Chapter 6: SCIAMACHY In-orbit Operations and Performance
Gottwald, Manfred and Bramstedt, Klaus and Snel, Ralph and Krijger, Matthijs and Lichtenberg, Günter and Slijkhuis, Sander and von Savigny, Christian and Noel, Stefan and Krieg, Eckhart (2011) Chapter 6: SCIAMACHY In-orbit Operations and Performance. In: SCIAMACHY - Exploring the Changing Earth's Atmosphere Earth and Environmental Science. Springer Dordrecht Heidelberg London New York. pp. 77-98. ISBN 978-90-481-9895-5.
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Since the launch in early 2002 SCIAMACHY has successfully operated in low-Earth orbit for more than 8 years. For the first several months a challenging Commissioning Phase programme was executed. It successively brought SCIAMACHY into full operation mode and verified the instrument’s functional capabilities. In early August 2002 quasi-routine measurements executing nominal mission scenarios could start. In January 2003 the routine operations phase commenced. Since then SCIAMACHY is kept under strict configuration control. Because of the harsh space environment the instrument is subject to degradation, both optically and thermally. The optical performance is described by the throughput which is a measure for how optical components in a light path age with time. It also includes characterisation of optical imperfections such as scan angle dependence, channel 7 light leak and spatial stray light. Illustrating the thermal performance includes decontaminations, used to tackle the ice layers in channels 7 and 8 and configuration of the thermal control systems to respond to degradation. Finally the improvement of the line-of-sight performance by determination of mispointing angles achieved the best possible pointing knowledge. This was especially needed for the retrieval of accurate limb tangent heights. The current excellent status of SCIAMACHY is a prerequisite for successfully accomplishing the intended ENVISAT mission extension until 2013.
|Document Type:||Book Section|
|Title:||Chapter 6: SCIAMACHY In-orbit Operations and Performance|
|Journal or Publication Title:||SCIAMACHY - Exploring the Changing Earth's Atmosphere|
|Page Range:||pp. 77-98|
|Publisher:||Springer Dordrecht Heidelberg London New York|
|Series Name:||Earth and Environmental Science|
|Keywords:||Commissioning phase, rRoutine operation, optical performance, thermal performance, line-of-sight performance, mission extension|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Vorhaben Entwicklung von Atmosphärenprozessoren|
|Institutes and Institutions:||Remote Sensing Technology Institute > Atmospheric Processors|
|Deposited By:||Dr.rer.nat. Manfred Gottwald|
|Deposited On:||25 Jan 2011 13:33|
|Last Modified:||19 Apr 2013 08:59|
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