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SWEAP SPANi

ResourceID
spase://CNES/Instrument/CDPP-AMDA/PSP/SPI

Description

The SPAN-Ai instrument uses curved plates to create electrostatic optics that sort incoming ions based on their energy-per-charge and utilizes segmented anodes and electrostatic deflectors to select particles based on their azimuthal and elevation angles.
This allows each particle's velocity to be determined. SPAN-Ai alos has time-of-flight electrons that can measure the mass-to-charge ratio of the incoming ions.
* Sensor Type: Electrostatic Analyzer with Time-of-Flight
* Particles Measured: Positively charged ions
* Energy Range: TBD-30,000 V (proton speeds of TBD-2400 km/s)
* Spacecraft Placement: Ram-pointing
* Heritage Instruments: MAVEN/SWIA, THEMIS/ESA, and Wind/3DP
* Fun Fact: By using the time-of-flight electrons in addition to the energy/charge selection SPAN-Ai can unambiguously measure the proportion of helium nuclei compared to that of protons.

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Details

Version:2.4.1

Instrument

ResourceID
spase://CNES/Instrument/CDPP-AMDA/PSP/SPI
ResourceHeader
ResourceName
SWEAP SPANi
AlternateName
Solar Probe Analyser (SPAN) ion
ReleaseDate
2019-11-12 16:00:05Z
Description

The SPAN-Ai instrument uses curved plates to create electrostatic optics that sort incoming ions based on their energy-per-charge and utilizes segmented anodes and electrostatic deflectors to select particles based on their azimuthal and elevation angles.
This allows each particle's velocity to be determined. SPAN-Ai alos has time-of-flight electrons that can measure the mass-to-charge ratio of the incoming ions.
* Sensor Type: Electrostatic Analyzer with Time-of-Flight
* Particles Measured: Positively charged ions
* Energy Range: TBD-30,000 V (proton speeds of TBD-2400 km/s)
* Spacecraft Placement: Ram-pointing
* Heritage Instruments: MAVEN/SWIA, THEMIS/ESA, and Wind/3DP
* Fun Fact: By using the time-of-flight electrons in addition to the energy/charge selection SPAN-Ai can unambiguously measure the proportion of helium nuclei compared to that of protons.

Acknowledgement
Acknowledgement to the NASA Parker Solar Probe Mission and the SWEAP team led by J.Kasper for use of data
Contacts
RolePersonStartDateStopDateNote
1.PrincipalInvestigatorspase://SMWG/Person/Justin.C.Kasper
2.MetadataContactspase://SMWG/Person/James.M.Weygand
InformationURL
Name
SWEAP Instruments webpage
URL
Description

SWEAP Instrument Web Page

InstrumentType
ElectrostaticAnalyser
InvestigationName
Parker Solar Probe SWEAP Investigation
ObservatoryID