Currently, sci.esa.int is under review and not being updated. For the latest information and news from ESA science missions and scientific results, please visit esa.int. For a comprehensive overview of ESA’s Science Programme and its missions, please refer to science.esa.int. For in-depth technical information aimed at ESA's scientific communities, you may also wish to consult cosmos.esa.int.

Asset Publisher

Back Gaia M4 mirror

Gaia M4 mirror


Date: 15 December 2009
Satellite: Gaia
Depicts: Inspection of M4 mirror
Location: Advanced Mechanical and Optical Systems (AMOS) in Liege, Belgium
Copyright: ESA

One of two Gaia M4 mirrors undergoing inspection at the premises of Advanced Mechanical and Optical Systems (AMOS) in Liege, Belgium, in December 2009.

The 190 × 69 mm mirror was fabricated from sintered silicon carbide (SiC) by Boostec at Bazet near Tarbes, France.

The mirror surface was coated with a layer of silicon carbide using chemical vapour deposition (CVD). The CVD layer of all Gaia mirrors is applied by Schunk Kohlenstofftechnik in Heuchelheim, Germany.

 

Last Update: 1 September 2019
11-Apr-2026 03:35 UT

ShortUrl Portlet

Shortcut URL

https://sci.esa.int/s/w7eM1m8

Latest Selection

Also Available As

Related Images

Related Videos

Related Publications

Related Links

See Also

Documentation