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Very Long Baseline Array
The
Very Long Baseline Array
(
VLBA
) is a system of ten
radio telescopes
which are operated remotely from their
Array Operations Center
located in
Socorro, New Mexico
, as a part of the
National Radio Astronomy Observatory
(NRAO). These ten
radio antennas
work together as an array that forms the longest system in the world that uses
very long baseline interferometry
. The longest baseline available in this
interferometer
is about . The construction of the VLBA began in February 1986 and it was completed in May 1993. The first
astronometrical
observation using all ten antennas was carried out on May 29, 1993. The total cost of building the VLBA was about $85 million.
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