Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002acasn..43..257q&link_type=abstract
Acta Astronomica Sinica, vol.43, no.3, p. 257-263
Astronomy and Astrophysics
Astronomy
Stars: Abundances, Stars: Atmospheres, Stars: Individual: Hd22484, Hd51530, Hd59984
Scientific paper
Based on the first paper, here the model parameters of a set of sample stars and the chemical abundances for nine elements are presented. The relations between the elemental abundances and [Fe/H] are also discussed. On average, [Na/Fe] tends to -0.01dex and shows solar pattern. The ? elements, Si and Ca, show the same abundance patterns, while [Ti/Fe] has a large scatter. The abundances of these three elements all decrease with [Fe/H] increasing. The iron-peak elements V, Cr, Ni show a large scatter at different metallicity, and [Ca/Fe] is overabundant in all the sample stars, while [Mn/Fe] is definitely under-abundant and increases with the metallicity increasing.
Qiu Hong-Mei
Zhao Gang
Zhong Jia Yong
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