The Pleiades rapid rotators - Evidence for an evolutionary sequence

Details The Pleiades rapid rotators - Evidence for an evolutionary sequence The Pleiades rapid rotators - Evidence for an evolutionary sequence

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...319l..19b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 319, Aug. 1, 1987, p. L19-L22.

Astronomy and Astrophysics

Astrophysics

57

Abundance, Angular Velocity, Dwarf Stars, Early Stars, K Stars, Pleiades Cluster, Stellar Evolution, Stellar Rotation, Late Stars, Lithium, Main Sequence Stars

Scientific paper

Four rapidly rotating early-K dwarfs in the Pleiades are shown to contain an order of magnitude more Li than four slow rotators of the same spectral type, as would be expected if they were systematically younger. This supports the idea that late-type stars first arrive on the main sequence with Vrot ⪆ 100 km s-1, that they spin down to Vrot ⪉ 10 km s-1 in 107 - 108yr, and that the Pleiades lower main sequence shows such an age spread.

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