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Fig. 2.

image

Result of the TGAS parallax selection for Blanco 1 proper motion-selected stars. The final weighted mean TGAS parallax for Blanco 1 is 4.15 mas. The orange outline illustrates the stars with 3σ errors consistent with the mean parallax; these stars are the TGAS astrometrically-selected candidates of Blanco 1.

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