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Spectra of the Far–Ultraviolet Background Shortward of 1200 Å from Voyager 2
Published online by Cambridge University Press: 08 February 2017
Abstract
Deep spectra of the far-ultraviolet sky background have been obtained by the Voyager 2 Ultraviolet Spectrometer (UVS) in the 500 to 1200 Å wavelength range. New diffuse galactic background results—particularly in the 900 to 1100 Å region—are presented, which extend the North Galactic Pole results of Holberg (1986) over a range of lower galactic latitudes. Twenty-four lines of sight are analyzed for the presence of residual diffuse continua. Typical upper limits of several hundred photons cm−2 s−1 Å−1 sr−1 are obtained for most lines of sight; however, a faint residual continuum is detected at several low-latitude locations. In Ophiuchus, a diffuse stellarlike continuum is attributed to scattering from interstellar dust.
- Type
- III. Diffuse Galactic Radiation from Dust and Gas: Observations and Models
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- Copyright © Kluwer 1990