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Table 4.

Parallax measurements.

ϖ [mas] Instrument Reference
−0.001 ± 0.105 Gaia astrometry 1, 2
0.166 ± 0.060 VLBA astrometry 3

ϖ [mas] Distance [kpc] Method Reference

0.164 ± 0.016 6.1 ± 0.6 Light-echo polarimetry 4
0.182 ± 0.019 5.5 ± 0.6 Distance estimator 3
0.181 ± 0.018 5.5 ± 0.6 Distance estimator+VLBA 3
0.169 ± 0.011 5.9 ± 0.4 Distance estimator+VLBA+light echo+Gaia 3

References. (1) Gaia Collaboration (2018); (2) Bailer-Jones et al. (2018); (3) this work; (4) Sparks et al. (2008).

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