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The EUVE Observatory

artist concept of EUVE satellite The Extreme Ultraviolet Explorer (EUVE), a NASA explorer class satellite mission, was launched on June 7 1992 and it operated till January 31 2001. EUVE is entirely dedicated to observations in the wavelength range from 70 to 760 Å. The first phase of the mission (six months) was dedicated to an all-sky survey using the imaging instruments. The second phase instead is dedicated to pointed observations with mainly the spectroscopic instruments.

Mission Characteristics

* Lifetime : June 7, 1992 - January 31, 2001
* Energy Range : 70-760 Å
* Special Features : First dedicated extreme ultraviolet mission
* Payload :
  • 2 Wolter-Schwarzschild Type I grazing incidence mirror,
    each with an imaging microchannel plate (MCP detector)
    (Scanner A & B) FOV ~5° diameter; two passbands 44-220 Å 140-360 Å
  • 1 Wolter-Schwarzschild Type II grazing incidence mirror,
    with an imaging microchannel plate (MCP detector)
    FOV ~4° diameter; two passbands 520-750 Å 400-600 Å
  • 1 Wolter-Schwarzschild Type II grazing incidence mirror Deep Survey/Spectrometer Telescope. The light is split, with half of the light fed to:
    • An imaging Deep Survey MCP detector
    • Three Spectrometers which are each combinations of a grating and MCP detector:
      SW (70-190 Å) MW (140-380 Å) LW (280-760 Å).
* Science Highlights:
  • All-sky survey catalog (801 objects)
  • EUV first detection of extragalactic objects (e.g. PKS 2155-304)
  • Detection of the photospheric emission from stars (e.g. epsilon CMa)
  • Quasi Periodic Oscillation detection in the Dwarf Nova SS Cygni
* Archive : HEASARC hosts catalogs, images, raw data and selected spectra
[EUVE Home]
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Page authors: Lorella Angelini Jesse Allen
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Last modified: Thursday, 24-Sep-2020 19:08:54 EDT