The confusion limits to the sensitivity of submillimeter telescopes

Details The confusion limits to the sensitivity of submillimeter telescopes The confusion limits to the sensitivity of submillimeter telescopes

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..117h&link_type=abstract

In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 117-123 (SEE N91-21986 13-89)

Astronomy and Astrophysics

Astronomy

39

Continuums, Extragalactic Radio Sources, Milky Way Galaxy, Sensitivity, Submillimeter Waves, Telescopes, Confusion, Cosmic Dust, Galactic Radiation, Molecular Clouds, Radio Astronomy, Thermal Emission

Scientific paper

The two major sources of confusion that limit the sensitivity of continuum observations at submillimeter wavelengths outside the galactic plane are discussed. One of the sources is the spatial structure of the thermal emission from dust in the Milky Way. The crowding of extragalactic sources at faint levels is the second source of confusion. Estimates of the noise expected from these two types of confusion as a function of wavelength and beam size on the sky are presented and compared to detector and photon noise estimates for proposed spaceborne telescopes.

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