Version:2.3.2
NumericalData
ResourceID
spase://NASA/NumericalData/Wind/3DP/EESA_LOW/Moments
ResourceHeader
ResourceName
Wind 3DP EESA-LOW Electron Moments
DOI
https://doi.org/10.48322/4tk0-a011
ReleaseDate
2021-05-31 12:34:56.789
RevisionHistory
RevisionEvent
ReleaseDate
2021-05-31 12:34:56.789
Note
Updated to SPASE Version 2.3.2 if needed, Applied quality control for DOI usage, LFB
Description
Electron Moments (ground-computed), EESA Low, Wind 3DP - R. Lin (UC Berkeley)
Acknowledgement
Principle Investigators Robert Lin and Stuart Bale, the Wind 3DP team, and the Space Physics Data Facility (SPDF)/NASA GSFC
PublicationInfo
Authors
Lin, Robert P.; Bale, Stuart D.; & Wilson III, Lynn B.
PublicationDate
2021-01-01 00:00:00
PublishedBy
NASA Space Physics Data Facility and the Space Sciences Laboratory, University of California, Berkeley
Contacts
InformationURL
Name
Caveats to the use of Wind 3DP data
URL
Description
Caveats for the correct use of Wind 3DP datasets
InformationURL
Name
Wind 3DP home page at UCB
URL
Description
home page at UCB (with plotting and digital data)
PriorIDs
spase://VSPO/NumericalData/Wind/3DP/EESA_LOW/Moments
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description
AccessURL
Name
HTTPS from SPDF
URL
Description
In CDF via HTTP from SPDF
Format
CDF
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb
URL
ProductKey
WI_ELM2_3DP
Format
Text
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
WI_ELM2_3DP
Description
Web Service to this product using the HAPI interface.
Format
CSV
InstrumentIDs
MeasurementType
ThermalPlasma
TemporalDescription
TimeSpan
StartDate
1994-11-15 12:54:33.000Z
RelativeStopDate
-P30D
ObservedRegion
Heliosphere.NearEarth
Caveats
Note Feb2015 Correct spacecraft potential is important to scientifically useful results .No documentation found on how this potential has been calculated.
Parameter #1
Name
Epoch
ParameterKey
Epoch
Description
Number of milliseconds since CDF_EPOCH: 0000-01-01T00:00:00.000.
Units
ms
UnitsConversion
1e-3>s
ValidMin
01-Jan-1956 00:00:00.000
ValidMax
01-Jan-2083 00:00:00.000
FillValue
-1.0E31
Support
Parameter #2
Name
Unix Time
ParameterKey
TIME
Description
Time since 1970-01-01T00:00:00Z in seconds
Units
s
Support
Parameter #3
Name
Spacecraft Potential
ParameterKey
SC_POT
Description
Spacecraft potential estimated from electron ONLY measurements
Units
ev
ValidMin
0.0
ValidMax
1000000.0
Support
Parameter #4
Name
Spacecraft Current Contribution
ParameterKey
SC_CURRENT
Description
Current contribution to the spacecraft from thermal electrons
Units
#/cm2-sec
Support
Parameter #5
Name
Magnetic field vector in GSE coordinates
ParameterKey
MAGF
Description
magnetic field vector interpolated (linearly) to the time of the EESA Low distribution, in GSE cartesian components
Units
nT
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
Structure
Size
3
Element
Name
Bx
Index
1
ValidMin
-1000
ValidMax
1000
Element
Name
By
Index
2
ValidMin
-1000
ValidMax
1000
Element
Name
Bz
Index
3
ValidMin
-1000
ValidMax
1000
Field
Qualifier
Moment
Qualifier
Vector
FieldQuantity
Magnetic
Parameter #6
Name
Electron Density
ParameterKey
DENSITY
Description
Units
#/cm3
UnitsConversion
1e6->m^3
Particle
ParticleType
Electron
Qualifier
Moment
ParticleQuantity
NumberDensity
EnergyRange
Parameter #7
Name
Electron Temperature
ParameterKey
AVGTEMP
Description
Average electron temperature
Units
eV
UnitsConversion
1.160445e4>K
Particle
ParticleType
Electron
Qualifier
Moment
ParticleQuantity
Temperature
EnergyRange
Parameter #8
Name
Electron probable speed
ParameterKey
VTHERMAL
Description
lectron most probable speed
Units
km/sec
Particle
ParticleType
Electron
ParticleQuantity
ThermalSpeed
EnergyRange
Parameter #9
Name
Electron Velocity
ParameterKey
VELOCITY
Description
electron Flow Velocity, GSE cartesian
Units
km/s
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
Structure
Size
3
Element
Name
electron_Vx
Index
1
ValidMin
-1000
ValidMax
1000
Element
Name
electron_Vy
Index
2
ValidMin
-1000
ValidMax
1000
Element
Name
electron_Vz
Index
3
ValidMin
-1000
ValidMax
1000
Particle
ParticleType
Electron
ParticleQuantity
FlowVelocity
Parameter #10
Name
Electron Flux
ParameterKey
FLUX
Description
electron total number flux - cartesian GSE
Units
#/(cm^2*ster*eV*s)
Structure
Particle
ParticleType
Electron
ParticleQuantity
NumberFlux
Parameter #11
Name
Electron Pressure Tensor
ParameterKey
PTENS
Description
electron Pressure Tensor calculated in the GSE coordinate basis. The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ
Particle
ParticleType
Electron
Qualifier
Tensor
ParticleQuantity
Pressure
Parameter #12
Name
Electron Momentum Flux Tensor
ParameterKey
MFTENS
Description
electron Momentum Flux Tensor calculated in the GSE coordinate basis. The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ
Particle
ParticleType
Electron
Qualifier
Tensor
ParticleQuantity
NumberFlux
Parameter #13
Name
T3
ParameterKey
electron Temperature eigenvalues
Description
electron Temperature eigenvalues after diagonalization of tensor, calculated in the GSE coordinate basis. The elements correspond to: XX, YY, ZZ
Units
eV
Particle
ParticleType
Electron
ParticleQuantity
Temperature
Parameter #14
Name
Symmetry direction, electron pressure tensor
ParameterKey
SYMM
Description
ZZ-component of the eigenvectors associated with the eigen values from the diagonalized .T3 (i.e., the eigenvector associated with the Z eigen value from .T3 or .T3[2])
Particle
ParticleType
Electron
Qualifier
Tensor
ParticleQuantity
Pressure
Parameter #15
Name
electron symmetry direction, latitude
ParameterKey
SYMM_THETA
Description
Spherical coordinate latitude of SYMM
Units
Degrees
Particle
ParticleType
Electron
Qualifier
DirectionAngle.PolarAngle
ParticleQuantity
Pressure
Parameter #16
Name
electron symmetry direction, longitude
ParameterKey
SYMM_PHI
Description
Spherical coordinate longitude of SYMM
Units
Degrees
Particle
ParticleType
Electron
Qualifier
DirectionAngle.AzimuthAngle
ParticleQuantity
Pressure
Parameter #17
Name
Angle of electron symmetry direction to B
ParameterKey
SYMM_ANG
Description
angle between the ZZ-component of the eigenvectors associated with the eigen values from the diagonalized .T3 and the magnetic field vector (i.e., .MAGF vector)
Units
Degrees
Support
Parameter #18
Name
Electron temperature tensor.
ParameterKey
MAGT3
Description
electron temperature tensor rotated into a field-aligned coordinate basis and then taking the diagonal elements only
Units
eV
Particle
ParticleType
Electron
Qualifier
Tensor
ParticleQuantity
Temperature
Parameter #19
Name
electron energy range
ParameterKey
ERANGE
Description
electron energy range used to compute the moments
Units
eV
Particle
ParticleType
Electron
ParticleQuantity
Energy
Parameter #20
Name
Electron mass
ParameterKey
MASS
Description
electron mass of species. Units are eV/c^2, where c = speed of light in units of km/s. This results is a value of ~5.68566 x 10^(-6) for electrons and ~0.0104389 for protons.
Units
eV/c^2
Particle
ParticleType
Electron
ParticleQuantity
Mass
Parameter #21
Name
Electron Validity flag
ParameterKey
VALID
Description
electron Validity flag indicating whether data point is considered valid (0=invalid, 1=valid)
Support
Parameter #22
Name
Electron bulk velocity; magnitude
ParameterKey
VEL_MAG
Description
Units
km/s
Particle
ParticleType
Electron
Qualifier
Magnitude
ParticleQuantity
FlowVelocity
Parameter #23
Name
Electron bulk flow velocity; latitude
ParameterKey
VEL_TH
Description
electron bulk flow velocity; latitude/theta
Units
Degrees
Particle
ParticleType
Electron
Qualifier
DirectionAngle.PolarAngle
ParticleQuantity
FlowVelocity
Parameter #24
Name
Electron bulk flow velocity; longitude
ParameterKey
VEL_PHI
Description
electron bulk flow velocity; longitude/phi
Units
Degrees
Particle
ParticleType
Electron
Qualifier
DirectionAngle.AzimuthAngle
ParticleQuantity
FlowVelocity