Computer Science – Sound
Scientific paper
Oct 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phdt........13m&link_type=abstract
Thesis (PhD). UNIVERSITY OF COLORADO AT BOULDER, Source DAI-B 61/04, p. 1991, Oct 2000, 114 pages.
Computer Science
Sound
Scientific paper
Material synthesized in stellar furnaces and supernova explosions recycles through a hot phase of the interstellar medium (ISM) before it condenses into new stellar systems. I have studied the hot phase of the interstellar medium using ISM absorption line spectra of hot gas. O VI, N V and C IV each have resonance absorption lines at ultraviolet wavelength and are the most cosmically abundant elements other than hydrogen and helium. Two sounding rocket experiments built at the University of Colorado observed hot gas in the interstellar medium of galaxies. The Hot Carbon Oxygen Nitrogen Echelle Spectrograph ( HotCONES) made observations of O VI, N V and C IV in the local interstellar medium and the Wadsworth High-resolution Instrument (WHI) observed O VI in both the ISM of our galaxy and in the ISM of the Large Magellanic Cloud. I have discovered evidence for O VI components moving at speeds of up to 750 km s-1 along the line of sight. These high velocity components may be indicative of an extended supernova remnant.
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