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Far Ultraviolet Spectroscopy of a Nonradiative Shock in the Cygnus Loop: Implications for the Postshock Electron-Ion Equilibration
Parviz Ghavamian, John C. Raymond, William P. Blair
We present far ultraviolet spectra of a fast (~ 300 km/s) nonradiative shock in the Cygnus Loop supernova remnant. Our observations were performed with the Far Ultraviolet Spectros…
On-Orbit Performance of the Far Ultraviolet Spectroscopic Explorer (FUSE) Satellite
D. J. Sahnow, H. W. Moos, T. Ake +38
Launch of the Far Ultraviolet Spectroscopic Explorer (FUSE) has been followed by an extensive period of calibration and characterization as part of the preparation for normal satel…
Overview of the Far Ultraviolet Spectroscopic Explorer Mission
H. W. Moos
The Far Ultraviolet Spectroscopic Explorer satellite observes light in the far-ultraviolet spectral region, 905 - 1187 A with high spectral resolution. The instrument consists of f…
FUSE Observations of O VI Absorption in the Galactic Halo
B. D. Savage, K. R. Sembach, E. B. Jenkins +10
Far-ultraviolet spectra of 11 AGNs observed by FUSE are analyzed to obtain measures of O VI 1031.93 A absorption occurring over very long paths through Milky Way halo gas. Strong O…
FUSE Observations of Diffuse Interstellar Molecular Hydrogen
J. M. Shull, J. Tumlinson, E. B. Jenkins +11
We describe a moderate-resolution FUSE mini-survey of H2 in the Milky Way and Magellanic Clouds, using four hot stars and four AGN as background sources. FUSE spectra of nearly eve…
FUSE Observations of O VI in High Velocity Clouds
K. R. Sembach, B. D. Savage, J. M. Shull +13
We have used moderate-resolution (FWHM ~ 25 km/sec) spectra of AGNs and QSOs observed by the Far Ultraviolet Spectroscopic Explorer (FUSE) to make the first definitive measurements…
ROSAT HRI and ASCA Observations of the Spiral Galaxy NGC 6946 and Its Northeast Complex of Luminous SNRs
E. M. Schlegel, W. P. Blair, R. A. Fesen
Analysis of 80 ksec ASCA and 60 ksec ROSAT HRI observations of the face-on spiral galaxy NGC 6946 are presented. The ASCA image is the first observation of this galaxy above ~2 keV…
A Comparison of Ultraviolet, Optical, and X-Ray Imagery of Selected Fields in the Cygnus Loop
Charles W. Danforth, Robert H. Cornett, N. A. Levenson +2
During the Astro-1 and Astro-2 Space Shuttle missions in 1990 and 1995, far ultraviolet (FUV) images of five 40' diameter fields around the rim of the Cygnus Loop supernova remnant…