Astron. Astrophys. 323, 393-394 (1997)

4. Pulsations in helium stars

The improved iron abundance indicates a fractional heavy element abundance (by mass) of and that the iron-group abundances follow the CNO abundances. It confirms that the absence of pulsations in HD 144941 (Paper I) is due to its very low metallicity.

© European Southern Observatory (ESO) 1997

Online publication: June 5, 1998

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