Computer Science – Sound
Scientific paper
May 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977phdt.........2v&link_type=abstract
Ph.D. Thesis Johns Hopkins Univ., Baltimore, MD.
Computer Science
Sound
Astronomical Spectroscopy, Far Ultraviolet Radiation, Stellar Spectra, Ultraviolet Spectroscopy, Rocket-Borne Instruments, Solar Spectra, Sounding Rockets, Stellar Atmospheres, Ultraviolet Spectra
Scientific paper
A far-ultraviolet spectral survey of Capella (alpha Aur, G5 III + GO III) was obtained, using a highly sensitive rocket-borne spectrograph with a multi-spectral element detector. Details of the instrumentation, calibration, flight, and spectrum analysis are described. The experimental package consisted of a pointing telescope and a LiF prism spectrograph with a chevron microchannel plate detector. The observed spectral distribution is very similar to that of the sun; however, if the line surface fluxes are due to the primary (G5 III), then, except for L alpha, they are about an order of magnitude greater than those of the average sun. An analysis of the UV emission lines indicates a narrow chromosphere-corona transition region with a pressure of 1.6 dynes per sq cm and a coronal temperature greater than K.
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