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Table 2.
Physical properties used from the EAGLE data for stars and gas particles.
| Property | Symbol | Description [Units] |
|---|---|---|
| Gas properties | ||
| Density | ρ | Co-moving density [g cm−3] |
| Smoothed element abundance hydrogen | XH | SPH weighted hydrogen abundance |
| Smoothed element abundance carbon | XC | SPH weighted carbon abundance |
| Entropy | E | Particle entropy [Pressure × Densityγ] |
| Mass | mSPH | Particle mass [g] |
| Smoothed metallicity | Z | SPH kernel weighted metallicity |
| Smoothing length | h | Co-moving SPH smoothing kernel [cm] |
| Star formation rate | SFR | Instantaneous star formation rate [M⊙ yr−1] |
| Temperature | TSPH | Particle temperature (from the internal energy) [K] |
| Star properties | ||
| Star formation time | t* | Time when a star particle was born |
| Stellar mass | m* | Current particle mass [g] |
| Smoothed metallicity | Z* | Co-moving SPH smoothing metallicity |
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