Observations of the Zeta Spectrum in the Wave-length Range 16 Å-400 Å
Abstract
SPECTROSCOPIC studies of Zeta1 are now being carried out in the important wave-length region below 400 Å. Previous investigations in the vacuum ultra-violet have been mainly confined to the region between 400 Å and 2000 Å using a variety of vacuum grating spectrometers with both photographic and photoelectric detectors. Thus, spectral line identifications have been made by Butt et al.1, and Fawcett et al.2. Measurement and interpretation of the temporal variation of spectral line intensities have been made by Burton and Wilson3, and Hobbs et al.4, and measurement of the Doppler profiles of spectral lines has been made by Jones and Wilson5. More recently, observations have been made by Heroux6,7, who measured the relative intensities of spectral lines in order to determine the electron temperature, using a grazing incidence rocket monochromator8.
- Publication:
-
Nature
- Pub Date:
- December 1963
- DOI:
- 10.1038/2001303a0
- Bibcode:
- 1963Natur.200.1303F