SIMBAD references

2006BaltA..15..139A - Baltic Astronomy, 15, 139-145 (2006/February-0)

Chemical abundances of helium-rich subdwarf B stars.

AHMAD A. and JEFFERY C.S.

Abstract (from CDS):

Helium-rich subdwarf B (He-sdB) stars represent a small fraction of the population of hot subdwarfs. We report recent results of our spectral analysis of He-sdB stars including surface chemical abundance measurements of a bright He-sdB star - JL 87 - measured from its high-resolution optical spectrum using line-blanketed LTE model atmospheres. These measurements provide further insight into the formation mechanism(s) of these rare faint blue stars.

Abstract Copyright: ∼

Journal keyword(s): stars: chemically peculiar - stars: early-type - subdwarfs - stars: fundamental parameters - stars: abundances

Simbad objects: 2

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