Astronomy and Astrophysics – Astronomy
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.7602b&link_type=abstract
American Astronomical Society, 198th AAS Meeting, #76.02; Bulletin of the American Astronomical Society, Vol. 33, p.901
Astronomy and Astrophysics
Astronomy
Scientific paper
Half of the total luminosity in the Universe is emitted at rest wavelengths ~80-100 μ m. At the highest known galaxy redshifts (z~=6) this energy is redshifted to ~600 μ m. Quantifying the evolution of galaxies at these wavelengths is crucial to our understanding of the formation of structure in the Universe following the big bang. Surveying the whole sky will find the rare and unique objects, enabling follow-up observations. A helium-cooled telescope with ultrasensitive detectors can image the whole sky to the confusion limit in 6 months. Multiple wavelength bands permit the extraction of photometric redshifts, while a large telescope yields a low confusion limit. We discuss the implications of such a survey for galaxy formation and evolution, large-scale structure, star formation, and the structure of interstellar dust.
Amato Michael J.
Benford Dominic J.
Dwek Eli
Freund Martin
Gardner Jeffrey P.
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