SIMBAD references

2018MNRAS.481L..11B - Mon. Not. R. Astron. Soc., 481, L11 (2018/November-3)

A sextet of clusters in the Vela OB2 region revealed by Gaia.

BECCARI G., BOFFIN H.M.J., JERABKOVA T., WRIGHT N.J., KALARI V.M., CARRARO G., DE MARCHI G. and DE WIT W.-J.

Abstract (from CDS):

Using Gaia DR2 data, combined with OmegaCAM ground-based optical photometry from the Accretion Disc with OmegaCAM survey, and detailed radial velocity measurements from ESO-Gaia, we analyse in detail a 10 x 5 deg region around the Wolf-Rayet Star γ2 Vel, including the previously known clusters Gamma Vel and NGC2547. Using clustering analysis that considers positions, proper motions, and parallax, we discover six clusters or associations - four of which appear new. Analysis of the colour-magnitude diagram for these clusters shows that four of them formed coevally from the same molecular clouds 10 Myr ago, while NGC 2547 formed together with a newly discovered cluster 30 Myr ago. This study shows the incredible wealth of data provided by Gaia for the study of young stellar clusters.

Abstract Copyright: 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: formation - stars: pre-main-sequence - open clusters and associations

Nomenclature: Table 1: [BBJ2018] N (Nos 1-6).

Simbad objects: 9

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2020.01.29-01:14:30

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