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GAIA is an ESA scientific spacecraft for Astrometry mission which includes a 11 m diameter sunshield for passive thermal control of the payload. SENER is the contractor for the sunshield subsystem consisting of development, verification and integration activities.

SENER responsibilities are:

  • Project management and subcontracting.
  • Overall design, analysis, integration and verification.
  • Definition of integration and test tools.
  • Design, analysis and verification of the deployment mechanisms.
  • Design, analysis and verification of the hold down and release mechanisms.
  • Design, analysis and verification of the Ground support equipment.
  • Subsystem integration.
  • Verification of thermal performances in high vacuum conditions.
  • Structural and mechanical verification.


GAIA deployable sunshield GAIA deployable sunshield GAIA deployable sunshield


Country: Germany

Start date: 2006

End date: 2010

GAIA M2M aligment device

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SENER participation in Gaia satellite

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Photo gallery

Gaia satellite photos in our image library

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Time-lapse sequences from the deployment test of the Gaia

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The Gaia mission

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  • © SENER Group 2016  | 
  • All Rights Reserved

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