Interstellar Deuterium, Nitrogen, and Oxygen Abundances toward Bd +28 4211: Results from the Fuse Mission

Abstract

High-resolution far-UV spectra of the O-type subdwarf BD+28 4211 were obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE) to measure the interstellar deuterium, nitrogen, and oxygen abundances in this direction. The interstellar D i transitions are analyzed down to Ly at 920.7 Å. The star was observed several times at different target offsets in… (More)

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