Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981spie..289...66d&link_type=abstract
In: International Conference on Fourier Transform Infrared Spectroscopy, Columbia, SC, June 8-12, 1981, Proceedings. (A82-21426
Astronomy and Astrophysics
Astronomy
Cooling Systems, Far Infrared Radiation, German Infrared Laboratory, Infrared Astronomy, Infrared Interferometers, Liquid Helium, Michelson Interferometers, Astronomical Spectroscopy, High Resolution, Molecular Spectroscopy, Rotational Spectra, Spacelab, Spectral Resolution
Scientific paper
It is pointed out that high-resolution spectroscopy in the mid and far-infrared region is potentially of great importance for the study of astronomical objects. This importance is partly related to the location of the atomic and ionic emission lines of abundant elements in the considered region. In addition, this spectral region contains also the vibration and rotational line spectra of important molecules. In order to take advantage of the envisaged potential, a He-cooled Michelson interferometer is being developed for the German Infra-Red Laboratory (GIRL) which is to be flown on board of Spacelab in 1986. The considered instrument is the first He-cooled interferometer for high spectral resolution in the far-infrared region. Attention is given to the design of the experiment, its construction, the development status and future aspects.
Drapatz Siegfried
Hofmann Ralf
Katterloher Reinhard
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