The Gaia-ESO Survey: Discovery of a spatially extended low-mass population in the Vela OB2 association

G. G. Sacco, R. D. Jeffries, S. Randich +28

The nearby (distance~350-400 pc), rich Vela OB2 association, includes ${\gamma }^2$ Velorum, one of the most massive binaries in the solar neighbourhood and an excellent laboratory for inv…