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Table 1
Models of the star formation rate (SFR) assumed in the second library (Tsalmantza et al. 2009).
| Galaxy type | SFR |
|
|
|
| Early-type galaxies | p2exp( − t / p1)/p1 |
| Spiral galaxies |
|
| Irregular galaxies |
|
| Quenched star-forming galaxies | for t < tf − p3 |
| 0 for t > tf − p3 where | |
| (tf = 9 Gyr, the age of the galaxy) | |
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