Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phdt........20e&link_type=abstract
PhD Dissertation, California Univ. Berkeley, CA United States
Astronomy and Astrophysics
Astrophysics
1
Interstellar Matter, Point Sources, Far Ultraviolet Radiation, Diffuse Radiation, Emission Spectra, Spectroscopic Analysis, Ultraviolet Astronomy, Astrophysics, Astronomical Spectroscopy, Robustness (Mathematics), Mathematical Models, Astronomical Models, Imaging Techniques
Scientific paper
Diffuse astrophysical emission at wavelengths between 900 and 1200 A, the FUV900-1200 A, contains unique information about the nature and extent of the poorly understood hot phases of the interstellar medium. Observations in this bandpass are fraught with difficulty, and previous measurements have offered low quality spectral limits to FUV900-1200 A emission at best. The FUV900-1200 A data analyzed in this work were obtained with an instrument having important advantages over those used by previous workers: intense geocoronal emission was especially rejected, eliminating potentially overwhelming contamination of the data; the data were spectroscopic with resolution sufficient for robust modeling of both astrophysical and instrumental data components; and point sources were imaged allowing for the elimination of this critical contamination source. The superior quality of these data permit the determination to new bounds to the physical properties of the hot interstellar medium.
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