Aims. Metis is the first solar coronagraph designed for a space mission and is capable of
performing simultaneous imaging of the off-limb solar corona in both visible and UV light …

This paper describes the innovative optical design of the Metis coronagraph for the Solar
Orbiter ESA-NASA mission. Metis is a multi-wavelength, externally occulted telescope for the …

The “sonic region” of the Sun corona remains extremely difficult to observe with spatial
resolution and sensitivity sufficient to understand the fine scale phenomena that govern the …

PROBA-3 is a mission devoted to the in-orbit demonstration of precise formation flying
techniques and technologies for future ESA missions. PROBA-3 will fly ASPIICS …

In the framework of development of ASPIICS (Association of Spacecraft for Polarimetric and
Imaging Investigation of the Corona of the Sun), the Centre Spatial de Liege is responsible …

The modeling of the scattering phenomena for the multielement telescope for imaging and
spectroscopy (METIS) coronagraph on board the European Space Agency Solar Orbiter is …

This paper presents the current status of ASPIICS, a solar coronagraph that is the primary
payload of ESA's formation flying in-orbit demonstration mission PROBA-3. The “sonic …

Abstract The Multi Element Telescope for Imaging and Spectroscopy (METIS) is one of the
remote sensing instruments to be onboard the future NASA/ESA Solar Orbiter mission. The …

Helianthus is a technological development project funded by the Italian Space Agency for a
Phase A study of a space weather station with solar photonic propulsion. Helianthus will …

The Solar Orbiter/Metis visible and UV solar coronagraph redefines the concept of external
occultation in solar coronagraphy. Classical externally occulted coronagraphs are …