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Potential of space-based infrared Bracewell interferometers for planet detection

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Academic year: 2021

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Figure

Figure 1. Above: nominal linear flying configuration of Pe- Pe-gase with a central beam combiner
Table 2. First column: requirements on an 1-m Bracewell to detect an Earth-like planet located at 20 pc at 10 µm.
Figure 2. Individual SNRs contributing to the total SNR (solid line) for an Earth-like planet located at 20pc with respect to the wavelength, after 10 hours of integration and 1-m diameter collectors.
Figure 3. Sensitivity of Pegase (dotted), 1-m Bracewell with respectively 10% (dashed) and 100% (dash-dot) independent spectral channels and without exo-zodiacal cloud (solid) for 10 hours integration time and observing a Sun-like star located at 20 pc
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