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Communication Dans Un Congrès Année : 2019

The shape of nearby Open Clusters

Y. Tarricq
L. Casamiquela
C. Soubiran

Résumé

We use new memberships from Gaia DR2 to investigate the shape of the nearest open clusters. We investigate their 2D distribution projected on the sky and fit two gaussians components on the central part and external envelope. For open clusters closer than 200 pc from the Sun, we fit 3D ellipsoids on the spatial distribution of the members. We look for correlations of the spatial properties with age and galactic environment.
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Dates et versions

hal-02165916 , version 1 (26-06-2019)

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Y. Tarricq, L. Casamiquela, C. Soubiran. The shape of nearby Open Clusters. 53rd ESLAB Symposium: The Gaia Universe, held 8-12 April, 2019 at ESTEC/ESA, Noordwijk, The Netherlands. Online 2019, id.36, Apr 2019, Noordwijk, Netherlands. pp.id.36, ⟨10.5281/zenodo.2838831⟩. ⟨hal-02165916⟩

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