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Searching for the Missing Baryons in the Warm-hot Intergalactic Medium
P. Richter, B. D. Savage, T. M. Tripp +1
We discuss physical properties and the baryonic content of the Warm-hot Intergalactic Medium (WHIM) at low redshifts. Cosmological simulations predict that the WHIM contains a larg…
Exploring Hot Gas in the Galactic Halo and High Velocity Clouds
Kenneth R. Sembach, Bart P. Wakker, Blair D. Savage +1
In the five years since its launch, the Far Ultraviolet Spectroscopic Explorer has given the astronomical community a marvelous glimpse into the realm of previously unexplored regi…
High-velocity OVI in and near the Milky Way
Bart P. Wakker, Blair. D. Savage, Kenneth R. Sembach +2
The Far Ultraviolet Spectroscopic Explorer (FUSE) has observed over three hundred fifty sightlines to extragalactic targets. About one hundred fifty of these are of sufficient qual…
AU Scale Structures in Extra-planar Gas
Philipp Richter
Recent spectroscopic observations of intermediate- and high-velocity clouds (IVCs and HVCs) in the Milky Way halo have unveiled the presence of diffuse interstellar molecular hydro…
Physical Properties and Baryonic Content of Low-Redshift Intergalactic Ly-alpha and O VI Absorption Systems: The PG1116+215 Sight Line
Kenneth R. Sembach, Todd M. Tripp, Blair D. Savage +1
We present HST and FUSE observations of the intergalactic absorption toward PG1116+215 in the 900-3000 A spectral region. We detect 25 Ly-alpha absorbers at rest-frame equivalent w…
FUSE and STIS Observations of the Warm-Hot Intergalactic Medium towards PG1259+593
Philipp Richter, Blair D. Savage, Todd M. Tripp +1
We use FUSE and STIS spectra to study intergalactic absorption towards the quasar PG1259+593 (z=0.478). We identify 135 intergalactic absorption lines with equivalent widths >10mA,…