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1 Introduction
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2 Equations for coronagraphy with circular apodized apertures
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3 Circular prolate spheroidal functions as apodization functions solution to the coronagraphic
problem
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4 Comparison between square and cicular prolate apodized aperture with Lyot coronagraph
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5 Discussion
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Appendix A: Formalism for the coronagraphy of circular apertures
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Appendix B: Circular prolate functions
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Appendix C: Computation of the circular prolate functions
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References
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