ESA Science & Technology - Journal Archive
Mechanical tests on the Herschel flight model spacecraft were successfully completed on 3 July 2008. On that day, the last vibration test was performed on the multi-axis hydraulic shaker at ESTEC. The spacecraft is currently undergoing electrical tests and will later be prepared for the forthcoming environmental tests scheduled for September.
Published: 4 August 2008
The first phase of the thermal balance / thermal vacuum (TBTV) test campaign has started for the Planck spacecraft, which is now inside the vacuum test chamber at Centre Spatial de Liège that is used to simulate the cold vacuum conditions of space
Published: 26 June 2008
As part of the ongoing mechanical test campaign of the Herschel spacecraft at the ESTEC test facilities, a vibration test was completed Monday 23 June with the spacecraft shaken vertically along its X-axis
Published: 25 June 2008
Preparations for the upcoming thermal balance / thermal vacuum (TBTV) test of the Planck spacecraft are well under way at the test facilities of Centre Spatial de Liège. On Monday 19 May, the Planck spacecraft was placed inside the FOCAL-5 test chamber for a fit check.
Published: 30 May 2008
Following the integration of Herschel's telescope with the spacecraft in mid-April, precision M1 to M2 mirror separation measurements were performed on Friday 16 May to verify the telescope's optomechanical stability after the integration
Published: 27 May 2008
The Planck spacecraft is currently at Centre Spatial de Liège (CSL) for thermal and cryogenic testing to demonstrate all spacecraft systems operate as expected under cold vacuum conditions that simulate those encountered in space
Published: 14 May 2008
Having completed the fine balancing tests inside the Large Space Simulator, the Planck spacecraft has left the ESTEC test facilities on a transport truck to Centre Spatial Liège (CSL).
Published: 25 April 2008
The large 3.5-metre diameter Herschel telescope has been mechanically integrated onto the interface structure on the cryostat, marking an important milestone in the assembly of the flight model spacecraft.
Published: 18 April 2008
The fine balancing of the Planck spacecraft in light-vacuum conditions has been successfully completed in the Large Space Simulator (LSS) at ESTEC, with the spacecraft being spun repeatedly at 30 rpm between 3 and 9 April
Published: 11 April 2008
Published: 8 April 2008
The Planck spacecraft arrived at ESTEC during the night of 27-28 March. After unpacking, the spacecraft is now in the cleanrooms and prepared for moving to the Large Space Simulator for the upcoming fine balancing test in light vacuum conditions.
Published: 1 April 2008
Herschel's cooling system responsible for keeping the payload at the required operational temperatures close to absolute zero is currently cooled down to ~4K at the ESTEC facilities with several tests being performed on the spacecraft
Published: 20 March 2008
The flight model of the Herschel telescope has underwent several tests in the passed two weeks to verify its optomechanical stability after transport as well as its interface with the spacecraft's cryostat using a reference plate
Published: 18 February 2008
After arriving at ESTEC in mid-January, the flight model of the 3.5-metre diameter Herschel telescope has undergone a thorough inspection and is now set for a series of tests before integration with the spacecraft
Published: 1 February 2008
Now placed on its vertical support stand in the ESTEC cleanroom, the next main events for the Herschel flight model spacecraft are the bake out and in parallel the Integrated System Test
Published: 18 January 2008
Saturday, 5 January, the Herschel spacecraft arrived at ESTEC in Noordwijk where it will undergo a series of tests during the coming months and eventually will be integrated with the telescope, solar array and sunshade.
Published: 8 January 2008
The recently concluded test campaign of the Planck Radio Frequency Qualification Model (RFQM) has proven the planned RF verification method which will now also be used to test the Flight Model of the Planck telescope early next year
Published: 24 October 2007
Engineers from Dutch Space are installing the flight model Herschel solar array and sunshade in the Large European Acoustic Facility at ESTEC, where the assembly will be subjected to noise levels that simulate launch conditions.
Published: 13 September 2007
The Radio Frequency Qualification Model (RFQM) of the Planck telescope is currently at Thales in Cannes, where on 7 September, the first change of the shim behind the RF test horn was performed.
Published: 7 September 2007
The Flight Models of Herschel's solar array panels and Sun shade are being assembled at ESTEC by Dutch Space engineers.
Published: 17 August 2007
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