A revision on Lithium abundance dispersion in Pleiades stars

Details A revision on Lithium abundance dispersion in Pleiades stars A revision on Lithium abundance dispersion in Pleiades stars

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005acasn..46..258x&link_type=abstract

Acta Astronomica Sinica, vol. 46, no. 3, p. 258-272

Astronomy and Astrophysics

Astronomy

1

Open Clusters And Associations: Pleiades, Stars: Abundances, Stars: Late Type, Stars: Activity

Scientific paper

Stellar activity and Li abundance dispersion at fixed color are revised for Pleiades stars. It has been found that the stellar activity is under estimated by the most authors. The effects of stellar activity (including stellar spots) and inhomogeneous reddening over the cluster on Li abundance dispersion are studied. The main conclusions of this work are that there are no solid evidences to support that the observed Li abundance dispersion indicates a real difference in the atmosphere of cluster member stars with a same effective temperature. Instead, the most, if it is not all, apparent dispersion are induced by atmosphere effects of active stars. The Li abundance-rotation relation may be a reflection of Li abundance-stellar activity correlation.

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