The iron abundance in helium star HD 144941.

Details The iron abundance in helium star HD 144941. The iron abundance in helium star HD 144941.

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...323..393j&link_type=abstract

Astronomy and Astrophysics, v.323, p.393-394

Astronomy and Astrophysics

Astrophysics

15

Stars: Helium, Stars: Individual (Hd 144941), Stars: Abundances

Scientific paper

The iron abundance in the helium star HD 144941 has been measured from ultraviolet #1iii lines. It is 1.9+/-0.2dex below solar and confirms the low metallicity (Z=0.0003) previously determined from measurements of CNO and other light elements. The result is important because the low CNO metallicity must be reflected in the iron-group elements in order to explain why HD 144941 does not show pulsations.

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