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The Extreme Ultraviolet Explorer Mission

Published online by Cambridge University Press:  12 April 2016

Stuart Bowyer
Stuart Bowyer*
Affiliation:
Center for Extreme Ultraviolet Astrophysics, University of California, Berkeley, California94720

Abstract

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The Extreme Ultraviolet Explorer mission is described. The satellite is now scheduled to be launched in September, 1991. For the first six months, an all sky survey will be carried out covering 90 to 820 Å, or essentially the entire EUV bandpass. This EUV survey will be made in four bands, or colors, λλ90–150 Å; 170–250 Å, 400–600 Å and 550–750 Å. A portion of the sky which is free from the normally intense 304 Å geocoronal helium background will be surveyed at greater sensitivity; the wavelength coverage of this band is from 90 to 400 Å. Following the sky survey portion of the mission, spectroscopy of individual sources will be carried out. Three spectrometers employing novel variable line spaced gratings will provide spectra with ~1 Å resolution over the band from 90 to 800 Å. This spectroscopy will be carried out by guest observers chosen by NASA in a manner roughly analogous to the IUE guest observer program.

Type
II. Future Missions
Information
International Astronomical Union Colloquium , Volume 123: Observatories in Earth Orbit and Beyond , 1990 , pp. 153 - 169
Copyright
Copyright © Kluwer 1990

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