2.3.2
spase://NASA/NumericalData/Wind/EPACT/STEP/Directional/DifferentialFlux/Helium/PT10M
Wind Energetic Particle Acceleration Composition Transport (EPACT) SupraThermal Energetic Particle Telescope (STEP) Differential, Directional Helium Fluxes, 10 min Data
https://doi.org/10.48322/z4p2-ky35
2021-05-31T12:34:56.789
2021-05-31T12:34:56.789
Updated to SPASE Version 2.3.2 if needed, Applied quality control for DOI usage, LFB
The EPACT Instrument on Wind STEP - SupraThermal Energetic Particle Telescope measures Ion Fluxes of Protons (H) in 0.12.5 MeV Energy Range and He-Fe Nuclei in the ~0.032 MeV/nucleon Energy Ranges in two identical Telescopes, each with a Geometrical Factor of 0.4 cm^2 sr and a rectangular Field of View with an Angular Acceptance of 44° in Azimuth and 17° in Polar Angle.
Mihir Desai
Mihir, Desai; Mukherjee, Joey; & Filwett, Rachael J.
2021-01-01T00:00:00
NASA Space Physics Data Facility
spase://SMWG/Person/Mihir.Desai
PrincipalInvestigator
spase://SMWG/Person/Robert.E.McGuire
MetadataContact
spase://SMWG/Person/Lee.Frost.Bargatze
MetadataContact
Wind Project Web Site - Comprehensive Solar Wind Laboratory for Long-Term Solar Wind Observations
https://wind.nasa.gov/
Wind Project Web Site
spase://VSPO/NumericalData/Wind/EPACT/STEP/Directional/DifferentialFlux/Helium/PT10M
spase://SMWG/Repository/NASA/GSFC/SPDF
Online
Open
FTPS from SPDF (not with most browsers)
ftps://spdf.gsfc.nasa.gov/pub/data/wind/epact/step/directional-diff-he-flux-10min/
Access to Data in CDF Format via ftp from SPDF
HTTPS from SPDF
https://spdf.gsfc.nasa.gov/pub/data/wind/epact/step/directional-diff-he-flux-10min/
Access to Data in CDF Format via http from SPDF
CDAWeb
https://cdaweb.gsfc.nasa.gov/index.html/
WI_EPACT_STEP-DIRECTIONAL-DIFF-HE-FLUX-10MIN
Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb
CDF
None
Mihir Desai. Please acknowledge the Data Providers and CDAWeb when using these Data.
spase://SMWG/Repository/NASA/GSFC/SPDF
Online
Open
CDAWeb HAPI Server
https://cdaweb.gsfc.nasa.gov/hapi
WI_EPACT_STEP-DIRECTIONAL-DIFF-HE-FLUX-10MIN
Web Service to this product using the HAPI interface.
CSV
Mihir Desai. Please acknowledge the Data Providers and CDAWeb when using these Data.
Calibrated
spase://SMWG/Instrument/Wind/EPACT
EnergeticParticles
Ephemeris
MagneticField
ThermalPlasma
1994-11-21T00:00:00.000
2017-12-31T23:58:32.000
PT10M
Heliosphere
Heliosphere.Inner
Heliosphere.NearEarth
Epoch Time
Epoch
Epoch Time, Beginning of Interval
Average Type: standard This parameter exhibits an increasing monotonic progression.
PT10M
ms
1.0e-3>s
Epoch
E14.8
6.2951018619904e+13
6.3745034619904e+13
LinearScale
03-Nov-1994 00:00:00.000
01-Jan-2020 00:00:00.000
-9.99e+32
Temporal
He Energy, Minimum
Time series defined by using: EPOCH
energy_min
Helium Energy, Minimum Column 1 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_min
E12.5
7 2
-9.99e+32
AlphaParticle
Minimum
Energy
2
He Energy, Center
Time series defined by using: EPOCH
energy_center
Helium Energy, Center Column 1 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_center
E12.5
LinearScale
7 2
-9.99e+32
AlphaParticle
Energy
2
He Energy, Maximum
Time series defined by using: EPOCH
energy_max
Helium Energy, Maximum Column 1 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_max
E12.5
7 2
-9.99e+32
AlphaParticle
Maximum
Energy
2
He Energy Efficiency, Low
Time series defined by using: EPOCH
energy_efficiency_low
Helium Efficiency, Low Column 1 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_efficiency_low
E12.5
7 2
-9.99e+32
AlphaParticle
Minimum
Energy
2
He Energy Efficiency, High
Time series defined by using: EPOCH
energy_efficiency_high
Helium Efficiency, High Column 1 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_efficiency_high
E12.5
7 2
-9.99e+32
AlphaParticle
Maximum
Energy
2
He Energy Efficiency, Average
Time series defined by using: EPOCH
energy_efficiency_avg
Helium Energy Efficiency, Average Column 1 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_efficiency_avg
E12.5
7 2
-9.99e+32
AlphaParticle
Average
Energy
2
He Energy, Center, Telescope 1
Time series defined by using: EPOCH
ENERGY_CENTER_T1
Helium Energy, Center, Telescope 1
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: energy_center.
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_center
E12.5
LinearScale
7
HE energy center 1
1
1
HE energy center 2
2
2
HE energy center 3
3
3
HE energy center 4
4
4
HE energy center 5
5
5
HE energy center 6
6
6
HE energy center 7
7
7
0.0
100000.0
-9.99e+32
Proton
Energy
1
He Energy, Center, Telescope 2
Time series defined by using: EPOCH
ENERGY_CENTER_T2
Helium Energy, Center, Telescope 2
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: energy_center.
PT10M
MeV/n
1.602176565e-13>J/n
He_energy_center
E12.5
LinearScale
7
HE energy center 1
1
1
HE energy center 2
2
2
HE energy center 3
3
3
HE energy center 4
4
4
HE energy center 5
5
5
HE energy center 6
6
6
HE energy center 7
7
7
0.0
100000.0
-9.99e+32
Proton
Energy
1
He Flux
Time series defined by using: EPOCH
flux
Helium Flux Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 3 Labels from HE_INDEX: [1, 2]
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
HE_flux
E12.5
8 7 2
-9.99e+32
Ion
Differential
NumberFlux
He Flux Uncertainty, Sigma
Time series defined by using: EPOCH
flux_sigma
Helium Flux Uncertainty, Sigma Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 2 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"] Column 3 Labels from HE_INDEX: [1, 2]
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
He_flux_sigma
E12.5
8 7 2
-9.99e+32
Ion
Differential
Uncertainty
NumberFlux
He Flux, Telescope 1, Energy versus Pitch Angle
Time series defined by using: EPOCH
FLUX_T1
Helium Flux, Telescope 1, Energy versus Pitch Angle Displays Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 2 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"]
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: flux.
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
He_flux
E12.5
LinearScale
8 7
-9.99e+32
Ion
Differential
NumberFlux
He Flux, Telescope 2, Energy versus Pitch Angle
Time series defined by using: EPOCH
FLUX_T2
Helium Flux, Telescope 2, Energy versus Pitch Angle Displays Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 2 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"]
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: flux.
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
He_flux
E12.5
LinearScale
8 7
-9.99e+32
Ion
Differential
NumberFlux
He Flux, Telescope 1, Spectrograms by Energy
Time series defined by using: EPOCH
flux_t1_byE_atA
Helium Flux, Telescope 1, 8 Pitch Angles as Spectrograms by Energy Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 2 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"]
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: FLUX_T1.
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
Spectrogram
He_flux
E12.5
8 7
-9.99e+32
Ion
Differential
NumberFlux
He Flux, Telescope 2, Spectrograms by Energy
Time series defined by using: EPOCH
flux_t2_byE_atA
Helium Flux, Telescope 2, 8 Pitch Angles as Spectrograms by Energy Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 2 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"]
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: FLUX_T2.
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
Spectrogram
He_flux
E12.5
8 7
-9.99e+32
Ion
Differential
NumberFlux
He Flux, Telescope 1, Spectrograms by Pitch Angle
Time series defined by using: EPOCH
flux_t1_byA_atE
Helium Flux, Telescope 1, 7 Energies as Spectrograms by Pitch Angle Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 2 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"]
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: FLUX_T1.
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
Spectrogram
He_flux
E12.5
8 7
-9.99e+32
Ion
Differential
NumberFlux
He Flux, Telescope 2, Spectrograms by Pitch Angle
Time series defined by using: EPOCH
flux_t2_byA_atE
Helium Flux, Telescope 2, 7 Energies as Spectrograms by Pitch Angle Column 1 Labels from SECTOR_INDEX: ["Sector 2 x deg","Sector 3 x deg","Sector 4 x deg","Sector 5 x deg","Sector 6 x deg","Sector 7 x deg","Sector 8 x deg","Sector 8 x deg"] Column 2 Labels from HE_INDEX: ["HE energy center 2","HE energy center 3","HE energy center 4","HE energy center 5","HE energy center 6","HE energy center 7","HE energy center 7"]
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: FLUX_T2.
PT10M
(cm^2 s sr MeV/n)^-1
6.24161e-19>(m^2 s sr J/n)^-1
Spectrogram
He_flux
E12.5
8 7
-9.99e+32
Ion
Differential
NumberFlux
He Index
Time series defined by using: EPOCH
HE_index
Helium index
PT10M
I2
LinearScale
7
1
7
-9
Other
Sector Index
Time series defined by using: EPOCH
SECTOR_index
Sector Index
PT10M
sector index
Sector Index
I2
LinearScale
8
1
8
-9
Other
Telescope Index
Time series defined by using: EPOCH
TELESCOPE_index
Telescope Index
PT10M
I2
LinearScale
2
1
2
-9
Other
Magnetic Field, Magnitude
Time series defined by using: EPOCH
B
Magnetic Field, Magnitude
PT10M
nT
1.0e-9>T
B
E12.5
2
B Telescope 1
1
1
B Telescope 2
2
2
-1000.0
1000.0
-9.99e+32
Magnitude
Magnetic
Magnetic Field, Theta Angle
Time series defined by using: EPOCH
Btheta
Magnetic Field, Theta Angle
PT10M
°
0.0174532925>rad
Spherical
GSE
Btheta
E12.5
2
Btheta Telescope 1
1
1
Btheta Telescope 2
2
2
-90.0
90.0
-9.99e+32
DirectionAngle.PolarAngle
Magnetic
Magnetic Field, Phi Angle
Time series defined by using: EPOCH
Bphi
Magnetic Field, Phi Angle
PT10M
°
0.0174532925>rad
Spherical
GSE
Bphi
E12.5
2
Bphi Telescope 1
1
1
Bphi Telescope 2
2
2
0.0
360.0
-9.99e+32
DirectionAngle.AzimuthAngle
Magnetic
Magnetic Field, Root Mean Square (RMS)
Time series defined by using: EPOCH
Brms
Magnetic Field, Root Mean Square (RMS)
PT10M
nT
1.0e-9>T
Brms
E12.5
2
Brms Telescope 1
1
1
Brms Telescope 2
2
2
0.0
1000.0
-9.99e+32
Variance
Magnetic
Spacecraft Radial Distance
Time series defined by using: EPOCH
R
Spacecraft Radial Distance
PT10M
Re
6.3712e6>m
R
E12.5
2
R Telescope 1
1
1
R Telescope 2
2
2
0.0
300.0
-9.99e+32
Magnitude
Positional
Spacecraft Position, GSE Cartesian Coordinates
Time series defined by using: EPOCH
xyzGSE
Spacecraft Position, Geocentric Solar Ecliptic, GSE, Cartesian Coordinates Column 1 Labels from TELESCOPE_INDEX: [x (GSE),y (GSE),z (GSE)] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
Re
6.3712e6>m
Cartesian
GSE
XYZ GSE
E12.5
3 2
-9.99e+32
Vector
Positional
XYZ GSE, Telescope 1
Time series defined by using: EPOCH
xyzGSE_T1
XYZ GSE, Telescope 1
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: xyzGSE.
PT10M
Re
6.3712e6>m
Cartesian
GSE
TimeSeries
XYZ GSE Telescope 1
E12.5
3
Element 1
1
x (GSE)
Element 2
2
y (GSE)
Element 3
3
z (GSE)
-300.0
300.0
-9.99e+32
Vector
Positional
XYZ GSE, Telescope 2
Time series defined by using: EPOCH
xyzGSE_T2
XYZ GSE, Telescope 2
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: xyzGSE.
PT10M
Re
6.3712e6>m
Cartesian
GSE
TimeSeries
XYZ GSE Telescope 2
E12.5
3
Element 1
1
x (GSE)
Element 2
2
y (GSE)
Element 3
3
z (GSE)
-300.0
300.0
-9.99e+32
Vector
Positional
Solar Wind Velocity, Vsw
Time series defined by using: EPOCH
Vsw
Solar Wind Velocity, Vsw
PT10M
km/s
1.0e3>m/s
Vsw
E12.5
2
Vsw Telescope 1
1
1
Vsw Telescope 2
2
2
-3000.0
3000.0
-9.99e+32
AlphaParticle
Magnitude
Velocity
2
Spacecraft Velocity, GSE Cartesian Coordinates
Time series defined by using: EPOCH
velocity
Spacecraft Velocity, Geocentric Solar Ecliptic, GSE, Cartesian Coordinates Column 1 Labels from TELESCOPE_INDEX: [Vx,Vy,Vz] Column 2 Labels from TELESCOPE_INDEX: [1, 2]
PT10M
km/s
1.0e3>m/s
Cartesian
GSE
Velocity
E12.5
3 2
-9.99e+32
Vector
Positional
Velocity, Telescope 1
Time series defined by using: EPOCH
velocity_T1
Velocity, Telescope 1
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: velocity.
PT10M
km/s
1.0e3>m/s
TimeSeries
Velocity Telescope 1
E12.5
3
Element 1
1
Vx
Element 2
2
Vy
Element 3
3
Vz
-10000.0
10000.0
-9.99e+32
AlphaParticle
Velocity
2
Velocity, Telescope 2
Time series defined by using: EPOCH
velocity_T2
Velocity, Telescope 2
This parameter is virtual. It is calculated by calling the function ARR_SLICE with the following input parameters: velocity.
PT10M
km/s
1.0e3>m/s
TimeSeries
Velocity Telescope 2
E12.5
3
Element 1
1
Vx
Element 2
2
Vy
Element 3
3
Vz
-10000.0
10000.0
-9.99e+32
AlphaParticle
Velocity
2
Proton Number Density
Time series defined by using: EPOCH
Np
Proton Number Density
PT10M
cm^-3
1.0e6>m^-3
Np
E12.5
2
Np Telescope 1
1
1
Np Telescope 2
2
2
0.0
10000.0
-9.99e+32
Proton
Scalar
NumberDensity
1