Navarro–Frenk–White profile
E820913
The Navarro–Frenk–White profile is a widely used mathematical model describing the characteristic density distribution of dark matter halos in cosmology and galaxy formation studies.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dark matter halo model
ⓘ
density profile ⓘ mathematical model ⓘ |
| appliesTo |
cold dark matter halos
ⓘ
galactic dark matter halos ⓘ galaxy clusters ⓘ |
| assumes | spherical symmetry ⓘ |
| category |
Astrophysics
ⓘ
Cosmological models ⓘ |
| centralSlope | −1 ⓘ |
| comparedWith |
Einasto profile
NERFINISHED
ⓘ
isothermal sphere profile ⓘ |
| dependsOn | radius r ⓘ |
| describes | dark matter halo density distribution ⓘ |
| field |
cosmology
ⓘ
galaxy formation ⓘ |
| hasAbbreviation | NFW profile NERFINISHED ⓘ |
| hasFunctionalForm | ρ(r) = ρ_s / [(r/r_s)(1 + r/r_s)^2] ⓘ |
| hasLimitation |
core–cusp problem in dwarf galaxies
ⓘ
may not fit inner regions of some galaxies ⓘ |
| hasParameter |
characteristic density ρ_s
ⓘ
scale radius r_s ⓘ |
| hasProperty | cuspy central density ⓘ |
| influencedBy | hierarchical structure formation paradigm ⓘ |
| introducedIn | 1996 ⓘ |
| isStandardModelFor | universal dark matter halo density profile ⓘ |
| massConvergence | logarithmic with radius ⓘ |
| namedAfter |
Carlos Frenk
NERFINISHED
ⓘ
Julio Navarro NERFINISHED ⓘ Simon D. M. White NERFINISHED ⓘ |
| originatedFrom | cold dark matter N-body simulations ⓘ |
| outerSlope | −3 ⓘ |
| predicts | self-similar halo structure over wide mass range ⓘ |
| publishedIn | The Astrophysical Journal NERFINISHED ⓘ |
| relatedConcept |
concentration parameter
ⓘ
virial radius ⓘ ΛCDM cosmology NERFINISHED ⓘ |
| usedFor |
fitting N-body simulation results
ⓘ
gravitational lensing calculations ⓘ mass modeling of galaxy clusters ⓘ modeling rotation curves of galaxies ⓘ |
| usedIn |
halo occupation distribution modeling
ⓘ
numerical simulations of structure formation ⓘ semi-analytic models of galaxy formation ⓘ |
| usedToDerive |
circular velocity profiles
ⓘ
projected surface density profiles ⓘ |
| validOver | many orders of magnitude in halo mass ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.