FOF arraysΒΆ
Group numbers begin at 1. Spherical overdensities associated with a FOF group use the negative of the group number. A particle can only be associated with one spherical overdensity.
The following arrays can be found in the FOF group files:
| Group | Array Name | Description |
|---|---|---|
| FOF | BH_Mdot | Particle mass. Physical m = Mass h to the power of-1 U_M [g] | |
| FOF | BlackHoleMass | Particle mass. Physical m = Mass h to the power of-1 U_M [g] | |
| FOF | CentreOfMass | Co-moving coordinates. Physical: r = a x = Coordinates h to the power of-1 a U_L [cm] | |
| FOF | GroupLength | Number of particles in this group | |
| FOF | GroupLengthType | Number of particles in this group of a given type | |
| FOF | GroupMassType | Particle mass. Physical m = Mass h to the power of-1 U_M [g] | |
| FOF | GroupOffset | Offset of IDs of this group, starts at 0 | |
| FOF | GroupOffsetType | Meaning of this variable has not yet been defined. | |
| FOF | Mass | Particle mass. Physical m = Mass h to the power of-1 U_M [g] | |
| FOF | NSF/AExpMaximumTemperature | Expansion factor a when particle had highest temperature | |
| FOF | NSF/ElementAbundances/Carbon | |
| FOF | NSF/ElementAbundances/Helium | |
| FOF | NSF/ElementAbundances/Hydrogen | |
| FOF | NSF/ElementAbundances/Iron | |
| FOF | NSF/ElementAbundances/Magnesium | |
| FOF | NSF/ElementAbundances/Neon | |
| FOF | NSF/ElementAbundances/Nitrogen | |
| FOF | NSF/ElementAbundances/Oxygen | |
| FOF | NSF/ElementAbundances/Silicon | |
| FOF | NSF/Entropy | Meaning of this variable has not yet been defined. | |
| FOF | NSF/Mass | Particle mass. Physical m = Mass h to the power of-1 U_M [g] | |
| FOF | NSF/MaximumTemperature | Maximum temperature ever reached by a particle [K] | |
| FOF | NSF/Metallicity | Mass fraction of elements heavier than Helium | |
| FOF | NSF/SmoothedElementAbundances/Carbon | |
| FOF | NSF/SmoothedElementAbundances/Helium | |
| FOF | NSF/SmoothedElementAbundances/Hydrogen | |
| FOF | NSF/SmoothedElementAbundances/Iron | |
| FOF | NSF/SmoothedElementAbundances/Magnesium | |
| FOF | NSF/SmoothedElementAbundances/Neon | |
| FOF | NSF/SmoothedElementAbundances/Nitrogen | |
| FOF | NSF/SmoothedElementAbundances/Oxygen | |
| FOF | NSF/SmoothedElementAbundances/Silicon | |
| FOF | NSF/SmoothedIronMassFracFromSNIa | Smoothed mass from SNIa divided by particle mass. (Initial particle mass for stars) | |
| FOF | NSF/SmoothedMetallicity | Smoothed mass fraction of elements heavier than Helium | |
| FOF | NSF/Temperature | Meaning of this variable has not yet been defined. | |
| FOF | ParticleIDs | Unique particle identifier | |
| FOF | SF/AExpMaximumTemperature | Expansion factor a when particle had highest temperature | |
| FOF | SF/ElementAbundaces/Carbon | |
| FOF | SF/ElementAbundaces/Helium | |
| FOF | SF/ElementAbundaces/Hydrogen | |
| FOF | SF/ElementAbundaces/Iron | |
| FOF | SF/ElementAbundaces/Magnesium | |
| FOF | SF/ElementAbundaces/Neon | |
| FOF | SF/ElementAbundaces/Nitrogen | |
| FOF | SF/ElementAbundaces/Oxygen | |
| FOF | SF/ElementAbundaces/Silicon | |
| FOF | SF/Entropy | Meaning of this variable has not yet been defined. | |
| FOF | SF/IronMassFracFromSNIa | Iron mass from SNIa divided by particle mass. (Initial particle mass for stars) | |
| FOF | SF/Mass | Particle mass. Physical m = Mass h to the power of-1 U_M [g] | |
| FOF | SF/MaximumTemperature | Maximum temperature ever reached by a particle [K] | |
| FOF | SF/Metallicity | Mass fraction of elements heavier than Helium | |
| FOF | SF/SmoothedElementAbundances/Carbon | |
| FOF | SF/SmoothedElementAbundances/Helium | |
| FOF | SF/SmoothedElementAbundances/Hydrogen | |
| FOF | SF/SmoothedElementAbundances/Iron | |
| FOF | SF/SmoothedElementAbundances/Magnesium | |
| FOF | SF/SmoothedElementAbundances/Neon | |
| FOF | SF/SmoothedElementAbundances/Nitrogen | |
| FOF | SF/SmoothedElementAbundances/Oxygen | |
| FOF | SF/SmoothedElementAbundances/Silicon | |
| FOF | SF/SmoothedIronMassFracFromSNIa | Smoothed mass from SNIa divided by particle mass. (Initial particle mass for stars) | |
| FOF | SF/SmoothedMetallicity | Smoothed mass fraction of elements heavier than Helium | |
| FOF | SF/Temperature | Meaning of this variable has not yet been defined. | |
| FOF | StarFormationRate | Gas star formation rate in solar masses / yr | |
| FOF | Stars/AExpMaximumTemperature | Expansion factor a when particle had highest temperature | |
| FOF | Stars/ElementAbundances/Carbon | |
| FOF | Stars/ElementAbundances/Helium | |
| FOF | Stars/ElementAbundances/Hydrogen | |
| FOF | Stars/ElementAbundances/Iron | |
| FOF | Stars/ElementAbundances/Magnesium | |
| FOF | Stars/ElementAbundances/Neon | |
| FOF | Stars/ElementAbundances/Nitrogen | |
| FOF | Stars/ElementAbundances/Oxygen | |
| FOF | Stars/ElementAbundances/Silicon | |
| FOF | Stars/InitialMass | Star particle mass at formation time. Physical m = InitialMass h to the power of-1 U_M [g] | |
| FOF | Stars/InitialMassWeightedStellarAge | Expansion factor a when star particle was born | |
| FOF | Stars/IronMassFracFromSNIa | Iron mass from SNIa divided by particle mass. (Initial particle mass for stars) | |
| FOF | Stars/Mass | Particle mass. Physical m = Mass h to the power of-1 U_M [g] | |
| FOF | Stars/MaximumTemperature | Maximum temperature ever reached by a particle [K] | |
| FOF | Stars/Metallicity | Mass fraction of elements heavier than Helium | |
| FOF | Stars/SmootheElementAbundances/Carbon | |
| FOF | Stars/SmootheElementAbundances/Helium | |
| FOF | Stars/SmootheElementAbundances/Hydrogen | |
| FOF | Stars/SmootheElementAbundances/Iron | |
| FOF | Stars/SmootheElementAbundances/Magnesium | |
| FOF | Stars/SmootheElementAbundances/Neon | |
| FOF | Stars/SmootheElementAbundances/Nitrogen | |
| FOF | Stars/SmootheElementAbundances/Oxygen | |
| FOF | Stars/SmootheElementAbundances/Silicon | |
| FOF | Stars/SmoothedIronMassFracFromSNIa | Smoothed mass from SNIa divided by particle mass. (Initial particle mass for stars) | |
| FOF | Stars/SmoothedMetallicity | Smoothed mass fraction of elements heavier than Helium | |
| FOF | Velocity | Co-moving velocities. Physical v_p = a dx/dt = Velocities a to the power of1/2 U_V [cm/s]((A bug affects this quantity. The correct factor is a^-1 and not a^0.5)) | |