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20 November 2017 Mathematical modelling of the complete metrology of the PROBA-3/ASPIICS formation flying solar coronagraph
F. Stathopoulos, S. Vives, L. Damé, K. Tsinganos
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Proceedings Volume 10565, International Conference on Space Optics — ICSO 2010; 105652S (2017) https://doi.org/10.1117/12.2309139
Event: International Conference on Space Optics—ICSO 2010, 2010, Rhodes Island, Greece
Abstract
Formation flying, with ESA’s mission PROBA-3, is providing the chance of creating a giant solar coronagraph in Space. The scientific payload, the solar coronagraph ASPIICS, has been selected in January 2009 [1]. The advantages of formation flying are: 1) larger dimensions for the coronagraph, which leads to better spatial resolution and lower straylight level and 2) possibility of continuous observations of the inner corona. The PROBA-3/ASPIICS mission is composed of two spacecrafts (S/Cs) at 150 meters distance, the Occulter-S/C (O-S/C) which holds the external occulter, and the Coronagraph-S/C (C-S/C) which holds the main instrument, i.e. the telescope. In addition of the scientific capabilities of the instrument, it will continuously monitor the exact position and pointing of both S/Cs in 3D space, via two additional metrology units: the Shadow Position Sensor (SPS) and the Occulter Position Sensor (OPS). In this paper we are presenting the metrology of this formation flying mission combining the outputs of the above mentioned sensors, SPS and OPS. This study has been conducted in the framework of an ESA “STARTIGER” initiative, a novel approach aimed at demonstrating the feasibility of a new and promising technology concept (in our case formation flying applied to solar coronagraphy, cf. [2, 3]) on a short time scale (six months study).
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F. Stathopoulos, S. Vives, L. Damé, and K. Tsinganos "Mathematical modelling of the complete metrology of the PROBA-3/ASPIICS formation flying solar coronagraph", Proc. SPIE 10565, International Conference on Space Optics — ICSO 2010, 105652S (20 November 2017); https://doi.org/10.1117/12.2309139
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KEYWORDS
Surface plasmons
Coronagraphy
Sun
Sensors
Metrology
Position sensors
Astronomical imaging
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