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Abundances of Deuterium, Oxygen, and Nitrogen in the Local Interstellar Medium: Overview of First Results from the Far Ultraviolet Spectroscopic Explorer Mission
H. W. Moos, K. R. Sembach, A. Vidal-Madjar +33
Observations obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE) have been used to determine the column densities of D I, O I, and N I along seven sight lines that prob…
The Distribution of Thermal Pressures in the Interstellar Medium
Edward B. Jenkins, Todd M. Tripp
It is generally recognized that the interstellar medium has a vast range of densities and temperatures. While these two properties are usually anticorrelated with each other, there…
FUSE and STIS Observations of Intervening OVI Absorption Line Systems in the Spectrum of PG0953+415
B. D. Savage, K. R. Sembach, T. M. Tripp +1
We present FUSE and STIS observations of the IGM toward PG 0953+415 (z_em = 0.239). An O VI system at z = 0.06807 is detected in H I Lya, Lyb, Lyg, O VI N V, C IV, and C III. The o…
HST/STIS Spectroscopy of 3C 273
S. R. Heap, G. M. Williger, R. Dave +3
We present preliminary results on the low-redshift Lyman alpha forest as based on STIS spectra of 3C 273. A total of 121 intergalactic Lyman alpha-absorbing systems were detected,…
The Metallicity of the Local IGM from the HST/STIS Spectrum of 3C273
Romeel Davé, S. R. Heap, G. M. Williger +3
We present a preliminary study of the metallicity of low-redshift Lyman alpha absorbers from the HST/STIS spectrum of 3C273. Using a pixel-based shift-and-coadd technique, we compa…
The Ionization and Metallicity of the Intervening O VI Absorber at z = 0.1212 in the Spectrum of H1821+643
Todd M. Tripp, Mark L. Giroux, John T. Stocke +2
We use high-resolution UV spectra of the radio-quiet QSO H1821+643 (z_em = 0.297), obtained with STIS and FUSE, to study the ionization and metallicity of an intervening O VI absor…