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2005MNRAS.363..183G - Mon. Not. R. Astron. Soc., 363, 183-196 (2005/October-2)
Heavy element abundances in DAO white dwarfs measured from FUSE data.
GOOD S.A., BARSTOW M.A., BURLEIGH M.R., DOBBIE P.D., HOLBERG J.B. and HUBENY I.
Abstract (from CDS):
Abundances measured when the FUSE-derived values of temperature, gravity and helium abundance were adopted were, in general, a factor 1-10 higher than those determined when the optical measure of those parameters was used. Satisfactory fits to the absorption lines were achieved in an approximately equal number. The models that used the FUSE-determined parameters seemed better at reproducing the strength of the nitrogen and iron lines, while for oxygen the optical parameters were better. For the three objects whose temperature measured from FUSE data exceeds 120000 K, the carbon, nitrogen and oxygen lines were too weak in the models that used the FUSE parameters. However, the model that used the optical parameters also did not reproduce the strength of all the lines accurately.
Abstract Copyright: 2005 RAS
Journal keyword(s): stars: atmospheres - white dwarfs - ultraviolet: stars
CDS comments: DAO S 216 = TON S 216.
Simbad objects: 19
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