Assessing membership projection errors in star forming regions
Timothé Roland,
Christian M. Boily,
Laurent Cambrésy
Abstract:Context. Young stellar clusters harbour complex spatial structures emerging from the star formation process. Identifying stellar overdensities is a key step in better constraining how these structures are formed. The high accuracy of distances derived from Gaia DR2 parallaxes still do not allow us to locate individual stars within clusters of ≈ 1 pc in size with certainty. Aims. In this work, we explore how such uncertainty on distance estimates can lead to the misidentification of membership of subclusters se… Show more
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