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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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