Fig. 32

Top panel: cumulative distribution of the total number of sources (upper black solid line) and of the number of YSO contaminants (lower blue dashed line) in the Gaia DR2 catalogue of LPVs as a function of relative parallax uncertainty. Young stellar objects (YSO) are defined as objects lying in the observational diagram below the dashed line shown in Fig. 28. Bottom panel: percentage of the cumulative number of YSOs relative to the cumulative number of all sources as a function of relative parallax uncertainty.
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