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10 November 2024
 
  » arxiv » astro-ph/9707043

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Revised ages for the stars in the solar neighbourhood
Y.K. Ng ; G. Bertelli ;
Date 3 Jul 1997
Subject astro-ph
AbstractNew ages are computed for the stars from the Edvardsson et al. (1993) data set. The revised values are systematically larger toward older ages (t>4 Gyr), while they are slightly lower for t<4 Gyr. A similar, but considerably smaller trend is present when the ages are computed with the distances based on Hipparcos parallaxes. The resulting age-metallicity relation has a small, but distinct slope of about 0.07 dex/Gyr
Source arXiv, astro-ph/9707043
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