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The SWAP EUV Imaging Telescope Part I: Instrument Overview and Pre-Flight Testing |
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| Authors: | D B Seaton D Berghmans B Nicula J-P Halain A De Groof T Thibert D S Bloomfield C L Raftery P T Gallagher F Auchère J-M Defise E D’Huys J-H Lecat E Mazy P Rochus L Rossi U Schühle V Slemzin M S Yalim J Zender |
| Institution: | 1. Royal Observatory of Belgium, Avenue Circulaire 3, 1180, Brussels, Belgium 2. Centre Spatial de Liège, Université de Liège, Liège Science Park, 4013, Angleur, Belgium 3. ESA Directorate of Scientific and Robotic Exploration, ESTEC, Noordwijk, The Netherlands 4. Astrophysics Research Group, School of Physics, Trinity College Dublin, Dublin 2, Ireland 5. Space Sciences Lab, UC Berkeley, 7 Gauss Way, Berkeley, CA, 94720-7450, USA 6. Institut d’Astrophysique Spatiale, CNRS/Université Paris-Sud 11, 91405, Orsay, France 7. Institut d’Astrophysique et de Géophysique, Université de Liège, 4000, Liège, Belgium 8. Max-Planck Institut für Sonnensystemforschung, Katlenburg-Lindau, Germany 9. P.N. Lebedev Physical Institute, Leninsky Pr., 53, Moscow, 119991, Russia 10. Center for Plasma Astrophysics, KULeuven, Celestijnenlaan 200b-bus 2400, 3001, Heverlee, Belgium |
| Abstract: | The Sun Watcher with Active Pixels and Image Processing (SWAP) is an EUV solar telescope onboard ESA’s Project for Onboard Autonomy 2 (PROBA2) mission launched on 2 November 2009. SWAP has a spectral bandpass centered on 17.4 nm and provides images of the low solar corona over a 54×54 arcmin field-of-view with 3.2 arcsec pixels and an imaging cadence of about two minutes. SWAP is designed to monitor all space-weather-relevant events and features in the low solar corona. Given the limited resources of the PROBA2 microsatellite, the SWAP telescope is designed with various innovative technologies, including an off-axis optical design and a CMOS–APS detector. This article provides reference documentation for users of the SWAP image data. |
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