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About the cluster data and cluster members in the article Investigating 56 High Galactic Latitude Open Cluster Candidates in Gaia DR3

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NIAID Data Ecosystem2026-05-01 收录
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https://zenodo.org/record/10622950
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Using Gaia DR3 data, we revisit 56 high Galactic latitude (|b| ⩾ 30◦ ) open cluster (OC) candidates that those exhibit with poor shapes of color-magnitude diagrams (CMDs), including unclear and paired main sequences. We aim to confirm their physical reality, and to explore whether the special MS morphology is intrinsic to genuine OCs. Initially, we re-determine cluster memberships by integrating five outlier detection algorithms into the pyUPMASK. However, this work fails to reproduce the 56 clusters and instead reveal six non-duplicates. To ascertain whether these six clusters are real OCs, we build synthetic CMDs to derive reliable cluster properties, including fundamental parameters, binary fraction, and the total mass of the cluster. Subsequently, we investigate structure parameters, relationships between mass and age, as well as mass and radius, for the six candidate OCs. Finally, we utilize a multidimensional approach, incorporating spatial structure, cluster properties, kinematic attributes, and CMD verification, to further assess their physical reality as genuine OCs. Our resultsindicate that the six candidates should be physical OCs, exhibiting well-defined CMD characteristics. Moreover, we discover two of the six OCs as potential binary clusters.member.rar contains the members of these six clusters, and some parameters of the clusters in cluster.csv.
创建时间:
2024-03-01
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