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Cluster 2 - WHISPER - electric field : spectral density

ResourceID
spase://CNES/NumericalData/CDPP-AMDA/Cluster/Cluster2/WHISPER/clust2-whi-pp

Description
Wave power values: E_pow_f4, E_pow_f5, E_pow_f6, E_pow_su and E_var_ts, are related to recording of natural wave emissions. Those parameters, not affected by variations in instrument's transfer functions, are globally OK. However, two factors can affect the precision of the measurements: a) the occasional presence of spurious emissions created by operations of the EDI instrument increases the wave power values measured on SC1, SC2 and SC3, from an unknown amount, b) the limited dynamical range of the instrument leads to an underestimation of the E_pow parameters values when the voltage difference measured by the double sphere antenna signal in the 2 - 80 kHz band is higher than 150 mVp or 600 mVp (depending of the gain chosen). As a consequence, high values have to be taken with special caution.

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Version:2.4.1

NumericalData

ResourceID
spase://CNES/NumericalData/CDPP-AMDA/Cluster/Cluster2/WHISPER/clust2-whi-pp
ResourceHeader
ResourceName
Cluster 2 - WHISPER - electric field : spectral density
AlternateName
Cluster 2 Prime Parameter WHISPER Data
ReleaseDate
2013-05-03 12:02:21Z
Description
Wave power values: E_pow_f4, E_pow_f5, E_pow_f6, E_pow_su and E_var_ts, are related to recording of natural wave emissions. Those parameters, not affected by variations in instrument's transfer functions, are globally OK. However, two factors can affect the precision of the measurements: a) the occasional presence of spurious emissions created by operations of the EDI instrument increases the wave power values measured on SC1, SC2 and SC3, from an unknown amount, b) the limited dynamical range of the instrument leads to an underestimation of the E_pow parameters values when the voltage difference measured by the double sphere antenna signal in the 2 - 80 kHz band is higher than 150 mVp or 600 mVp (depending of the gain chosen). As a consequence, high values have to be taken with special caution.
Acknowledgement
Principal Investigator: Jean Louis Rauch
Contacts
Role Person StartDate StopDate Note
1. PrincipalInvestigator spase://SMWG/Person/Jean-Louis.Rauch
InformationURL
Name
ESA web page
URL
http://www.cosmos.esa.int/web/csa/documentation
Description
This site contains WHISPER data documentation
InformationURL
Name
NSSDC Master Catalog
URL
http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=2000-045A-11
Description
This site provides information concerning the Cluster II Salsa Waves of HF and Sounder for Probing Electron Density by Relaxation Instrument.
AccessInformation
RepositoryID
spase://SMWG/Repository/CDPP/AMDA
Availability
Online
AccessRights
Open
AccessURL
Name
CDPP/AMDA HAPI Server
URL
https://amda.irap.omp.eu/service/hapi
Style
HAPI
ProductKey
clust2-whi-pp
Description
Web Service to this product using the HAPI interface.
Format
CSV
Acknowledgement
Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.
AccessInformation
RepositoryID
spase://SMWG/Repository/CDPP/AMDA
Availability
Online
AccessRights
Open
AccessURL
Name
CDPP/AMDA Web application
URL
https://amda.cdpp.eu
Description
Access to Data via CDPP/AMDA Web application.
Format
CSV
Format
VOTable
Format
CDF
Format
PNG
Acknowledgement
Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.
ProcessingLevel
Calibrated
ProviderName
CSDS-CNES
ProviderProcessingLevel
Calibrated
InstrumentIDs
spase://CNES/Instrument/CDPP-AMDA/Cluster2/WHISPER
MeasurementType
ElectricField
MeasurementType
Waves.Passive
TemporalDescription
TimeSpan
StartDate
2001-01-09 15:10:02Z
StopDate
2012-12-31 23:59:50Z
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
f4 : 4-10 kHz
ParameterKey
c2_whipp_f4
Description
Electric field spectral density in the 4-10 kHz (f4) frequency range at spin time resolution
UCD
phys.density;phys.electron
Cadence
PT4S
Units
V^2 m^-2 Hz^-1
UnitsConversion
1.0>V^2 m^-2 Hz^-1
RenderingHints
DisplayType
TimeSeries
AxisLabel
Epow_f4
ScaleMin
1.0000e-16
ScaleMax
1.0000e-6
ValidMin
1.0000e-18
ValidMax
1.0000e-6
FillValue
-1.0000e+31
Field
Qualifier
Scalar
FieldQuantity
Electric
FrequencyRange
Low
4000
High
10000
Units
Hz
Parameter #2
Name
f5 : 10-20 kHz
ParameterKey
c2_whipp_f5
Description
Electric field spectral density in the 10-20 kHz (f5) frequency range at spin time resolution
UCD
phys.density;phys.electron
Cadence
PT4S
Units
V^2 m^-2 Hz^-1
UnitsConversion
1.0>V^2 m^-2 Hz^-1
RenderingHints
DisplayType
TimeSeries
AxisLabel
Epow_f5
ScaleMin
1.0000e-18
ScaleMax
1.0000e-6
ValidMin
1.0000e-18
ValidMax
1.0000e-6
FillValue
-1.0000e+31
Field
Qualifier
Scalar
FieldQuantity
Electric
FrequencyRange
Low
10000
High
20000
Units
Hz
Parameter #3
Name
f6 : 20-80 kHz
ParameterKey
c2_whipp_f6
Description
Electric field spectral density in the 20-80 kHz (f6) frequency range at spin time resolution
UCD
phys.density;phys.electron
Cadence
PT4S
Units
V^2 m^-2 Hz^-1
UnitsConversion
1.0>V^2 m^-2 Hz^-1
RenderingHints
DisplayType
TimeSeries
AxisLabel
Epow_f6
ScaleMin
1.0000e-18
ScaleMax
1.0000e-6
ValidMin
1.0000e-18
ValidMax
1.0000e-6
FillValue
-1.0000e+31
Field
Qualifier
Scalar
FieldQuantity
Electric
FrequencyRange
Low
20000
High
80000
Units
Hz
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Last Updated: 2013-05-03