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Table 4

Parameters of the Gaussian functions used to approximate the transmissivity of the used filters of the ten-colour system.

Band Central wavelength [Å] Half-width [Å]

U 3450 200
P 3750 130
X 4050 110
Y 4620 130
Z 5160 105
V 5420 130
HR 6000 200
S 6470 50

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