Alcatel Alenia Space
has signed a €147 million contract with the
European Southern Observatory(ESO) to supply 25 antennas for the
Atacama Large Millimetre Array (ALMA) project.
The
Alcatel Alenia Space is leading a consortium of manufacturers from
The
All the antennas will work together as if they were a single telescope, using the interferometry principle to provide spatial resolution ten times better than the Hubble space telescope.
Alcatel says the
project is a very daunting technical challenge, since the antenna surface accuracy must be within 25 microns, the pointing accuracy within 0.6 arc seconds, and the antennas must be able to be moved over a distance of 10 kilometres, and offer Sun-sighting capability. The observation array will cover more than 7,000 square metres.
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