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An f/35 submillimeter photometer for the NASA infrared telescope facilityThe design and performance of an f/35 submillimeter photometer are discussed. It is noted that the instrument provides for both broad- and medium-width passbands between 350 microns and 2 mm and for beam sizes between 28 arcsec and 100 arcsec FWHM. Under good atmospheric conditions, a broad-band 400 micron sensitivity of approximately 1.5 Jy is found to be obtainable in one hour. A description is given of the photometer's support housing, submillimeter radiometer, and electronics and data-handling system. In evaluating the performance, attention is given to sensitivity, beam profiles, and the effect of changes in the aperture on the signal.
Document ID
19810040314
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Whitcomb, S. E.
Hildebrand, R. H.
Keene, J.
Date Acquired
August 11, 2013
Publication Date
January 1, 1981
Publication Information
Publication: Astronomical Society of the Pacific
Subject Category
Instrumentation And Photography
Accession Number
81A24718
Funding Number(s)
CONTRACT_GRANT: NAGW-4
CONTRACT_GRANT: NSF SPI-79-14911
Distribution Limits
Public
Copyright
Other

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