The Very Large Array Expansion Project

Details The Very Large Array Expansion Project The Very Large Array Expansion Project

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4015....2p&link_type=abstract

Proc. SPIE Vol. 4015, p. 2-7, Radio Telescopes, Harvey R. Butcher; Ed.

Astronomy and Astrophysics

Astronomy

2

Scientific paper

The National Radio Astronomy Observatory is proposing to upgrade and expand the Very Large Array (VLA). This project, known as the VLA Expansion Project, will transform the VLA into the Expanded Very Large Array (EVLA) -- a new telescope whose observational capabilities will be at least an order of magnitude better than those of the VLA in every key instrumental parameter: sensitivity, frequency flexibility, spectral resolution, and spatial resolution. These improvements will be obtained at less than one third the investment cost of the VLA because the antennas, array design and infrastructure will be retained, while most of the electronics signal transmission system, and signal processing will be replaced with modern systems. The EVLA will be utilized by scientists from around the world for cutting-edge research throughout astronomy, providing unique information in such diverse areas as magnetic fields, cosmic sources in dusty regions, transient phenomena, and the formation of stars and galaxies.

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