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Physical Properties, Baryon Content, and Evolution of the LyαForest: New Insights from High Resolution Observations at z < 0.4
N. Lehner, B. D. Savage, P. Richter +3
We present a study of the Lyαforest at z<0.4 from which we conclude that at least 20% of the total baryons in the universe are located in the highly-ionized gas traced by broad Lyα…
A Survey of O VI, C III, and H I in Highly Ionized High-Velocity Clouds
Andrew J. Fox, Blair D. Savage, Bart P. Wakker
(ABRIDGED) We present a Far-Ultraviolet Spectroscopic Explorer survey of highly ionized high-velocity clouds (HVCs) in 66 extragalactic sight lines. We find a total of 63 high-velo…
High-Resolution Absorption Spectroscopy of Multi-phase, High-Metallicity Gas Associated with the Luminous Quasar HE 0226-4110
Rajib Ganguly, Kenneth R. Sembach, Todd M. Tripp +2
We present FUSE and HST/STIS observations of the absorption line system near the emission redshift of the radio-quiet, X-ray bright quasar HE0226-4110 (z = 0.495, V=15.2). The spec…
Low Redshift Intergalactic Absorption Lines in the Spectrum of HE0226-4110
N. Lehner, B. D. Savage, B. P. Wakker +2
We present an analysis of the FUSE and STIS E140M spectra of HE0226-4110 (z=0.495). We detect 56 Lyman absorbers and 5 O VI absorbers. The number of intervening O VI systems per un…
Optical Structure and Proper-Motion Age of the Oxygen-rich Supernova Remnant 1E 0102-7219 in the Small Magellanic Cloud
Steven L. Finkelstein, Jon A. Morse, James C. Green +12
We present new optical emission-line images of the young SNR 1E 0102-7219 (E0102) in the SMC obtained with the HST Advanced Camera for Surveys (ACS). E0102 is a member of the oxyge…