Mathematics – Logic
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21333902m&link_type=abstract
American Astronomical Society, AAS Meeting #213, #339.02; Bulletin of the American Astronomical Society, Vol. 41, p.401
Mathematics
Logic
Scientific paper
The Square Kilometer Array (SKA) program encompasses a range of meter to millimeter wavelength facilities for the next generation of radio interferometer arrays. A SKA with frequency coverage from 400 MHz to 3 GHz would have the sensitivity to detect the 21-cm HI line in galaxies out to a redshift z =2.5. It would also have high continuum polarimetric sensitivity for deep imaging of galaxies and AGN studies. The primary cosmological data product from this SKA would be a "billion galaxy” cosmological redshift survey. This survey would bridge the current observations at z < 0.1 and the near future meter-wavelength observations in the epoch of reionization at z > 5, and would enable precise cosmological measurements of parameters related to Dark Energy and its equation of state. We present a scientific roadmap for radio cosmology leading from the current radio telescopes of the VLA, Arecibo, and ATA to the SKA and beyond. We then discuss the challenges facing the design, construction and operation of such an instrument. Finally, we place future radio cosmology surveys in the context of multi-wavelength observations in the next decade and beyond.
Henning Patricia A.
Lazio Joe
Myers Steven T.
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