FUSE Spectroscopy and Heavy Element Abundances in Hot, Hydrogen-Rich Subdwarfs

Details FUSE Spectroscopy and Heavy Element Abundances in Hot, Hydrogen-Rich Subdwarfs FUSE Spectroscopy and Heavy Element Abundances in Hot, Hydrogen-Rich Subdwarfs

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ap%26ss.291..371f&link_type=abstract

Astrophysics and Space Science, v. 291, Issue 3, p. 371-374 (2004).

Astronomy and Astrophysics

Astrophysics

3

Stars (Pg 0044+097, Jl 236, Ton S-227, Pg 2317+046), Subdwarfs, Spectroscopy, Abundances

Scientific paper

We have secured FUSE observations for a sample of hot, hydrogen-rich subdwarf B stars. The main objective of this project is to map in a more detailed way than has been done in the past pattern of heavy element abundances in sdB stars in order to understand the competing roles of gravitational settling, radiative element support, and mass loss in their photospheres. We present abundances analyses for a subsample of four objects and compare these results with predictions of the parameter-free version of the radiative levitation theory.

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