Designation | Definition | Range in library |
(1) | (2) | (3) |
Formation time
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Time since the galaxy first started forming stars |
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Timescale of SFH ![]() |
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0 - 7 Gyr-1 |
Stellar mass M*a |
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0.01-10 ![]() |
Star formation rate SFRa |
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10-30-10-7.5 ![]() |
Time of the last burst
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Time since begin of last burst |
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Metallicity Z | Abundance of all metals heavier than He | 0.2-2 ![]() |
Mean age in r-band
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Mean mass weighted age
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Effective attenuation ![]() |
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0-6 |
a The parameters M* and SFR are subject to renormalization for each galaxy, depending on the ratio between the intrinsic luminosity of the object and the intrinsic luminosity of the model galaxy. |