Optical technologies in ESA programmes - Congrex
Optical technologies in ESA programmes - Congrex
Optical technologies in ESA programmes - Congrex
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Concept 2<br />
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PLATO – Mission overview (cont.)<br />
Dioptric system, 6 sph. lenses, 83 mm pupil<br />
54 refractive telescopes mounted <strong>in</strong>dividually on tilted base plate<br />
Total FoV ~625 deg 2 to see cool dwarfs at greater distance with<br />
required SNR<br />
0.3 m2 collect<strong>in</strong>g area<br />
Circular FoV allows for monthly rotation around LoS with<br />
cont<strong>in</strong>uous observation<br />
concept3<br />
Optics <strong>in</strong> <strong>ESA</strong> <strong>programmes</strong> | Roland Meynart | ICSO �ό��� 2010 | 05 October 2010 | Earth Observation | Slide 42<br />
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Dioptric system with 6 lenses (2 aspherical), 115 mm<br />
pupil<br />
42 refractive telescopes mounted <strong>in</strong>dividually on stair<br />
case base plate<br />
Total FoV ~1800 deg2 <strong>in</strong> 4 groups of 10 tel. partially<br />
overlapp<strong>in</strong>g<br />
Needs quarterly rotation due to FPA configuration<br />
Group<strong>in</strong>g of telescopes gives access to large FoV
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