The sight line towards WD2116+736 with FUSE: H, N, O and more.

Details The sight line towards WD2116+736 with FUSE: H, N, O and more. The sight line towards WD2116+736 with FUSE: H, N, O and more.

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..348...94s&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

Scientific paper

WD2116+736 is a hot DA white dwarf probably located outside the Local Bubble. Atomic and molecular gas is seen in the FUSE spectra in the form of H I, C II, C II*, N I, N II, O I, Si II, P II, Ar I, Fe II and H2. This paper presents a study of the gas physical conditions along this sight line. Deuterium is also present toward WD2116+736. Our analysis, however, shows that an accurate measurement cannot be given with the data currently available. Analysis of molecular hydrogen suggests the presence of warm (˜420 K) neutral gas with a molecular fraction of ˜ 10-5. Our results for the O/H, N/H and Fe/H ratios are consistent with the ratios found for the Local Bubble.

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