Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21741301m&link_type=abstract
American Astronomical Society, AAS Meeting #217, #413.01; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The Expanded Very Large Array (EVLA) project is an 11 year effort to radically improve key observational capabilities of the VLA (point source sensitivity, maximum BW, frequency resolution, number of channels, etc) while expanding to full frequency coverage between 1 and 50 GHz. Starting on March 1, 2010, simultaneous commissioning and science operations began with the upgraded system. We report on the status of the upgrades, the efforts to integrate the developing hardware and software components and the development of end-to-end observing capabilities which are regularly deployed to the community; the overarching philosphy has been to maximize the science capabilities of the system and their availability during the commissioning process. We show some of the recent scientific results through the ongoing shared-risk programs during the construction period. Finally, we review the schedule through the end of the construction/commissioning period and the planned staging of new capabilities leading to full operations at the end 2012.
Butler Bryan Jay
Chandler Claire J.
Clark Ben C.
Dhawan Vivek
Dickman Robert L.
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