Tolman surface brightness test

E145218

The Tolman surface brightness test is an observational cosmology method that checks whether the universe is expanding by examining how the surface brightness of distant galaxies diminishes with redshift.

All labels observed (2)

How this entity was disambiguated

Statements (43)

Predicate Object
instanceOf cosmological test ⓘ
observational cosmology method ⓘ
affectedBy K-corrections ⓘ
cosmological dimming ⓘ
galaxy evolution ⓘ
selection effects ⓘ
appliedTo elliptical galaxies ⓘ
galaxy clusters ⓘ
assumes conservation of surface brightness in Euclidean static space ⓘ
basedOn Friedmann–Lemaître–Robertson–Walker metric ⓘ
relativistic cosmology ⓘ
category cosmological observations ⓘ
tests of the expanding universe ⓘ
compares observed surface brightness–redshift relation with theoretical predictions ⓘ
contrastsWith static universe models ⓘ
developedBy Richard C. Tolman ⓘ
distinguishes expanding universe from static tired-light models ⓘ
field astrophysics ⓘ
cosmology ⓘ
hasConsequence observed dimming consistent with expansion rather than static space ⓘ
involves angular diameter distance ⓘ
luminosity distance ⓘ
photon energy redshift ⓘ
time dilation of photon arrival rates ⓘ
measures change of surface brightness with redshift ⓘ
namedAfter Richard C. Tolman ⓘ
predicts (1+z)^-4 dependence of surface brightness in an expanding universe ⓘ
proposedIn 1930s ⓘ
purpose test whether the universe is expanding ⓘ
relatedTo Etherington reciprocity theorem ⓘ
Hubble–Lemaître law ⓘ
Tolman test for the reality of the expansion of the universe ⓘ
cosmic distance ladder ⓘ
cosmic expansion ⓘ
requires photometric measurements of galaxies ⓘ
redshift measurements of galaxies ⓘ
supports standard expanding universe interpretation of redshifts ⓘ
tests cosmological models ⓘ
reality of cosmic expansion ⓘ
usedBy observational cosmologists ⓘ
usedFor consistency checks of cosmological parameters ⓘ
uses redshift of distant galaxies ⓘ
surface brightness of galaxies ⓘ

How these facts were elicited

Referenced by (2)

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

Richard C. Tolman → notableConcept → Tolman surface brightness test ⓘ
Richard C. Tolman → knownFor → Tolman surface brightness test in cosmology ⓘ
subject linked to: Tolman
linked to: Tolman surface brightness test