Gaia Data Release 2
Free Access

Fig. 3

image

PDF of ρ = 1∕ϖ in two extreme cases. The red vertical line indicates the true distance r. Left: object at r = 100 pc with an uncertainty on the observed parallax of σϖ = 0.3 mas. Right: object at r = 2000 pc with an uncertainty on the observed parallax of σϖ = 0.3 mas.

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