Fig. 4

Spectral energy distributions from 100 Å to 1 µ between 1 Myr and 1 Gyr.

Star-formation law: continuous.
Star formation rate = 1 M yr-1
IMF: = 3.30
Mup = 100 M, Mlow = 1 M
Nebular emission included
Z = 0.001

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