Field ZAMS stars in the solar neighborhood: Where have they come from ?

Details Field ZAMS stars in the solar neighborhood: Where have they come from ? Field ZAMS stars in the solar neighborhood: Where have they come from ?

2003-03-14

arxiv.org/abs/astro-ph/0303326v1

Mon.Not.Roy.Astron.Soc. 342 (2003) 1021

Astronomy and Astrophysics

Astrophysics

5 pages, 2 colour figures, accepted for publication in MNRAS

Scientific paper

10.1046/j.1365-8711.2003.06607.x

In the course of an all-sky survey for young stars in the solar neighborhood we have found a tight kinematic group of ten F-G type zero-age main sequence stars in the field. Here we discuss the origin of these stars. Backtracking the space motions of these stars we argue that likely candidates for the parent association are the Perseus OB3 (Per OB3), Upper Centaurus-Lupus (UCL), and Lower Centaurus-Crux (LCC) associations, and that we are witnessing the ongoing diffusion of (at least one of) these associations into the field.

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