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Table 1
Key planes of the ASPIICS coronagraph.
| Plane | Description |
|---|---|
| O | External occulter plane |
| A | Entrance aperture of the telescope |
| B | Focal plane of the primary objective |
| O′ | Conjugate image of plane O (plane of the IO) |
| C | Conjugate image of plane A (plane of the Lyot stop) |
| D | Final focal plane and the detector |
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