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Table 1.
Summary of science requirements for the PLATO stellar samples.
| P1 | P2 | P4 | P5 | Colour sample | |
|---|---|---|---|---|---|
| Stars | ≥15 000 (goal 20 000) | ≥1000 | ≥5000 | ≥245 000 | 300 |
| Spectral type | Dwarf and | Dwarf and | M Dwarfs | Dwarf and | Anywhere in |
| subgiants F5-K7 | subgiants F5-K7 | subgiants F5-late K | the HR diagram | ||
| Limit V | 11 | 8.5 | 16 | 13 | – |
| Random noise (ppm in 1 h) | < 50 | < 50 | – | – | – |
| Wavelength (nm) | 500–1000 | 500–1000 | 500–1000 | 500–1000 | Blue (500–675) |
| and | |||||
| red (675–1000) | |||||
| spectral bands |
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