SPTpol camera
E651440
The SPTpol camera is a highly sensitive polarization-sensitive receiver used on the South Pole Telescope to measure the polarization of the cosmic microwave background for cosmological studies.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
cosmic microwave background instrument
ⓘ
polarization-sensitive receiver ⓘ |
| commissionedOn | early 2010s ⓘ |
| contributesTo |
constraints on inflationary models
ⓘ
precision cosmology ⓘ tests of ΛCDM cosmological model ⓘ |
| dataUsedFor |
CMB lensing reconstruction
ⓘ
CMB power spectrum measurements ⓘ cluster cosmology via Sunyaev–Zel’dovich effect ⓘ |
| designedFor | cosmological studies ⓘ |
| designedTo | measure polarization of the cosmic microwave background ⓘ |
| enablesMeasurement |
CMB polarization power spectra
ⓘ
temperature–polarization cross-correlation ⓘ |
| environment | operates in extreme Antarctic conditions ⓘ |
| followedBy | SPT-3G camera NERFINISHED ⓘ |
| hasArrayConfiguration | focal plane array of bolometers ⓘ |
| hasDetectorType | polarization-sensitive bolometers ⓘ |
| hasKeyFeature |
high angular resolution
ⓘ
high sensitivity to polarization ⓘ multi-frequency capability ⓘ |
| hasObservationBand |
150 GHz
ⓘ
90 GHz ⓘ |
| locatedAt | Amundsen–Scott South Pole Station NERFINISHED ⓘ |
| locatedOn | Antarctic Plateau NERFINISHED ⓘ |
| mountedOn | 10-meter South Pole Telescope NERFINISHED ⓘ |
| observes | southern sky ⓘ |
| operatedBy |
South Pole Telescope collaboration
NERFINISHED
ⓘ
University of Chicago NERFINISHED ⓘ collaboration of multiple international institutions ⓘ |
| operationalStatus | superseded by SPT-3G for primary observations ⓘ |
| replacedInstrument | original SPT-SZ camera ⓘ |
| scienceGoal |
constrain cosmological parameters
ⓘ
improve constraints on neutrino masses ⓘ measure CMB E-mode polarization ⓘ measure small-scale CMB anisotropy ⓘ search for signatures of inflation in CMB polarization ⓘ study dark energy through CMB measurements ⓘ study large-scale structure via CMB lensing ⓘ |
| sensitiveTo |
CMB polarization
ⓘ
CMB temperature anisotropy ⓘ |
| telescopeType | ground-based CMB telescope ⓘ |
| usedOn | South Pole Telescope NERFINISHED ⓘ |
| usesDetectorTechnology | transition-edge sensor bolometers ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.