Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21544208r&link_type=abstract
American Astronomical Society, AAS Meeting #215, #442.08; Bulletin of the American Astronomical Society, Vol. 42, p.407
Astronomy and Astrophysics
Astronomy
Scientific paper
After more than 20 years, the Very Large Array (VLA) remains one of the premier radio telescopes in the world, offering a unique combination of flexibility and sensitivity. The Expanded VLA (EVLA; Perley et al. 2009: arXiv:0909.1585v1) provides order-of-magnitude gains in sensitivity and spectral capabilities, as well as continuous frequency coverage from 1 to 50 GHz. The project is on track for completion in 2012, and is poised to meet or exceed all key technical and scientific requirements. All 28 antennas will be converted to EVLA status by mid-2010, and installation of the eight new cryogenically cooled wideband receiver system proceeds apace. Shared-risk scientific observations with the new WIDAR correlator will begin in early 2010, giving early access to the new wide bandwidths and superb spectral resolution. Here I summarize the rapidly expanding capabilities of the EVLA, emphasizing the latest test results and details of the shared risk observing programs.
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