Kroupa initial mass function

E887941

The Kroupa initial mass function is a widely used mathematical description of the distribution of stellar masses at birth, refining earlier forms by incorporating a multi-part power-law that better matches observations across low- and high-mass stars.

All labels observed (3)

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf initial mass function ⓘ
stellar population model ⓘ
appliesTo resolved stellar populations in nearby galaxies ⓘ
stars in the Milky Way ⓘ
stellar populations ⓘ
assumes single-star IMF for most applications ⓘ
universal form in the Milky Way disk ⓘ
basedOn observed stellar mass distributions ⓘ
characterizedBy different slopes at low and high stellar masses ⓘ
piecewise power-law slopes ⓘ
comparedWith Chabrier initial mass function ⓘ
Salpeter initial mass function ⓘ
describes distribution of stellar masses at birth ⓘ
field astrophysics ⓘ
cosmology ⓘ
galactic astronomy ⓘ
stellar astrophysics ⓘ
hasLowerMassLimit approximately 0.01 solar masses ⓘ
hasMathematicalForm multi-part power-law ⓘ
hasSlopeAbove0.5SolarMasses approximately -2.3 in logarithmic form ⓘ
hasSlopeBelow0.5SolarMasses approximately -1.3 in logarithmic form ⓘ
hasUpperMassLimit approximately 100 solar masses ⓘ
hasVariant bottom-light Kroupa IMF ⓘ
canonical Kroupa IMF ⓘ
top-heavy Kroupa IMF ⓘ
influences black hole and neutron star formation rates in simulations ⓘ
integrated light of stellar populations ⓘ
ionizing photon production in galaxies ⓘ
rate of core-collapse supernovae in models ⓘ
isAlternativeTo log-normal plus power-law IMFs ⓘ
isStandardChoiceIn many N-body simulations of star clusters ⓘ
many extragalactic stellar population studies ⓘ
namedAfter Pavel Kroupa ⓘ
publishedIn Monthly Notices of the Royal Astronomical Society ⓘ
refines Salpeter initial mass function ⓘ
relatedTo galactic stellar mass function ⓘ
star formation theory ⓘ
stellar evolution ⓘ
usedFor chemical evolution models of galaxies ⓘ
cosmological simulations with baryons ⓘ
estimating stellar mass-to-light ratios ⓘ
estimating total stellar mass of galaxies ⓘ
galaxy evolution modeling ⓘ
simulations of star clusters ⓘ
stellar population synthesis ⓘ
yearProposed 2001 ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Salpeter initial mass function → relatedTo → Kroupa initial mass function ⓘ
Chabrier initial mass function → relatedTo → Kroupa initial mass function ⓘ
Kroupa initial mass function → hasVariant → top-heavy Kroupa IMF ⓘ
linked to: Kroupa initial mass function
Kroupa initial mass function → hasVariant → bottom-light Kroupa IMF ⓘ
linked to: Kroupa initial mass function