The Al/Mg abundance ratio in halo stars

Details The Al/Mg abundance ratio in halo stars The Al/Mg abundance ratio in halo stars

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...127l...7a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 127, no. 1, Oct. 1983, p. L7-L9.

Astronomy and Astrophysics

Astrophysics

37

Abundance, Aluminum, Magnesium, Metallicity, Nuclear Fusion, Subdwarf Stars, Line Spectra, Stellar Spectra

Scientific paper

The Al to Mg abundance ratio is redetermined in two extreme metal-poor stars, HD 19445 and HD 140283, on the basis of accurate spectral material. It is found that: (1) one of the two lines used for the Al abundance determination is blended by CH lines; (2) no anomalous difference appears between the hotter and the cooler star, both showing an Al overdeficiency; (3) the observations are in fair agreement with predictions from the theory of explosive carbon burning.

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