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  1. No Access

    Article

    Accurate Determination of the TOA Solar Spectral NIR Irradiance Using a Primary Standard Source and the Bouguer–Langley Technique

    We describe an instrument dedicated to measuring the top of atmosphere (TOA) solar spectral irradiance (SSI) in the near-infrared (NIR) between 600 nm and 2300 nm at a resolution of 10 nm. Ground-based measure...

    D. Bolsée, N. Pereira, W. Decuyper, D. Gillotay, H. Yu, P. Sperfeld… in Solar Physics (2014)

  2. No Access

    Article

    The Solar Irradiance Spectrum at Solar Activity Minimum Between Solar Cycles 23 and 24

    On 7 February 2008, the SOLAR payload was placed onboard the International Space Station. It is composed of three instruments, two spectrometers and a radiometer. The two spectrometers allow us to cover the 16 – ...

    G. Thuillier, D. Bolsée, G. Schmidtke, T. Foujols, B. Nikutowski… in Solar Physics (2014)

  3. 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)

  4. No Access

    Article

    The LYRA Instrument Onboard PROBA2: Description and In-Flight Performance

    The Large Yield Radiometer (LYRA) is an XUV–EUV–MUV (soft X-ray to mid-ultraviolet) solar radiometer onboard the European Space Agency Project for On-Board Autonomy 2 (PROBA2) mission, which was launched in Novem...

    M. Dominique, J.-F. Hochedez, W. Schmutz, I. E. Dammasch, A. I. Shapiro… in Solar Physics (2013)

  5. No Access

    Article

    SOLAR/SOLSPEC: Scientific Objectives, Instrument Performance and Its Absolute Calibration Using a Blackbody as Primary Standard Source

    SOLAR is a set of three solar instruments measuring the total and spectral absolute irradiance from 16 nm to 3080 nm for solar, atmospheric and climatology physics. It is an external payload for the COLUMBUS l...

    G. Thuillier, T. Foujols, D. Bolsée, D. Gillotay, M. Hersé, W. Peetermans… in Solar Physics (2009)

  6. No Access

    Chapter

    The Contribution of PROBA2-LYRA Occultations to Earth Atmosphere Composition Analysis

    LYRA is a solar EUV/VUV radiometer that will embark in early 2009 on-board the PROBA2 mission. Its heliosynchronous orbit generates brief eclipses, during which we intend to study the vertical distribution of ...

    M. Dominique, D. Gillotay, D. Fussen… in New Horizons in Occultation Research (2009)

  7. No Access

    Article

    The Solar Spectral Irradiance from 200 to 2400 nm as Measured by the SOLSPEC Spectrometer from the Atlas and Eureca Missions

    The SOLar SPECtrum (SOLSPEC) and the SOlar SPectrum (SOSP) spectrometers are two twin instruments built to carry out solar spectral irradiance measurements. They are made of three spectrometers dedicated to ob...

    G. Thuillier, M. Hersé, D. Labs, T. Foujols, W. Peetermans, D. Gillotay… in Solar Physics (2003)

  8. No Access

    Chapter and Conference Paper

    Solar Ultraviolet Irradiance, 120 to 300 nm: Report of Working Groups 2 and 3 of Solers22

    This report summarizes the activities of Working Group 2 and Working Group 3 of the SOLERS22 Program. The international SOLar Electromagnetic Radiation Study for Solar Cycle 22 (SOLERS22) is Project 1.2 of the...

    G. J. Rottman, R. P. Cebula, D. Gillotay… in Solar Electromagnetic Radiation Study for … (1998)

  9. No Access

    Article

    Ultraviolet absorption spectrum of trifluoro-bromo-methane, difluoro-dibromo-methane and difluoro-bromo-chloro-methane in the vapor phase

    Ultraviolet absorption cross-sections of trifluoro-bromo-methane (CF3Br-Halon 1301), difluoro-dibromo-methane (CF2Br2-Halon 1202) and of difluoro-bromo-chloro-methane (CF2BrCl-Halon 1211) are measured in the wave...

    D. Gillotay, P. C. Simon in Journal of Atmospheric Chemistry (1989)

  10. No Access

    Article

    Ultraviolet absorption cross-sections of chloro and chlorofluoro-methanes at stratospheric temperatures

    Absorption cross-sections of nine halomethanes (CCl4, CHCl3, CH2Cl2, CH3Cl, CFCl3, CF2Cl2, CF3Cl, CHFCl2, and CHF2Cl), measured between 174 and 250 nm for temperatures ranging from 225 to 295 K, are presented wit...

    P. C. Simon, D. Gillotay, N. Vanlaethem-Meuree… in Journal of Atmospheric Chemistry (1988)