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astro-ph.SR2018★ 38 cited
A Spectroscopic Survey of the Youngest Field Stars in the Solar Neighborhood. II. The optically faint sample
A. Frasca, P. Guillout, A. Klutsch +5
Star formation in the solar neighborhood is mainly traced by young stars in open clusters, associations and in the field, which can be identified by their X-ray emission. The deter…
astro-ph.SR2009
Solar cycles: the past evolution influence
Alexis Klutsch, Rubens Freire Ferrero
The so-called solar cycle is generally characterized by the quasi-periodic oscillatory evolution of the photospheric spots number. This quasi-periodic pattern has always been an in…
astro-ph.SR2009★ 71 cited
A spectroscopic survey of the youngest field stars in the solar neighbourhood. I. The optically bright sample
P. Guillout, A. Klutsch, A. Frasca +8
We present the first results of a ground-based programme conducted on 1-4m class telescopes. Our sample consists of 1097 active and presumably young stars, all of them being optica…