Table A.2
Values for the signal and noise contributions for the LIFE baseline case with perturbations as defined in Table A.1 for the shortest-wavelength bin of λb = 4.1 µm.
| Source | Photon Rate (s−1) |
|---|---|
| Planet Signal | 1.1 • 10−4 |
| Fundamental Noise | 5.8 • 10−2 |
| Stellar geometric leakage | 5.7 • 10−2 |
| Local zodi leakage | 5.0 • 10−4 |
| Exozodi leakage | 9.1 • 10−3 |
| Instrumental systematic noise | 3.0 • 10−1 |
| First order phase | 6.0 • 10−2 |
| Second order amplitude-phase | 2.9 • 10−1 |
| Instrumental photon noise | 1.8 • 10−2 |
| Stellar null-floor leakage | 1.0 • 10−2 |
| Polarization angle | 2.2 • 10−3 |
| Detector thermal background | 1.1 • 10−3 |
| Detector dark current | 1.5 • 10−2 |
| S/N, one rotation (56 h)a | 4.5 |
Notes. (a)Calculated by integrating over all wavelength bins for the specified integration time and can be compared to the value computed in Fig. 5 (S/N≈9.7), where the same observing example was used but without including instrumental noise terms.
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