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Table 1.
Main parameters of the numerical study – based on ASPIICS.
| Parameter | Value |
|---|---|
| Wavelength | λ = 550 nm |
| Angular radius of the Sun | R⊙ = 0.0046542 rad |
| = 960 arcsec | |
| Radius of the external occulter | R = 710 mm |
| Distance plane O – plane A | z0 = 144.348 m |
| Radius of the pupil | Rp = 25 mm |
| Focal length of the telescope | f1 = 330.348 mm |
| Radius of the internal occulter | Rio = 1.662 mm |
| = 1.079 R⊙ | |
| Hole radius of the internal occulter | 0.489 mm |
| Radius of the Lyot stop | Rls = 0.97 Rp |
| = 24.25 cm | |
| Size of the array for FFT | N = 213 = 8192 |
| Sampling in plane A | sA = 18.5 μm |
Notes. See Sect. 2 for explanations.
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