Sardinia Radio Telescope

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Sardinia Radio Telescope the day of the inauguration

The Sardinia Radio Telescope is a large, fully steerable radio telescope recently completed near San Basilio, province of Cagliari in Sardinia, Italy. It is a collaboration among the Istituto di Radioastronomia di Bologna, the Cagliari Observatory (Cagliari) and the Arcetri Astrophysical Observatory (Florence). It has been completed in 2011.

The main technical points are:

  • A 64 meter primary mirror with a 7.9 meter secondary;
  • A Gregorian configuration with shaped surfaces
  • An active surface: Primary mirror adjustable with 1116 actuators;
  • 0.3-115 GHz continuous frequency coverage
  • Three main focal points: Primary, Gregorian, and Beam Wave Guide
  • Primary surface accuracy: ≈150 μm RMS
  • Maximum antenna efficiency: ≈60 %
  • Pointing accuracy (RMS): 2-5 arcsec

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Coordinates: 39°29′35″N 9°14′43″E / 39.49306°N 9.24528°E / 39.49306; 9.24528