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Integration of the Planck flight model solar array
This is the final entry in the Planck Test Campaign journal series, which ran from September 2005 to November 2008. The journal covered the main activities during Planck's extensive spacecraft and instrument test campaigns. It was followed by the Planck Launch Campaign journal series, which ran from February 2009 until just before launch in May 2009 (see link in right-hand menu). With the successful integration of the inner part of the flight model solar array to the Planck spacecraft on 25 November 2008 the project reaches another milestone.
Date: 26 Nov 2008

Planck Reaches 0.1 K
The thermal balance and thermal vacuum (TBTV) test campaign for the Planck spacecraft has been completed. During this campaign the spacecraft and payload were subjected to near-flight conditions inside a thermal vacuum chamber at the Centre Spatiale de Liège (CSL) test facilities. Over the course of about five weeks the spacecraft and payload were cooled down to operational temperatures. The extremely low operational temperature required for the HFI instrument was achieved on 22 July 2008 when the HFI bolometers reached 0.1 K (see Figure 1).
Date: 17 Nov 2008

Herschel moves to the Large Space Simulator
The Herschel spacecraft is now installed in the Large Space Simulator (LSS) at ESTEC ready for thermal balance and thermal vacuum tests. This is the final system test in the environmental test campaign series.
Date: 10 Nov 2008

Shocks but no surprises for LISA Pathfinder
LISA Pathfinder has successfully completed a series of tests devised to characterise the shocks that the spacecraft will experience at launcher separation and when the science and propulsion modules separate upon reaching the operational orbit at L1.
Date: 10 Nov 2008

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