Sunyaev–Zel’dovich effect
E651437
The Sunyaev–Zel’dovich effect is a distortion of the cosmic microwave background radiation caused by high-energy electrons in galaxy clusters, used as a powerful probe of large-scale structure and cosmology.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Sunyaev–Zel’dovich cluster catalogs | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astrophysical effect
ⓘ
cosmological probe ⓘ radiative transfer phenomenon ⓘ |
| affects | cosmic microwave background radiation NERFINISHED ⓘ |
| causedBy |
high-energy electrons in galaxy clusters
ⓘ
hot intracluster medium ⓘ inverse Compton scattering ⓘ |
| complementaryTo | X-ray cluster observations ⓘ |
| dependsOn | electron pressure along the line of sight ⓘ |
| detectedBy |
Atacama Cosmology Telescope
NERFINISHED
ⓘ
Planck satellite NERFINISHED ⓘ South Pole Telescope NERFINISHED ⓘ |
| distorts |
CMB intensity spectrum
ⓘ
CMB temperature anisotropies ⓘ |
| field |
astrophysics
ⓘ
cosmology ⓘ |
| firstDescribedBy |
Rashid Sunyaev
NERFINISHED
ⓘ
Yakov Zel’dovich NERFINISHED ⓘ |
| firstDescribedIn | 1970s ⓘ |
| hasType |
kinetic Sunyaev–Zel’dovich effect
NERFINISHED
ⓘ
relativistic Sunyaev–Zel’dovich effect NERFINISHED ⓘ thermal Sunyaev–Zel’dovich effect NERFINISHED ⓘ |
| independentOf | redshift of the galaxy cluster ⓘ |
| measuredBy |
CMB experiments
ⓘ
interferometric radio telescopes ⓘ millimeter-wave telescopes ⓘ |
| namedAfter |
Rashid Sunyaev
NERFINISHED
ⓘ
Yakov Zel’dovich NERFINISHED ⓘ |
| observableAs |
CMB temperature decrement at low frequencies
ⓘ
CMB temperature increment at high frequencies ⓘ |
| occursIn |
galaxy clusters
ⓘ
large-scale structure filaments ⓘ |
| probes |
growth of structure in the universe
ⓘ
intracluster medium thermodynamics ⓘ |
| quantifiedBy | Compton y-parameter NERFINISHED ⓘ |
| redshiftIndependenceReason | surface brightness conservation ⓘ |
| relatedTo | X-ray emission from galaxy clusters ⓘ |
| sensitiveTo |
electron density
ⓘ
electron temperature ⓘ |
| theoreticalBasis | inverse Compton scattering of CMB photons ⓘ |
| usedFor |
constraining cosmological parameters
ⓘ
detecting galaxy clusters ⓘ estimating cluster total mass ⓘ mapping baryon distribution in the universe ⓘ measuring Hubble constant ⓘ measuring cluster gas pressure ⓘ probing dark energy ⓘ studying large-scale structure ⓘ |
| uses | cosmic microwave background photons ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sunyaev–Zel’dovich cluster catalogs