Inside the Atacama Array

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Inside the Atacama Array

ALMA is composed of 66 high-precision antennas. Fifty of these antennas are 12m antennas used for sensitive, high-resolution imaging. Shown here are several of the North American 12m antennas and towards the left is a Japanese 12m. These fifty 12m antennas are complemented by the Atacama Compact Array (ACA), also known as the Morita Array, composed of twelve closely spaced 7m antennas and four 12m antennas.

Credit: W. Garnier, ALMA (ESO/NAOJ/NRAO)

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Inside the Atacama Array

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