Advancing UK Aerospace, Defence, Security & Space Solutions Worldwide
  • Home
  • /
  • Space
  • /
  • Airbus-built telescope for ESA’s Euclid mission takes shape

Space

Airbus-built telescope for ESA’s Euclid mission takes shape

The Euclid mission is taking shape in Airbus cleanrooms: engineers are now finishing assembly of the telescope, the main instrument of the Payload Module, for which Airbus is responsible within this European Space Agency (ESA) mission led by Thales Alenia Space (TAS) as industrial prime contractor.

Above: Euclid´s full silicon carbide primary structure.
Copyright Airbus

The Euclid Payload Module contains the largest telescope with such optical performance ever designed and integrated by Airbus.
 
After mounting the truss on the base plate, both made of silicon carbide, Airbus is now completing the final phase of integration: the optical alignment. The telescope will then be sent to Thales Alenia Space, where it will go through further testing and be integrated with the platform.
 
The whole payload integration necessitates extreme clean room discipline with a perfect cleanliness, temperature stability and lack of vibration. For example, during the mechanical assembly, precision of operations is calculated in µm, where for the optical alignment, the scale of precision is in nm (1 million nm in a millimetre).
 
Giuseppe Racca, project manager of Euclid at ESA said: “Euclid is the second “Medium Class” mission in ESA’s Cosmic Vision programme. With the ultimate goal to understand the origin of the Universe’s accelerating expansion, Euclid will map the geometry of the dark universe with unprecedented accuracy. To achieve that, we need the best team effort from 16 countries, mainly in Europe and America, hundreds of laboratories, etc. A true universal team for unlocking the secrets of the Universe.”
 
Euclid will collect high resolution images of the sky by pointing the spacecraft to a new field in deep space once every 80 minutes. Within six years of observation, covering more than one third of the entire sky, Euclid will measure the shapes of, and distances to, more than 1 billion galaxies.
 
“This telescope is the most complex we’ve ever designed and built. It must operate in extremely cold conditions of 100 Kelvin (- 170°C), relying on Airbus’ world-leading expertise in silicon carbide technology for space – already proven in orbit on ESA’s Herschel and Gaia missions,” said Philippe Pham, Head of Earth Observation, Navigation and Science at Airbus.
 
The Euclid Payload Module has three primary features, the main telescope, a 1.2m diameter mirror and a three-mirror Korsch telescope. The main telescope is made entirely of  lightweight silicon carbide (SiC) which gives it excellent thermal stability and enables operation at 130 K (-140°C), making it invisible to near infrared wavelengths.

Advertisement
Advanced Engineering RT

The 1.2 metre mirror permits diffraction-limited observation of galaxies as faint as magnitude 24.5, while the Korsch telescope supplies light to its two scientific instruments, the Visible Imager (VIS), and the Near-Infrared Spectrophotometer (NISP).

The VIS & NISP instruments are maintained in a very cold environment, at 155 K (-115°C) for the VIS focal plane and 90 K (-180°C) for the NISP one, while the VIS electronics have to be maintained at 290 K (20°C).
 
The VIS & NISP instruments are developed by the Euclid Consortium and delivered to Airbus and Thales Alenia Space by ESA.

Advertisement
Advanced Engineering RT


 

Advertisement
Advanced Navigation LB 1
Viasat

Aerospace Space

Viasat's IFC selected by Royal Jordanian Airlines

18 March 2024

Royal Jordanian Airlines and Viasat have announced that the airline will officially make high-speed Wi-Fi a priority to enhance its future passenger experience by selecting Viasat's in-flight connectivity (IFC) solution across multiple fleets.

Serco launches Urban Twin Solution

Space

Serco launches Urban Twin Solution

11 March 2024

Serco has launched an Urban Twin Solution to help governments and organisations to address critical environmental challenges using the latest space-enabled environmental data.

HyImpulse receives first flight license from CAA

Space

HyImpulse receives first flight license from CAA

8 March 2024

HyImpulse has received its first flight license from the Civil Aviation Authority (CAA) for its sounding rocket, which is now ready to launch from the Shetland Islands thanks to the National Manufacturing Institute Scotland (NMIS).

UK Space Agency funding observation of HABs

Space

UK Space Agency funding observation of HABs

8 March 2024

The UK Space Agency has committed to funding six projects to improve infrastructure and encourage collaboration across the UK’s growing space sector, one of which is aimed at monitoring Harmful Algal Blooms (HABs).

Advertisement
Farsound RT Brain
UK Government invests £10m into SaxaVord Spaceport

Space

UK Government invests £10m into SaxaVord Spaceport

6 March 2024

During today’s Spring Budget, the UK Government announced its plans to invest £10 million into SaxaVord Spaceport, Europe’s first and only licensed vertical launch spaceport.

UK youngsters gain STEM career insights at Space Camp

Space Events

UK youngsters gain STEM career insights at Space Camp

6 March 2024

Lockheed Martin has joined forces with the National Space Academy and Viasat to host dozens of young people at a week-long Space Camp at the University of Sunderland.

Advertisement
Advanced Engineering RT