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 November 2009. LYRA acquires solar-irradiance measurements at a high cadence (nominally 20 Hz...

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Bibliographic Details
Published in:Solar physics 2013-08, Vol.286 (1), p.21-42
Main Authors: Dominique, M., Hochedez, J.-F., Schmutz, W., Dammasch, I. E., Shapiro, A. I., Kretzschmar, M., Zhukov, A. N., Gillotay, D., Stockman, Y., BenMoussa, A.
Format: Article
Language:English
Subjects:
Astrophysics
Astrophysics and Astroparticles
Atmospheric Sciences
Physics
Physics and Astronomy
PROBA2 – First Two Years of Solar Observation
Radiometers
Sciences of the Universe
Solar and Stellar Astrophysics
Solar physics
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Spectrum analysis
Ultraviolet astronomy
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Summary: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 November 2009. LYRA acquires solar-irradiance measurements at a high cadence (nominally 20 Hz) in four broad spectral channels, from soft X-ray to MUV, which have been chosen for their relevance to solar physics, space weather, and aeronomy. We briefly review the design of the instrument, give an overview of the data products distributed through the instrument website, and describe how the data are calibrated. We also briefly present a summary of the main fields of research currently under investigation by the LYRA consortium.
ISSN:0038-0938
1573-093X
DOI:10.1007/s11207-013-0252-5