Open Access

Table 4

Initial parameters of the optical system.

Parameters Targets
Focal length 780 mm
Effective aperture 260 mm
FOV ≥6°
Limit magnitude ≥4.8
Waveband 1.52–1.78 μm
Energy concentration ≥85% in 30 μm
Distortion ≤0.43%
Integration time 20 ms
Refractive Star Observation Probability ≥85%
Non-Refractive Star Observation Probability ≥95%

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