Observations in the FUV and soft X-ray bands suggest that the interstellar medium contains several components of high-temperature gas and should be emitting in the EUV. Indeed, diffuse radiation has been detected in the EUV with photometric instruments, but no special measurements exist below 520 A. A unique grazing-incidence spectrometer has been designed to study the diffuse emission between 80 and 650 A with 10 to 20-A resolution. The instrument was launched on a Black Brant sounding rocket from White Sands Missile Range on April 22, 1986. Preliminary analysis shows the expected geocoronal and interplanetary He I 584-A emission, and possibly other features which may originate in the hot ionized interstellar gas. Flux limits to these possible emission lines are compatible with previous broadband measurements.
Spectroscopy of the extreme ultraviolet background radiation
Advances in Space Research ; 6 , 2 19
1986-01-01
Sonstige
Keine Angabe
Englisch
Spectroscopy of the extreme ultraviolet background radiation
Elsevier | 1986
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British Library Online Contents | 1999
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