Poster Open Access

6D structure and dynamics of Vela OB2 with Gaia eDR3

Armstrong, Joseph J.; Wright, N. J.; Jeffries, R. D.; Jackson, R. J.

Editor(s)
Wolk, Scott

We present the first results of analysis of the structure and dynamics of the Vela OB2 association and nearby open clusters using a combination of Gaia eDR3 astrometry and spectroscopic radial velocities. We confirm the youth of sources in our sample using Lithium equivalent widths, identify velocity substructure and estimate rates of expansion for the Vela OB2 association. We find that the expansion of Vela OB2 is significantly anisotropic.

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Publication date:
February 26, 2021
DOI:
10.5281/zenodo.4565572

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10.5281/zenodo.4565572

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Keyword(s):
Stellar systems, clusters, and associations Gaia Dynamics
Meeting:
The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), virtually anywhere, March 2-4, 2021
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License (for files):
Creative Commons Attribution 4.0 International

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