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The North American astronomical community is considering a future large area radio array optimized to perform imaging of thermal emission down to milliarcsecond scales. This `Next Generation Very Large Array' would entail ten times the effective collecting area of the Jansky Very Large Array, operate from 1GHz to 115GHz, with ten times longer baselines (300km) providing milliarcsecond resolution, and include a dense core on kilometer scales for high surface brightness imaging. The preliminary design, capabilities, and some of the priority science goals of the instrument are summarized.
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Mark McKinnon, Chris Carilli, Tony Beasley, "The next generation very large array," Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 990627 (27 July 2016); https://doi.org/10.1117/12.2234941