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The Submillimeter Array (SMA)
is an 8-element radio interferometer located atop
Maunakea in Hawaii.
Operating at frequencies from 180 GHz to 418 GHz, the
6m dishes may be arranged into configurations with baselines as
long as 509m, producing a synthesized beam of sub-arcsecond
width. Each element can observe with two receivers simultaneously,
with up to 8 GHz bandwidth each per sideband. The digital correlator backend
provides a uniform resolution of 140 kHz.
The Submillimeter Array is a joint venture of the
Smithsonian Astrophysical Observatory
and the
Academia Sinica Institute of Astronomy and Astrophysics.
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