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  1. Article

    Open Access

    Degradation assessment of LYRA after 5 years on orbit - Technology Demonstration -

    We present a long-term assessment of the radiometric calibration and degradation of the Large Yield Radiometer (LYRA), which has been on orbit since 2009. LYRA is an ultraviolet (UV) solar radiometer and is th...

    A. BenMoussa, B. Giordanengo, S. Gissot, I. E. Dammasch… in Experimental Astronomy (2015)

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  2. No Access

    Article

    On-Orbit Degradation of Solar Instruments

    We present the lessons learned about the degradation observed in several space solar missions, based on contributions at the Workshop about On-Orbit Degradation of Solar and Space Weather Instruments that took...

    A. BenMoussa, S. Gissot, U. Schühle, G. Del Zanna, F. Auchère, S. Mekaoui… in Solar Physics (2013)

  3. Article

    Open Access

    The Projects for Onboard Autonomy (PROBA2) Science Centre: Sun Watcher Using APS Detectors and Image Processing (SWAP) and Large-Yield Radiometer (LYRA) Science Operations and Data Products

    The PROBA2 Science Centre (P2SC) is a small-scale science operations centre supporting the Sun observation instruments onboard PROBA2: the EUV imager Sun Watcher using APS detectors and image Processing (SWAP) an...

    J. Zender, D. Berghmans, D. S. Bloomfield, C. Cabanas Parada, I. Dammasch… in Solar Physics (2013)

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  4. No Access

    Article

    Magnetic properties of (Zn,Cd,Cu)–Co–Fe–Ti spinel oxides

    AC susceptibility, magnetization and Mössbauer spectra have been measured for (Zn,Cd,Cu)0.5Co0.9Fe1.2Ti0.4O4 and Zn0.3Co0.9Fe1.4Ti0.4O4 spinel oxides. The variation of coercive field below the spin glass transiti...

    T. Moyo, B. Giordanengo, M.A.C. de Melo, A.Y. Takeuchi… in Hyperfine Interactions (1999)

  5. No Access

    Chapter

    Bulk Materials — Anisotropy, Layer Structure, Dimensionality, Pinning and Critical Current

    The superconducting properties of Tl- and Bi- based high Tc oxide crystals are discussed in relation to YBCO and to artificial, low Tc, layer and multifilamentary structures. New data from magnetisation studies o...

    J. Gilchrist, B. Giordanengo, J. L. Genicon… in Physics and Materials Science of High Temp… (1992)