Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pasp..112..108p&link_type=abstract
The Publications of the Astronomical Society of the Pacific, Volume 112, Issue 767, pp. 108-118.
Astronomy and Astrophysics
Astronomy
42
Instrumentation: Interferometers, Instrumentation: Spectrographs, Site Testing, Submillimeter
Scientific paper
We describe a Fourier transform spectrometer for measurements of atmospheric transmission in the spectral interval 300 GHz to 3.5 THz. This instrument has been developed to evaluate prospective sites for radio astronomical observations at frequencies above 1 THz. Measurements have been made on Mauna Kea, Hawaii, and at the site of the future Millimeter Array near Cerro Chajnantor in northern Chile. Chajnantor frequently exhibits significant transmission in atmospheric windows at frequencies above 1 THz. Here we outline the design and characteristics of the instrument, discuss data processing methods, and present sample measurements from Chajnantor.
Barrett John W.
Blundell Raymond
Paine Scott
Papa Cosmo D.
Radford Simon J. E.
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