Atacama Large Millimeter Array - Project Detail

Project Detail

  • At least 50 antennas of 12 m diameter located at an elevation of 5,000 m at Llano de Chajnantor Observatory, enhanced by a compact array of 4 x 12 m and 12 x 7 m antennas (consortium currently considering to build 50 or 64 )
  • Imaging instrument in all atmospheric windows between 350 μm and 10 mm
  • Array configurations from approximately 150 m to 14 km
  • Spatial resolution of 10 milliarcseconds, 10 times better than the Very Large Array (VLA) and 5 times better than the Hubble Space Telescope
  • The ability to image sources arcminutes to degrees across at one arcsecond resolution
  • Velocity resolution under 50 m/s
  • Faster and more flexible imaging instrument than the Very Large Array
  • Largest and most sensitive instrument in the world at millimetre and sub-millimetre wavelengths
  • Point source detection sensitivity 20 times better than the Very Large Array
  • Data Reduction system will be CASA (Common Astronomy Software Applications) which is a new software package based on AIPS++

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