Interferometers



photo of Westerbork

The Westerbork Synthesis Radio Telescope (WSRT) of 14 25-meter telescopes on an east-west baseline. Image credit

VLA D-array photo


The VLA is a Y-shaped array of 27 25-m telescopes on the high Plains of San Augustin in New Mexico. Image credit


ATCA photo 6 x 22 m dishes

The Australia Telescope Compact Array (ATCA) of six 22 m telescopes on an east-west baseline located about 500 km northwest of Sydney, Australia. Image credit


photo of one GMRT dish

One "rope trick" 45 m dish of 30 comprising the Giant Metre-wave Radio Telescope (GMRT) near Pune, India. Image credit


Montage of VLBA antennas

The ten 25 m VLBA antennas combine to form an array 8000 km in size. Image credit


 

Plateau de Bure interferometer

The Plateau de Bure interferometer of six 15 m antennas has an angular resolution of 0.5 arcsec at 230 GHz. Image credit


CARMA photo

The Combined Array for Research in Millimeter-wave Astronomy (CARMA)
was created by moving the six 10-meter telescopes at Caltech's Owens Valley Radio Observatory, along with nine 6-meter telescopes at the Berkeley-Illinois-Maryland Association array, to a new location at Cedar Flat in the Inyo Mountains near Bishop, CA. Image credit


photo of  the SMA on Mauna Kea

The Sub-Millimeter Array (SMA) consists of eight 6 m antennas capable of operating at wavelengths as short as 0.3 mm on Mauna Kea, HI. Image credit



ALMA artists conception

Artist's conception of the Atacama Large Millimeter Array (ALMA). Image credit


photo of ALMA Vertex antenna

The Vertex test antenna for ALMA. Image credit


Artist's conception of the SKA

Artist's conception of the Square Kilometer Array ( SKA). Image credit