Abundances of D, O, and other species towards the Halo Star HD 93521

Details Abundances of D, O, and other species towards the Halo Star HD 93521 Abundances of D, O, and other species towards the Halo Star HD 93521

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..348...85k&link_type=abstract

Astrophysics in the Far Ultraviolet: Five Years of Discovery with FUSE ASP Conference Series, Vol. 348, Proceedings of the Confe

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

FUSE spectra of the halo star HD 93521 have been analyzed to determine column densities of D I, O I, N I, Ar I, Fe II, and H2 in the intermediate velocity cloud (IVC) along the line of sight. Combining these results with those from GHRS and ground-based spectra provides a comprehensive inventory of abundances in the IVC. We find a relatively high value for D/H (17.4 ppm), near solar abundances and low depletions for refractory elements, and a very low molecular fraction.

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