Eddington limit

E60303

The Eddington limit is the maximum luminosity a star or accreting object can have before radiation pressure overcomes gravity and drives away its outer layers.

AI illustration

How this image was made

AI-generated illustration of Eddington limit

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of the Eddington limit (The Eddington limit is the maximum luminosity a star or accreting object can have before radiation pressure overcomes gravity and drives away its outer layers.)

All labels observed (6)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf astrophysical concept ⓘ
radiation pressure limit ⓘ
appliesTo accreting black holes ⓘ
accreting neutron stars ⓘ
accreting white dwarfs ⓘ
accretion disks ⓘ
stars ⓘ
assumes isotropic radiation field ⓘ
spherical symmetry ⓘ
steady-state conditions ⓘ
canBeExceededIn beamed radiation sources ⓘ
non-spherical accretion flows ⓘ
super-Eddington accretion regimes ⓘ
consequenceOfExceeding disruption of steady accretion ⓘ
mass loss from the star or accretor ⓘ
outward acceleration of stellar material ⓘ
defines maximum luminosity of a star ⓘ
maximum luminosity of an accreting object ⓘ
dependsOn composition of the gas ⓘ
mass of the central object ⓘ
opacity of the material ⓘ
field astrophysics ⓘ
high-energy astrophysics ⓘ
stellar astrophysics ⓘ
forSolarComposition L_Edd ≈ 1.3×10^38 (M/M☉) erg s^-1 ⓘ
L_Edd ≈ 3.3×10^4 (M/M☉) L☉ ⓘ
governs maximum steady accretion luminosity ⓘ
onset of strong stellar winds in massive stars ⓘ
historicalContext introduced in early 20th century ⓘ
mathematicalForm L_Edd = 4πGMc/κ ⓘ
namedAfter Arthur Stanley Eddington ⓘ
physicalBasis balance between radiation pressure and gravity ⓘ
proportionalTo mass of the object ⓘ
relatedConcept Eddington luminosity ⓘ
linked to: Eddington limit

Eddington ratio ⓘ
linked to: Eddington limit

opacity ⓘ
radiation pressure ⓘ
symbol L_Edd ⓘ
typicalCompositionAssumption fully ionized hydrogen ⓘ
typicalOpacityAssumption electron scattering opacity ⓘ
usedIn X-ray binary modeling ⓘ
accretion theory ⓘ
active galactic nucleus modeling ⓘ
black hole growth constraints ⓘ
models of massive star evolution ⓘ
quasar luminosity estimates ⓘ
usedToInfer constraints on luminous accretors ⓘ
upper limits on stellar masses ⓘ

How these facts were elicited

Referenced by (13)

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

Chandrasekhar limit → relatedConcept → Eddington limit ⓘ
Edwin E. Salpeter → knownFor → Salpeter time ⓘ
linked to: Eddington limit
Eddington limit → relatedConcept → Eddington luminosity ⓘ
linked to: Eddington limit
Eddington limit → relatedConcept → Eddington ratio ⓘ
linked to: Eddington limit
Arthur Stanley Eddington → knownFor → Eddington limit ⓘ
Arthur Stanley Eddington → knownFor → Eddington luminosity ⓘ
linked to: Eddington limit
Arthur Stanley Eddington → knownFor → Eddington mass-luminosity relation ⓘ
linked to: Eddington limit
Arthur Stanley Eddington → knownFor → Eddington limit ⓘ
subject linked to: Eddington
Arthur Stanley Eddington → knownFor → Eddington luminosity ⓘ
subject linked to: Eddington
linked to: Eddington limit
Eddington number → hasComponent → Eddington luminosity L_Edd ⓘ
linked to: Eddington limit
Eddington number → relatedConcept → Eddington luminosity ⓘ
linked to: Eddington limit
Eddington number → relatedConcept → Eddington limit ⓘ
Eddington number → relatedConcept → Eddington ratio ⓘ
linked to: Eddington limit