The useful range of Fourier transform spectrometry (FTS) has been extended into the vacuum ultraviolet (VUV) region as far as about 1400 Å. The advantages offered by FTS over other methods for the acquisition of the high quality laboratory data now required to exploit observations from satellite-borne instruments are discussed. The efficiency of FTS is compared with that of grating spectrometry to show how an effective short wavelength limit of the former is reached, and possibilities for extending this are mentioned. Some examples of VUV FTS data of astrophysical significance are given.
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Anne P. Thorne (1996) studied this question.
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