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NumericalData

ResourceID
spase://NASA/NumericalData/Cluster-Tango/EDI/PrimeParameter/PT4S
ResourceHeader
ResourceName
Cluster-Tango Prime Parameter Electron Drift Instrument (EDI) Data
AlternateName
Cluster 4 Prime Parameter EDI data
ReleaseDate
2021-04-27 15:38:11Z
Description

This instrument (EDI: Electron Drift Instrument) measures the drift of a weak beam of test electrons that, when emitted in certain directions, return to the spacecraft after one gyration. This drift is related to the electric field and the gradient in the magnetic field, and these quantities can, by the use of different electron energies, be determined separately. The fundamental time step to determine the new parameters and direct the beams and the detectors is 2 ms. Inter-experiment links include: magnetic field information from FGM and STAFF, a blanking pulse received from WHISPER to warn of possible interference from that active experiment, and a similar blanking pulse sent to PEACE when the EDI electron beam could interfere with the PEACE electron measurement. For more details of the Cluster mission, the spacecraft, and its instruments, see the report Cluster: mission, payload and supporting activities, March 1993, ESA SP-1159, and the included article The Electron Drift Instrument for Cluster, by G. Paschmann et al., from which this information was obtained.

Acknowledgement
NASA, Dr. Goetz Paschmann, European Space Agency
Contacts
RolePersonStartDateStopDateNote
1.PrincipalInvestigatorspase://SMWG/Person/Goetz.Paschmann
2.CoInvestigatorspase://SMWG/Person/Arne.Pedersen
3.CoInvestigatorspase://SMWG/Person/F.Melzner
4.CoInvestigatorspase://SMWG/Person/Elden.C.Whipple
5.CoInvestigatorspase://SMWG/Person/Carl.E.McIlwain
6.CoInvestigatorspase://SMWG/Person/R.Walker.Fillius
7.CoInvestigatorspase://SMWG/Person/Gerhard.Haerendel
8.CoInvestigatorspase://SMWG/Person/Vittorio.Formisano
9.CoInvestigatorspase://SMWG/Person/Koichiro.Tsuruda
10.CoInvestigatorspase://SMWG/Person/Roy.B.Torbert
11.CoInvestigatorspase://SMWG/Person/Wolfgang.Baumjohann
12.CoInvestigatorspase://SMWG/Person/Ermanno.Amata
13.CoInvestigatorspase://SMWG/Person/Jack.M.Quinn
14.CoInvestigatorspase://SMWG/Person/Otto.Bauer
15.CoInvestigatorspase://SMWG/Person/Hajime.Hayakawa
16.CoInvestigatorspase://SMWG/Person/Rudolf.A.Treumann
17.MetadataContactspase://SMWG/Person/James.M.Weygand
InformationURL
Name
NSSDC Master Catalog listing for the Cluster II Tango Electron Drift Instrument (EDI)
URL
Description

This site provides information concerning the Cluster II Tango Electron Drift Instrument.

Association
AssociationID
AssociationType
ObservedBy
PriorIDs
spase://VMO/NumericalData/Cluster2-Tango/EDI/PrimeParameter/4S
spase://VMO/NumericalData/Cluster-Tango/EDI/PrimeParameter/4S
spase://VSPO/NumericalData/Cluster-Tango/EDI/PrimeParameter/PT4S
spase://ESA/NumericalData/Cluster-Tango/EDI/PrimeParameter/PT4S
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description

Cluster II Tango Prime Parameter Electron Drift Instrument (EDI) data

AccessURL
Name
HTTPS from SPDF
URL
Description

In CDF via HTTP from SPDF

AccessURL
Format
CDF
Acknowledgement
NASA, Goetz Paschmann
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
C4_PP_EDI
Description

Web Service to this product using the HAPI interface.

Format
CSV
Acknowledgement
NASA, Goetz Paschmann
ProcessingLevel
Calibrated
ProviderResourceName
Cluster II Tango Prime Parameter Electron Drift Instrument (EDI) Data
ProviderProcessingLevel
Calibrated
ProviderVersion
1
InstrumentIDs
MeasurementType
ElectricField
TemporalDescription
TimeSpan
StartDate
2000-12-09 00:00:00
RelativeStopDate
-P3M
Note
Time format in data files is: day, month, year hour, min, seconds. Ex: 01-Jan-1981 00:00:00.000
Cadence
PT4S
ObservedRegion
Earth.Magnetosheath
ObservedRegion
Earth.Magnetosphere
ObservedRegion
Earth.Magnetosphere.Magnetotail
ObservedRegion
Earth.Magnetosphere.Main
ObservedRegion
Earth.Magnetosphere.Polar
ObservedRegion
Earth.Magnetosphere.RadiationBelt
ObservedRegion
Earth.NearSurface.AuroralRegion
ObservedRegion
Earth.NearSurface.Ionosphere
ObservedRegion
Earth.NearSurface.Plasmasphere
ObservedRegion
Earth.NearSurface.PolarCap
ObservedRegion
Heliosphere.NearEarth
Keywords
4 second
magnetosphere
auroral region
polar cap
cusp
bow shock
solar wind
magnetosheath
Cluster
magnetotail
lobe
Parameter #1
Name
Half Sample Time Interval
ParameterKey
Half_interval__C4_PP_EDI
Description

Half width of measurement interval

Cadence
PT4S
Units
ms
UnitsConversion
1.0e-3>s
FillValue
-1.0000e+31
Support
SupportQuantity
Other
Parameter #2
Name
Universal Time
ParameterKey
Epoch__C4_PP_EDI
Description

Universal Time in data cell: day, month, year hour, min, seconds. Ex: 01-Jan-1981 00:00:00.000.

Cadence
PT4S
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
AxisLabel
Epoch
FillValue
-1.0000e+31
Support
SupportQuantity
Temporal
Parameter #3
Name
Status
ParameterKey
Status__C4_PP_EDI
Description

Cluster II Tango Prime Parameter Electron Drift Instrument status at spin time resolution

Cadence
PT4S
ValidMin
0
ValidMax
255
FillValue
255
Support
SupportQuantity
Other
Parameter #4
Name
Drift Velocity
ParameterKey
V_ed_xyz_gse__C4_PP_EDI
Description

Cluster II Tango Prime Parameter Electron Drift Instrument drift velocity at spin time resolution

Cadence
PT4S
Units
km/s
UnitsConversion
1000.0>m s^-1
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
RenderingHints
ScaleMin
-600
ScaleMax
600
Structure
Size
3
Element
Name
Vx GSE
Qualifier
Component.I
Index
1
Element
Name
Vy GSE
Qualifier
Component.J
Index
2
Element
Name
Vz GSE
Qualifier
Component.K
Index
3
ValidMin
-2000
ValidMax
2000
FillValue
-1.0000e+31
Particle
ParticleType
Electron
Qualifier
Vector
ParticleQuantity
Velocity
Parameter #5
Name
Electric Field
ParameterKey
E_xyz_gse__C4_PP_EDI
Description

Cluster II Tango Prime Parameter Electron Drift Instrument electric field at spin time resolution

Cadence
PT4S
Units
mV/m
UnitsConversion
0.001>V m^-1
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
RenderingHints
ScaleMin
-30
ScaleMax
30
Structure
Size
3
Element
Name
Ex GSE
Qualifier
Component.I
Index
1
Element
Name
Ey GSE
Qualifier
Component.J
Index
2
Element
Name
Ez GSE
Qualifier
Component.K
Index
3
ValidMin
-200
ValidMax
200
FillValue
-1.0000e+31
Field
Qualifier
Vector
FieldQuantity
Electric
Parameter #6
Name
Reduced Chi-squared Values
ParameterKey
Reduced_chi_sq__C4_PP_EDI
Description

Cluster II Tango Prime Parameter Electron Drift Instrument reduced chi-squared values of the BESTARG fit at spin time resolution

Cadence
PT4S
RenderingHints
ScaleMin
0
ScaleMax
100
ValidMin
0
ValidMax
100
FillValue
-1.0000e+31
Support
SupportQuantity
Other