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Table 2.

Gaussian priors adopted in MCMC posterior inference.

Parameter Mean Std dev Source
α 0.37 mas ( † ) 1
δ 0.38 mas ( † ) 1
d 1.3 kpc 160 pc ( † ) 3
μα 4.8 mas yr−1 1 mas yr−1( † ) 1
μδ −4.4 mas yr−1 0.8 mas yr−1( † ) 1
V = μd d 29.7 km s−1 0.9 km s−1( * ) 2

Notes. ( † )2× the uncertainty reported in the source. ( * )1× the uncertainty reported in the source.

References. (1) Gaia DR2 (Lindegren et al. 2018); (2) Kaplan et al. (2014); (3) Ransom et al. (2014).

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