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Project Lyman
Stephan R. McCandliss, Jeffrey W. Kruk, William P. Blair +20
We explore the design of a space mission, Project Lyman, which has the goal of quantifying the ionization history of the universe from the present epoch to a redshift of z ~ 3. Obs…
The Far Ultraviolet Spectroscopic Explorer Survey of OVI Absorption in the Disk of the Milky Way
D. V. Bowen, E. B. Jenkins, T. M. Tripp +12
To probe the distribution and physical characteristics of interstellar gas at temperatures T ~ 3e5 K in the disk of the Milky Way, we have used the Far Ultraviolet Spectroscopic Ex…
What is the Total Deuterium Abundance in the Local Galactic Disk?
Jeffrey L. Linsky, Bruce T. Draine, H. W. Moos +14
Analyses of spectra obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE) satellite, together with spectra from the Copernicus and IMAPS instruments, reveal an unexplaine…
Cepheid Masses: FUSE Observations of S Mus
Nancy Remage Evans, Derck Massa, Alexander Fullerton +2
S Mus is the Cepheid with the hottest known companion. The large ultraviolet flux means that it is the only Cepheid companion for which the velocity amplitude could be measured wit…
The UV Scattering Halo of the Central Source Associated with Eta Carinae
D. John Hillier, T. Gull, K. Nielsen +8
We have made an extensive study of the UV spectrum of Eta Carinae, and find that we do not directly observe the star and its wind in the UV. Because of dust along our line of sight…
Detection of a Hot Binary Companion of Carinae
Rosina C. Iping, George Sonneborn, Theodore R. Gull +2
We report the detection of a hot companion of Carinae using high resolution spectra (905 - 1180 Å) obtained with the Far Ultraviolet Spectroscopic Explorer (\fuse) satellite. O…
Limits from the Hubble Space Telescope on a Point Source in SN 1987A
G. J. M. Graves, P. M. Challis, R. A. Chevalier +16
We observed supernova 1987A (SN 1987A) with the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope (HST) in 1999 September, and again with the Advanced Camer…
Far Ultraviolet observations of the High Mass X-ray Binary 4U1700-37/HD153919
R. C. Iping, G. Sonneborn, L. Kaper +1
The high-mass X-ray binary 4U1700-37/HD153919 has been observed with FUSE to study the effect of the X-ray source on the stellar wind of the primary. Phase dependent changes in the…
FUSE Observations of eta Carinae
R. C. Iping, G. Sonneborn, T. R. Gull
Eta Carinae was observed by FUSE through the LWRS (30 arcsec x30 arcsec) and HIRS (1.25 arcsec x 20 arcsec) apertures in March and April 2004. There are significant differences bet…
Phase-dependent changes in the wind lines in the HMXRB's SMC X-1 and 4U1700-37
R. C. Iping, G. Sonneborn, L. Kaper +1
The High Mass X-ray Binaries (HMXRB's) SMC X-1 and 4U1700-37 have been observed with FUSE to study the effect of the X-ray source on the stellar wind of the primary. In both system…
The Deuterium-to-Hydrogen Ratio in a Low-Metallicity Cloud Falling onto the Milky Way
K. R. Sembach, B. P. Wakker, T. M. Tripp +13
Using Far Ultraviolet Spectroscopic Explorer and Hubble Space Telescope observations of the QSO PG1259+593, we detect D I Lyman-series absorption in high velocity cloud Complex C,…
Constraints on the Ionization Balance of Hot-Star Winds from FUSE Observations of O Stars in the Large Magellanic Cloud
D. Massa, A. W. Fullerton, G. Sonneborn +1
We use a Sobolev with Exact Integration model to analyze the winds lines of 25 LMC O stars. The data include FUSE profiles of C III, N III, S IV, P V, S VI, and O VI and IUE or HST…
Distribution and Kinematics of O VI in the Galactic Halo
B. D. Savage, K. R. Sembach, B. P. Wakker +6
FUSE spectra of 100 extragalactic objects are analyzed to obtain measures of O VI absorption along paths through the Milky Way thick disk/halo. Strong O VI absorption over the appr…
Highly-Ionized High-Velocity Gas in the Vicinity of the Galaxy
K. R. Sembach, B. P. Wakker, B. D. Savage +6
We report the results of an extensive FUSE study of high velocity OVI absorption along 102 complete sight lines through the Galactic halo. The high velocity OVI traces a variety of…
An Atlas of Galactic Spectra Observed with the Far Ultraviolet Spectroscopic Explorer
A. Pellerin, A. W. Fullerton, C. Robert +6
An atlas of far-ultraviolet spectra of 45 Galactic OB stars observed with the Far Ultraviolet Spectroscopic Explorer is presented. The atlas covers the wavelength region between 91…
The Axially Symmetric Ejecta of Supernova 1987A
L. Wang, J. C. Wheeler, P. Hoeflich +15
Extensive early observations proved that the ejecta of supernova 1987A (SN 1987A) are aspherical. Fifteen years after the supernova explosion, the Hubble Space Telescope has resolv…
Modelling the Hubble Space Telescope Ultraviolet and Optical Spectrum of Spot 1 on the Circumstellar Ring of SN 1987A
Chun S. J. Pun, Eli Michael, Svetozar A. Zhekov +18
We report and interpret HST/STIS long-slit observations of the optical and ultraviolet (1150 - 10270 Angstrom) emission-line spectra of the rapidly brightening Spot 1 on the equato…
Abundances of Deuterium, Nitrogen, and Oxygen toward HZ 43A: Results from the FUSE Mission
J. W. Kruk, J. C. Howk, M. Andre +12
We present an analysis of interstellar absorption along the line of sight to the nearby white dwarf star HZ43A. The distance to this star is 68+/-13 pc, and the line of sight exten…
Interstellar Deuterium, Nitrogen, and Oxygen Abundances Toward BD +28 4211: Results from the Far Ultraviolet Spectroscopic Explorer
G. Sonneborn, M. Andre, C. Oliveira +12
High resolution far-ultraviolet spectra of the O-type subdwarf BD +28 4211 were obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE) to measure the interstellar deuteriu…
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…
Deuterium Abundance Toward WD2211-495: Results from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
G. Hebrard, M. Lemoine, A. Vidal-Madjar +15
We present a deuterium abundance analysis of the line of sight toward the white dwarf WD2211-495 observed with the Far Ultraviolet Spectroscopic Explorer (FUSE). Numerous interstel…
Deuterium abundance toward G191-B2B: Results from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
M. Lemoine, A. Vidal-Madjar, G. Hebrard +19
High-resolution spectra of the hot white dwarf G191-B2B, covering the wavelength region 905-1187A, were obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE). This data w…
Deuterium and Oxygen Toward Feige 110: Results from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
S. D. Friedman, J. C. Howk, P. Chayer +11
We present measurements of the column densities of interstellar DI and OI made with the Far Ultraviolet Spectroscopic Explorer (FUSE), and of HI made with the International Ultravi…
A FUSE Survey of Interstellar Molecular Hydrogen in the Small and Large Magellanic Clouds
Jason Tumlinson, J. Michael Shull, Brian L. Rachford +10
We describe a moderate-resolution FUSE survey of H2 along 70 sight lines to the Small and Large Magellanic Clouds, using hot stars as background sources. FUSE spectra of 67% of obs…