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Solar energy intensity

Solar energy intensity


Date: 07 June 2011
Satellite: PROBA-2
Depicts: Solar irradiance during a solar flare
Copyright: ROB

PROBA-2's LYRA (Large Yield Radiometer) instrument measures the energy intensity of the Sun across four separate ultraviolet bands every 50 milliseconds, observing a spike in signal across its two short-wavelength bands (shown here in blue and black) due to the 7 June 2011 solar flare. The flare caused a decrease in the SWAP average intensity from PROBA-2's other Sun-watching instrument, shown here in purple.
Last Update: 1 September 2019
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24-Apr-2024 06:30 UT

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