PROBA2 SCIENCE CENTER

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LYRA temperature evolution

The temperature evolution of PROBA2, and thus also of LYRA detectors, highly depends on the distance Earth-Sun, the (EUV) eclipses around December, and on onboard activity. In this article, we track the temperature evolution over the mission.

LYRA team

Royal Observatory of Belgium (ROB) Marie Dominique LYRA Principal Investigator Jean-François Hochedez Boris Giordanengo Ingolf Dammasch Ali BenMoussa Observatory and World Radiation Center (PMOD) Werner Schmutz LYRA Lead co-Investigator Silvio Koller Tatiana Egorova Eugene Rozanov Centre (...)

LYRA Science Goals

Flares Detection and Analysis Solar flares are one of the most energetic phenomena in the solar system. During these events, particles can be heated to millions of degrees and ejected in the solar atmosphere. These events appear in radiometer time series as an increase of the solar irradiance, (...)

LYRA instrument

Instrument overview LYRA is composed of three units, each of them constituted of the same four channels: the 120-123 nm Lyman-α channel, the 190-222 nm Herzberg continuum channel, the 17-80 nm Aluminium filter channel + a contribution from wavelenghts below 5 nm, including He II at 30.4 nm (...)

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