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Correcting secondary mirror surface errors in Noto 32 m radiotelescope using the 'active' primary mirror

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2 Author(s)
Bolli, P. ; Inst. of Radio Astron., Italian Nat. Res. Council, Bologna, Italy ; Grueff, G.

Some results are presented of a successful attempt to correct the surface manufacturing errors on the secondary mirror of the Noto 32 m radiotelescope by means of a new primary mirror, the shape of which is controlled by 244 electromechanical actuators. During a 43 GHz Jupiter observation, the technique yielded a 22% gain increase.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 5 )