] 2.354 [2.299, 2.410]
OB stars 2σ 2 2 0.42531 ± 0.00178 2.351 [2.332, 2.371] 2.356 [2.299, 2.412]
(N = 99) 1σ 3 3 0.42471 ± 0.00179 2.355 [2.335, 2.375] 2.357 [2.301, 2.414]

All 3σ 2 3 0.42506 ± 0.00115 2.353 [2.340, 2.365] 2.363 [2.308, 2.417]
OB stars 2σ 7 6 0.42509 ± 0.00115 2.352 [2.340, 2.365] 2.363 [2.309, 2.418]
(N = 237) 1σ 10 14 0.42542 ± 0.00117 2.351 [2.338, 2.364] 2.362 [2.308, 2.416]

CCCP 3σ 906 217 0.43097 ± 0.00065 2.320 [2.313, 2.327] 2.337 [2.284, 2.391]
X-ray 2σ 1171 577 0.43015 ± 0.00067 2.325 [2.318, 2.332] 2.336 [2.281, 2.389]
(N = 8505) 1σ 1908 1523 0.43005 ± 0.00069 2.325 [2.318, 2.333] 2.330 [2.276, 2.384]

NGC 3324 3σ 61 13 0.42329 ± 0.00278 2.362 [2.332, 2.394] 2.348 [2.289, 2.407]
X-ray 2σ 76 29 0.42145 ± 0.00282 2.373 [2.341, 2.405] 2.358 [2.301, 2.416]
(N = 455) 1σ 113 64 0.42282 ± 0.00300 2.365 [2.332, 2.399] 2.361 [2.304, 2.418]

NGC 3293 3σ 58 10 0.43130 ± 0.00216 2.319 [2.296, 2.342] 2.346 [2.290, 2.402]
X-ray 2σ 73 32 0.43165 ± 0.00217 2.317 [2.294, 2.340] 2.342 [2.286, 2.398]
(N = 602) 1σ 121 90 0.43073 ± 0.00222 2.322 [2.298, 2.346] 2.342 [2.287, 2.398]

All 3σ 1025 240 0.43063 ± 0.00061 2.322 [2.316, 2.329] 2.338 [2.286, 2.391]
X-ray 2σ 1320 638 0.42985 ± 0.00062 2.326 [2.320, 2.333] 2.336 [2.282, 2.390]
(N = 9562) 1σ 2142 1677 0.42977 ± 0.00065 2.327 [2.320, 2.334] 2.331 [2.279, 2.384]

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