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arXiv:astro-ph/9612140 (astro-ph)
[Submitted on 13 Dec 1996]

Title:The UIT Survey of the Ultraviolet Sky Background

Authors:William H. Waller, Theodore P. Stecher, Ultraviolet Imaging Telescope Science Team
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Abstract: When viewed from above the Earth's atmosphere, the nighttime ultraviolet sky background is profoundly dark - up to 100 times fainter than the equivalent visible background as measured by groundbased telescopes. Because the UV background is so faint, its measured strength and spatial distribution remain controversial topics. Estimates range from a few hundred photons/(sec cm^2 sr^2 A) (~27 mag/arcsec^2) with no obvious spatial distribution to several thousand ``photon units'' with a strong gradient toward the Galactic midplane. Herein, we summarize recent results from an analysis of UV images obtained by the Ultraviolet Imaging Telescope - where relatively high nighttime UV intensities are found near the Galactic midplane which then diminish to levels of ~300 photon units or less at high Galactic latitude.
Comments: latex; 3 pages; uses style file this http URL; to be published in ``New Horizons from Multi-Wavelength Sky Surveys,'' IAU Symposium 179, Barry Lasker, Marc Postman, editors, Kluwer Academic Publishers
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/9612140
  (or arXiv:astro-ph/9612140v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/9612140

Submission history

From: [view email]
[v1] Fri, 13 Dec 1996 18:45:08 UTC (18 KB)
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