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astro-ph2003
Coronae of Cool Stars
M. Audard, S. A. Drake, M. Güdel +6
We present preliminary results of grating observations of YY Mensae and V824 Arae by Chandra and XMM-Newton. Spectral features are presented in the context of the emission measure…
astro-ph2003
The evolution of lithium depletion in young open clusters: NGC 6475
Paola Sestito, Sofia Randich, Jean-Claude Mermilliod +1
We have carried out a high resolution spectroscopic survey of the 220-250 Myr old cluster NGC 6475: our main purpose is to investigate Li evolution during the early stages of the M…