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Table 1
Main assumptions for the infrared HDS+HCI simulations as presented in Figs. 2 and 3.
| Telescope + Instrument | |
| Telescope collecting area | 976.3 m2 |
| Telescope temperature | 280 K |
| Telescope emissivity | 0.15 |
| Telescope+instrument throughput | 15% |
| AO Strehl (4.85 μm) | 0.9 |
| Spectral resolution | R = 100 000 |
| Exposure time | 30 h |
| Spectral range | 4.82−4.89 μm |
| Target: α Cen A | |
| Apparent K magnitude | −1.47 |
| Teff (star) | 5800 K |
| Stellar radius | 1.22 Rsun |
| Distance | 1.34 pc |
| Planet radius | 1.5 REarth |
| Planet radial velocity | 30 km s-1 |
| Teff (planet) | 300 K |
| Bond albedo | 0.3 |
| Planet spectrum | Earth-like |
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