F & G solar neighbourhood stars new ages (Ng+ 1998)

Details F & G solar neighbourhood stars new ages (Ng+ 1998) F & G solar neighbourhood stars new ages (Ng+ 1998)

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ycat..33290943n&link_type=abstract

VizieR On-line Data Catalog: J/A+A/329/943. Originally published in: 1998A&A...329..943N

Computer Science

Stars: Ages, Stars: Masses, Stars: Nearby

Scientific paper

New ages are computed for the stars from the Edvardsson et al. (1993, Cat. ) data set. The revised values are systematically larger toward older ages (t>4Gyr), while they are slightly lower for t<4Gyr. 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 ~0.07dex/Gyr. (6 data files).

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