Rotation-induced lithium depletion of solar-type stars in open stellar clusters

Details Rotation-induced lithium depletion of solar-type stars in open stellar clusters Rotation-induced lithium depletion of solar-type stars in open stellar clusters

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...377...84t&link_type=abstract

Astronomy and Astrophysics, v.377, p.84-89 (2001)

Astronomy and Astrophysics

Astrophysics

8

Stars: Abundances, Stars: Evolution, Stars: Rotation, Open Clusters And Associations: Individual: Pleiades, Hyades, Alpha Per, Ic 2391, Ic 2602, Ic 4665

Scientific paper

We look for a correlation between Lithium abundance and rotation period in solar-type stars (G0\dots K0). The result is not unambiguous. Stars in young open clusters (IC 2391, IC 2602, IC 4665, alpha Per) do not show any correlation, in the Pleiades cluster a correlation is present: the faster the rotation the less the Lithium depletion. Moreover, there is statistical evidence, that at least in the Pleiades and in the alpha Persei cluster the abundance spread at fixed color in cool stars could be due to rotation. The use of the inverse Rossby number instead of the rotation rate does not improve on the Li-rotation correlation.

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