Current Developments in the Square Kilometer Array

Details Current Developments in the Square Kilometer Array Current Developments in the Square Kilometer Array

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21114602l&link_type=abstract

American Astronomical Society, AAS Meeting #211, #146.02; Bulletin of the American Astronomical Society, Vol. 39, p.999

Astronomy and Astrophysics

Astronomy

Scientific paper

The Square Kilometer Array (SKA) is a program aimed at developing the next generation centimeter- and meter-wavelength facility. It is likely that the SKA will be implemented in three major components in order to cover the entire wavelength range (1 cm--3 m, 0.1--25 GHz: SKA-lo, aimed primarily at the Epoch of Reionization; SKA-mid, and SKA-hi, which could be developed in North America.
A number of significant milestones has been reached recently. In the U.S., the Technology Development Program (TDP) is a 4-yr, multi-institutional study aimed primarily at investigating the design of the antennas likely to be used for the SKA. In addition, the U.S.-led SKA Pathfinder telescopes---the Mileura Wide-field Array (MWA), the Long Wavelength Array (LWA), the Expanded Very Large Array (EVLA), and the Allen Telescope Array (ATA)---have made significant recent progress.
Internationally, and closely tied to the TDP, is the European-led PrepSKA program, a 3-yr, multi-national effort to design the SKA system and develop a potential management structure. Australia and South Africa have been identified as potential sites, and both governments have announced efforts to develop significant pathfinder telescopes on the candidate sites---the Australian SKA Pathfinder (ASKAP) and the Karoo Array Telescope (meerKAT), respectively.
Finally, looking toward the Decadal Survey, a specific implementation of
SKA-mid, known as the Radio Synoptic Survey Telescope (RSST), is being developed.

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