Table 1
Estimated yield of planets with 0.5 R⊕ ≤ Rp ≤ 1.5 R⊕ in the HZs around Sun-like stars from PLATO’s P1 sample.
| Observing strategy | mV | Conservative scenario | Optimistic scenario |
|---|---|---|---|
| 2 yr + 2 yr | 8 | 1.2 | 3.4 |
| 9 | 2.2 | 6.9 | |
| 10 | 4.4 | 14.0 | |
| 11 | 3.0 | 9.6 | |
| Total | 10.7 | 33.8 | |
| 3 yr + 1 yr | 8 | 0.8 | 2.4 |
| 9 | 1.4 | 4.3 | |
| 10 | 3.4 | 10.8 | |
| 11 | 2.5 | 7.9 | |
| Total | 8.0 | 25.4 | |
Notes. The two different observing strategies assume that the two long-duration observation phase fields are monitored for either (2 yr + 2 yr) or (3 yr + 1 yr), respectively. The conservative (optimistic) scenario assumes 15 000 (20 000) Sun-like stars in the P1 sample and an occurrence rate of 0.37 (0.88) Earth-sized planets in the HZ per star. Planet yields are sorted in bins of apparent stellar magnitudes (see Sect. 2.5). Numbers are rounded to one decimal place, which leads to an offset of 0.1 between some of the column sums and the respective total counts. Total counts are exact.
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