A liquid-helium-cooled far-infrared grating spectrometer for a balloon-borne infrared telescope

Details A liquid-helium-cooled far-infrared grating spectrometer for a balloon-borne infrared telescope A liquid-helium-cooled far-infrared grating spectrometer for a balloon-borne infrared telescope

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99.1022t&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, Sept. 1987, p. 1022-1026.

Astronomy and Astrophysics

Astronomy

Balloon-Borne Instruments, Far Infrared Radiation, Gratings (Spectra), Infrared Spectrometers, Infrared Telescopes, Liquid Helium, Background Radiation, Fabry-Perot Spectrometers, Fourier Transformation, Low Temperature

Scientific paper

A liquid-helium-cooled far-infrared grating spectrometer has been developed for a 50-cm balloon-borne infrared telescope. The spectral coverage is from 50 μm to 110 μm, with the spectral resolution of 0.5 μm to 0.35 μm. The diaphragm aperture is 2 arc min in diameter when attached to the telescope. This spectrometer was used in two balloon observations made in March 1985 and in August 1986 in Australia.

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