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Fig. 4.

image

Sky distribution of the stars within 1 mas/a in proper motion and 1 mas in parallax around the motion and parallax of the cluster containing β Lyrae, and within 5° angular separation around the position of β Lyrae itself (green cross). The individual star symbols are coloured by the DR2 parallaxes. Four stellar aggregates can be seen, as described in the text.

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