Other
Scientific paper
Dec 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19711208d&link_type=abstract
American Astronomical Society, 197th AAS Meeting, #112.08; Bulletin of the American Astronomical Society, Vol. 32, p.1595
Other
Scientific paper
Since its launch in June 1999, the Far Ultraviolet Spectroscopic Explorer (FUSE) satellite has observed ~72 hot stars in the Magellanic Clouds in the spectral range 905--1187Å. These observations provide high-resolution ( ~15-20 km s-1) absorption line measurements of stellar photosphere and wind material as well as gas along the lines of sight to these stars. A range of ionic species are covered including O 6, which probes T=105-10^6K gas; C 3, Fe 3, and S 3, which trace photoionized 103-10^4K gas; C 2, Fe 2, Si 2, O 1, and Ar 1, which probe 102-10^4K H 1-bearing gas; and H2 from cold clouds. To help understand the morphology and environment in which each FUSE target is located, we have obtained narrow-band Hα and other emission-line CCD images with the Curtis Schmidt Telescope at CTIO. In this poster, we present an atlas of narrow-band images and FUSE spectra for a large subset of the Magellanic Cloud sight lines. The images trace the morphology of the warm (T ~104K) Hα -emitting material over a 20' field surrounding each target. Selected spectral lines observed by FUSE reveal a variety of velocity components and physical conditions in the gas along these sight lines. This project is the first step in a graduate thesis designed to study the structure and physical conditions of the hot interstellar medium in the Magellanic Clouds. This work is supported by NASA contract NAS5-32985 to the Johns Hopkins University.
Blair William Patrick
Danforth Charles W.
Howk Chris J.
Sembach Kenneth Russell
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