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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…
Highly-Ionized Intergalactic Gas at Low Redshifts: Constraints from QSO Absorption Lines
Todd M. Tripp
High-resolution UV spectroscopy of low-z QSOs with the Space Telescope Imaging Spectrograph and the Far Ultraviolet Spectroscopic Explorer has indicated that O VI absorption-line s…