PHI
E1047344
PHI is a scientific instrument designed to study the Sun’s magnetic fields and internal structure using polarimetric and helioseismic measurements.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
helioseismology instrument
ⓘ
polarimetric instrument ⓘ scientific instrument ⓘ solar telescope instrument ⓘ |
| acronymFor | Polarimetric and Helioseismic Imager NERFINISHED ⓘ |
| dataType |
high-cadence helioseismic data
ⓘ
high-precision polarimetric data ⓘ |
| designedFor | remote sensing of the Sun ⓘ |
| enables |
helioseismic inversions
ⓘ
magnetic field inversions ⓘ |
| fieldOfStudy |
helioseismology
ⓘ
solar magnetism ⓘ solar physics ⓘ |
| fullName | Polarimetric and Helioseismic Imager NERFINISHED ⓘ |
| hasCapability |
intensity imaging
ⓘ
line-of-sight velocity measurements ⓘ vector magnetic field measurements ⓘ |
| measurementGoal |
determine solar oscillation properties
ⓘ
determine solar surface magnetic field vector ⓘ |
| observes |
solar line-of-sight velocities
ⓘ
solar photosphere ⓘ vector magnetic field at the solar surface ⓘ |
| primaryObjective |
study the Sun’s internal structure
ⓘ
study the Sun’s magnetic field ⓘ |
| provides |
Dopplergrams
ⓘ
continuum intensity images ⓘ magnetograms ⓘ |
| scientificGoal |
characterize meridional flows in the solar interior
ⓘ
characterize solar internal rotation ⓘ constrain models of the solar dynamo ⓘ improve prediction of solar activity ⓘ understand coupling between solar interior and atmosphere ⓘ |
| studies |
solar active regions
ⓘ
solar convection zone ⓘ solar dynamo processes ⓘ solar interior ⓘ solar magnetic fields ⓘ sunspots ⓘ |
| supportsResearchOn |
solar cycle variability
ⓘ
solar interior dynamics ⓘ solar magnetism ⓘ space weather ⓘ |
| targetBody | Sun NERFINISHED ⓘ |
| usesMeasurementType |
helioseismic measurements
ⓘ
polarimetric measurements ⓘ |
| usesTechnique |
Doppler imaging
ⓘ
spectropolarimetry ⓘ time–distance helioseismology ⓘ |
Referenced by (1)
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