Low Frequency Instrument
E418614
The Low Frequency Instrument is a microwave detector array on the Planck spacecraft designed to measure the cosmic microwave background at low radio frequencies for cosmological studies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Low Frequency Instrument canonical | 2 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
cosmic microwave background instrument
ⓘ
microwave detector array ⓘ space telescope instrument ⓘ |
| alsoKnownAs |
Planck spacecraft
ⓘ
surface form:
Planck LFI
|
| collaboratesWith | High Frequency Instrument ⓘ |
| coLocatedWith | High Frequency Instrument ⓘ |
| countryOfSpaceAgency | Europe ⓘ |
| dataUsedFor |
CMB polarization maps
ⓘ
Planck cosmological parameter estimation ⓘ all-sky foreground maps ⓘ |
| designedFor |
cosmological studies
ⓘ
measurement of the cosmic microwave background ⓘ |
| developedBy | international collaboration ⓘ |
| developedUnder |
Planck spacecraft
ⓘ
surface form:
European Space Agency Planck program
|
| frequencyBand |
30 GHz
ⓘ
44 GHz ⓘ 70 GHz ⓘ |
| hasSubsystem |
back-end electronics unit
ⓘ
cryogenic cooling interface ⓘ front-end radiometer chains ⓘ waveguide system ⓘ |
| hostSpacecraftInstanceOf | space observatory ⓘ |
| launchDate | 2009-05-14 ⓘ |
| launchedFrom | Guiana Space Centre ⓘ |
| launchVehicle | Ariane 5 ECA ⓘ |
| locatedOn | Planck focal plane ⓘ |
| missionRole |
control of systematic effects in CMB measurements
ⓘ
foreground removal for cosmological analysis ⓘ low-frequency complement to High Frequency Instrument ⓘ |
| observes |
cosmic microwave background radiation
ⓘ
microwave sky ⓘ |
| onSpacecraft |
Planck spacecraft
ⓘ
surface form:
Planck observatory
|
| operatedBy | European Space Agency ⓘ |
| operatingTemperature | cryogenic ⓘ |
| operationalEnvironment | space ⓘ |
| partOf |
Planck spacecraft
ⓘ
surface form:
Planck mission
Planck spacecraft ⓘ |
| placedAt |
Sun–Earth L2
ⓘ
surface form:
Sun–Earth L2 Lagrange point
|
| primaryScienceGoal | measurement of CMB temperature anisotropies ⓘ |
| scienceGoal |
Galactic synchrotron studies
ⓘ
foreground emission characterization ⓘ free-free emission studies ⓘ measurement of CMB polarization ⓘ |
| usesDetectorTechnology | high electron mobility transistor amplifiers ⓘ |
| usesDetectorType | radiometer ⓘ |
| wavelengthRange | approximately 1 cm to 1 cm/3 ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.