Version:2.4.1
NumericalData
ResourceID
spase://NASA/NumericalData/RBSP/B/ECT/HOPE/L2/SpinAverage/Release04/PT24S
ResourceHeader
ResourceName
Van Allen Probe B ECT HOPE Science Release #4 Spin Averaged Level 2 Data
DOI
https://doi.org/10.48322/68w5-kh78
ReleaseDate
2022-08-18 12:34:56.789
RevisionHistory
RevisionEvent
ReleaseDate
2021-04-27 15:38:11
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2022-08-18 12:34:56.789
Note
Added DOI and PublicationInfo minted by LFB, updated InformationURL URLs as needed, updated the SPDF MetadataContact Person to Robert M. Candey, metadata updated to SPASE 2.4.1, reviewed by LFB 20220818
Description
RBSP-B Energetic Particle, Composition, and Thermal Plasma Suite (ECT) Helium Oxygen Proton Electron Electrostatic Analyzer (HOPE) Spin-Averaged Science Data. Electron ~15 to 50,000 eV, Ion ~1 to 50,000 eV Fluxes, Electrons and Ions measured in Alternate Spin Cadence
Acknowledgement
Herb Funsten, Ruth Skoug, Reiner Friedel
PublicationInfo
Authors
Funsten, H.O., R.M. Skoug, and R. Friedel
PublicationDate
2022-01-01 00:00:00
PublishedBy
NASA Space Physics Data Facility
Contacts
InformationURL
Name
The MMS FIELDS Team home page at UNH
URL
Description
ECT home page
InformationURL
Name
at LANL
URL
Description
ECT SOC and data services
InformationURL
Name
Science Gateway (including Mission Rules of the Road for Data Usage)
URL
Description
Van Allen Probes
PriorIDs
spase://VSPO/NumericalData/RBSP/B/ECT/HOPE/L2/SpinAverage/Release03/PT24S
spase://VSPO/NumericalData/RBSP/B/ECT/HOPE/Science/Release03/SpinAverage/Level2
spase://ViRBO/NumericalData/RBSP/B/ECT/HOPE-SCI-L2SA/PT24S
spase://VSPO/NumericalData/RBSP/B/ECT/HOPE/L2/SpinAverage/Release04/PT24S
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description
In CDF via ftp from SPDF.
AccessURL
Name
HTTPS from SPDF
URL
Description
In CDF via http from SPDF.
AccessURL
Name
CDAWeb
URL
ProductKey
RBSPB_REL04_ECT-HOPE-SCI-L2SA
Description
Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb
Format
CDF
Encoding
None
AccessDirectoryTemplate
https://cdaweb.gsfc.nasa.gov/pub/data/rbsp/rbspb/l2/ect/hope/spinaverage/rel04/$Y
AccessFilenameTemplate
rbspb_rel04_ect-hope-sci-l2sa_$Y$m$d_$v.cdf
Acknowledgement
Herb Funsten, Ruth Skoug, Reiner Friedel. Please acknowledge the data providers and CDAWeb when using these data.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
Style
WebService
ProductKey
RBSPB_REL04_ECT-HOPE-SCI-L2SA
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
Acknowledgement
Herb Funsten, Ruth Skoug, Reiner Friedel. Please acknowledge the data providers and CDAWeb when using these data.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
RBSPB_REL04_ECT-HOPE-SCI-L2SA@0
ProductKey
RBSPB_REL04_ECT-HOPE-SCI-L2SA@1
Description
Web Service to this product using the HAPI interface.
Format
CSV
Acknowledgement
Herb Funsten, Ruth Skoug, Reiner Friedel. Please acknowledge the data providers and CDAWeb when using these data.
ProcessingLevel
Calibrated
InstrumentIDs
MeasurementType
EnergeticParticles
TemporalDescription
TimeSpan
StartDate
2012-10-25 00:00:00.000
StopDate
2019-10-18 16:30:00Z
Cadence
PT24S
ObservedRegion
Earth.Magnetosphere
ObservedRegion
Earth.Magnetosphere.Main
ObservedRegion
Earth.Magnetosphere.RadiationBelt
ObservedRegion
Earth.NearSurface.EquatorialRegion
Parameter #1
Name
Epoch
ParameterKey
Epoch
Description
Default time
Caveats
Epoch, UT
Units
ms
UnitsConversion
1.0e3>s
Mixed
Parameter #2
Name
Satellite position (GEO)
ParameterKey
Position_Ion
Description
Position of the satellite in geographic coordinates (ion timebase)
Caveats
Origin = Earths center of mass. X = Intersection of Greenwich meridian and geographic equator. Z = Geographic North Pole. Y = completes a right-handed Cartesian triad. Interpolated to ion measurement timebase from 1 min. resolution MagEphem file.
Units
km
UnitsConversion
1.0e3>m
Structure
Mixed
Parameter #3
Name
Satellite position (GEO)
ParameterKey
Position_Ele
Description
Position of the satellite in geographic coordinates (electron timebase)
Caveats
Origin = Earths center of mass. X = Intersection of Greenwich meridian and geographic equator. Z = Geographic North Pole. Y = completes a right-handed Cartesian triad. Interpolated to electron measurement timebase from 1 min. resolution MagEphem file.
Units
km
UnitsConversion
1.0e3>m
Structure
Mixed
Parameter #4
Name
Magnetic field strength
ParameterKey
B_Calc_Ion
Description
Model magnetic field strength (ion timebase)
Caveats
Interpolated to ion measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
nT
UnitsConversion
1.0e-9>T
Mixed
Parameter #5
Name
Magnetic field strength
ParameterKey
B_Calc_Ele
Description
Model magnetic field strength (electron timebase)
Caveats
Interpolated to electron measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
nT
UnitsConversion
1.0e-9>T
Mixed
Parameter #6
Name
Equatorial magnetic field strength
ParameterKey
B_Eq_Ion
Description
Model magnetic field strength at magnetic equator (ion timebase)
Caveats
Interpolated to ion measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
nT
UnitsConversion
1.0e-9>T
Mixed
Parameter #7
Name
Equatorial magnetic field strength
ParameterKey
B_Eq_Ele
Description
Model magnetic field strength at magnetic equator (electron timebase)
Caveats
Interpolated to electron measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
nT
UnitsConversion
1.0e-9>T
Mixed
Parameter #8
Name
McIlwains L parameter
ParameterKey
L_Ion
Description
Calculated McIlwains L parameter (ion timebase)
Caveats
Interpolated to ion measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Mixed
Parameter #9
Name
McIlwains L parameter
ParameterKey
L_Ele
Description
Calculated McIlwains L parameter (electron timebase)
Caveats
Interpolated to electron measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Mixed
Parameter #10
Name
Roederers L* parameter
ParameterKey
L_star_Ion
Description
Calculated Roederers L* parameter (ion timebase)
Caveats
Interpolated to ion measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Mixed
Parameter #11
Name
Roederers L* parameter
ParameterKey
L_star_Ele
Description
Calculated Roederers L* parameter (electron timebase)
Caveats
Interpolated to electron measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Mixed
Parameter #12
Name
Adiabatic invariant (bounce)
ParameterKey
I_Ion
Description
Adiabatic invariant (bounce) (ion timebase)
Caveats
Interpolated to ion measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
none
UnitsConversion
none
Mixed
Parameter #13
Name
Adiabatic invariant (bounce)
ParameterKey
I_Ele
Description
Adiabatic invariant (bounce) (electron timebase)
Caveats
Interpolated to electron measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
none
UnitsConversion
none
Mixed
Parameter #14
Name
Magnetic Local Time
ParameterKey
MLT_Ion
Description
Calculated Magnetic Local Time (ion timebase)
Caveats
Interpolated to ion measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
h
UnitsConversion
0.2618>rad
Mixed
Parameter #15
Name
Magnetic Local Time
ParameterKey
MLT_Ele
Description
Calculated Magnetic Local Time (electron timebase)
Caveats
Interpolated to electron measurement timebase from 1 min. resolution MagEphem file. Calculated with LANLGeomag library. Internal field: IGRF. External field: OP77Q.
Units
h
UnitsConversion
0.2618>rad
Mixed
Parameter #16
Name
Satellite position (GEO)
ParameterKey
Position_Ion_TT
Description
[Labels on plots] Position of the satellite in geographic coordinates(ion)
Caveats
Origin = Earths center of mass. X = Intersection of Greenwich meridian and geographic equator. Z = Geographic North Pole. Y = completes a right-handed Cartesian triad
Units
km
UnitsConversion
1.0e-3>m
Structure
Mixed
Parameter #17
Name
Magnetic field strength
ParameterKey
B_Calc_Ion_TT
Description
Calculated magnetic field strength (ion)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
nT
UnitsConversion
1.0e9>T
Mixed
Parameter #18
Name
Equatorial magnetic field strength
ParameterKey
B_Eq_Ion_TT
Description
Calculated magnetic field strength at magnetic equator(ion)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
nT
UnitsConversion
1.0e9>T
Mixed
Parameter #19
Name
McIlwains L parameter
ParameterKey
L_Ion_TT
Description
Calculated McIlwains L parameter (Earths radii, ion)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
R_E
UnitsConversion
1.5696e-7>m
Mixed
Parameter #20
Name
Roederers L* parameter
ParameterKey
L_star_Ion_TT
Description
Calculated Roederers L* parameter (Earths radii, ion)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
R_E
UnitsConversion
1.5696e-7>m
Mixed
Parameter #21
Name
Adiabatic invariant (bounce)
ParameterKey
I_Ion_TT
Description
Adiabatic invariant (bounce, ion)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
none
UnitsConversion
none
Mixed
Parameter #22
Name
Magnetic Local Time
ParameterKey
MLT_Ion_TT
Description
Calculated Magnetic Local Time (hours, ion)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
h
UnitsConversion
2.778e-4>s
Mixed
Parameter #23
Name
Satellite positele (GEO)
ParameterKey
Positele_Ele_TT
Description
[Labels on plots] Positele of the satellite in geographic coordinates(ele)
Caveats
Origin = Earths center of mass. X = Intersectele of Greenwich meridian and geographic equator. Z = Geographic North Pole. Y = completes a right-handed Cartesian triad
Units
km
Structure
Mixed
Parameter #24
Name
Magnetic field strength
ParameterKey
B_Calc_Ele_TT
Description
Calculated magnetic field strength (ele)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
nT
Mixed
Parameter #25
Name
Equatorial magnetic field strength
ParameterKey
B_Eq_Ele_TT
Description
Calculated magnetic field strength at magnetic equator(ele)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
nT
Mixed
Parameter #26
Name
McIlwains L parameter
ParameterKey
L_Ele_TT
Description
Calculated McIlwains L parameter (Earths radii, ele)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
R_E
Mixed
Parameter #27
Name
Roederers L* parameter
ParameterKey
L_star_Ele_TT
Description
Calculated Roederers L* parameter (Earths radii, ele)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
R_E
Mixed
Parameter #28
Name
Adiabatic invariant (bounce)
ParameterKey
I_Ele_TT
Description
Adiabatic invariant (bounce, ele)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
none
Mixed
Parameter #29
Name
Magnetic Local Time
ParameterKey
MLT_Ele_TT
Description
Calculated Magnetic Local Time (hours, ele)
Caveats
Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet
Units
h
Mixed
Parameter #30
Name
Detector No.
ParameterKey
HOPE_DETECTOR
Description
Detector No.
Structure
Mixed
Parameter #31
Name
Sector No.
ParameterKey
HOPE_SECTOR
Description
Sector No.
Structure
Mixed
Parameter #32
Name
Sector_Collapse for Counters data
ParameterKey
Sector_Collapse_Cntr
Description
Collapse method used for a given pixel.
Caveats
For a given pixel, the number of spin angle sectors which are collapsed on board to fit the telemetry allocation. The collapse method sums all values together, then compresses according to the following algorithm: if (sum < 16384) {return sum} else {return ((sum-16384)/64) + 16384}
Structure
Mixed
Parameter #33
Name
Acquisition_Period
ParameterKey
Acquisition_Period
Description
Acquisition_Period
Caveats
The length of a single ESA step acquisition
Units
ms
Mixed
Parameter #34
Name
Plan
ParameterKey
Plan
Description
Science data acquisition Plan
Caveats
Which science plan was used for the acquisition. The seclected science plan determines the ESA Sweep, TOF DAC, data product selection, and data collapse method used for an acquisition. As a general rule, plans 0-7 and 15 are reserved for HOPE nominal operations, and 8-14 are reserved for burst support operations.
Mixed
Parameter #35
Name
Plan_Step
ParameterKey
Plan_Step
Description
Plan_Step
Caveats
Which step within a science plan was used. Each science plan consists of up to 16 steps, each of which can specify different HVPS and telemetry configuration settings.
Mixed
Parameter #36
Name
ESA_Volt
ParameterKey
ESA_Volt
Description
ESA_Volt
Caveats
Absolute values of the ESA voltage that was used for each energy step.
Units
V
UnitsConversion
1.0>V
Structure
Mixed
Parameter #37
Name
Epoch_Ion
ParameterKey
Epoch_Ion
Description
Default time
Caveats
Epoch at times of ion mode measurements
Units
ms
Mixed
Parameter #38
Name
Epoch_Ion_DELTA
ParameterKey
Epoch_Ion_DELTA
Description
Half sample time
Caveats
Half the HOPE frame time
Units
ms
UnitsConversion
1.0e-3>s
Mixed
Parameter #39
Name
Epoch_Ele
ParameterKey
Epoch_Ele
Description
Default time
Caveats
Epoch at times of electron mode measurements
Units
ms
Mixed
Parameter #40
Name
Epoch_Ele_DELTA
ParameterKey
Epoch_Ele_DELTA
Description
Half sample time
Caveats
Half the HOPE frame time
Units
ms
UnitsConversion
1.0e-3>s
Mixed
Parameter #41
Name
ESA_Polarity
ParameterKey
ESA_Polarity
Description
Polarity of the ESA voltage.
Caveats
Polarity of the ESA voltage. 0 = positive (electron mode), 1 = negative (ion mode)
Mixed
Parameter #42
Name
ESA_Sweep
ParameterKey
ESA_Sweep
Description
ESA_Sweep
Caveats
Which of the 16 ESA Sweep ptables was used for the acquisition.
Mixed
Parameter #43
Name
Energy_Collapsed
ParameterKey
Energy_Collapsed
Description
Counter Energy Collapse
Caveats
Whether or not energy collapsing was enabled for Counters (starts, stops, H+, He+, O+, e-, etc.) data. 0 = collapsed, 1 = not collapsed.
Mixed
Parameter #44
Name
HOPE_ENERGY_Ion
ParameterKey
HOPE_ENERGY_Ion
Description
HOPE_ENERGY_Ion
Units
eV
Structure
Mixed
Parameter #45
Name
HOPE_ENERGY_Ele
ParameterKey
HOPE_ENERGY_Ele
Description
HOPE_ENERGY_Ele
Units
eV
Structure
Mixed
Parameter #46
Name
ENERGY_Ele_DELTA
ParameterKey
ENERGY_Ele_DELTA
Description
ENERGY_Ele_DELTA
Units
eV
Structure
Mixed
Parameter #47
Name
ENERGY_Ion_DELTA
ParameterKey
ENERGY_Ion_DELTA
Description
ENERGY_Ion_DELTA
Units
eV
Structure
Mixed
Parameter #48
Name
Flags_Ion
ParameterKey
Flags_Ion
Description
Flags on ion data
Caveats
Flags to indicate potential issues with the ion data. Each element of this array contains the flag status for a particular concern. A flag value of zero indicates no unusual concerns of that type for that time sample. Increasing flag values indicate increasing concern. See FLAGS variable for a description of each element.
Structure
Mixed
Parameter #49
Name
Flags_Ele
ParameterKey
Flags_Ele
Description
Flags on electron data
Caveats
Flags to indicate potential issues with electron data. Each element of this array contains the flag status for a particular concern. A flag value of zero indicates no unusual concerns of that type for that time sample. Increasing flag values indicate increasing concern. See FLAGS variable for a description of each element.
Structure
Mixed
Parameter #50
Name
FOSA
ParameterKey
FOSA
Description
HOPE Spin averaged differential oxygen flux (as spectrogram)
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
Parameter #51
Name
FOSA
ParameterKey
FOSA_ts
Description
as stacked time-series
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
Parameter #52
Name
FPSA
ParameterKey
FPSA
Description
HOPE Spin averaged differential proton flux
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
Parameter #53
Name
FPSA
ParameterKey
FPSA_ts
Description
as stacked time-series
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
Parameter #54
Name
FHESA
ParameterKey
FHESA
Description
HOPE Spin averaged differential helium flux
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
Parameter #55
Name
FHESA
ParameterKey
FHESA_ts
Description
as stacked time-series
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
Parameter #56
Name
FESA
ParameterKey
FESA
Description
HOPE Spin averaged differential electron flux
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
Parameter #57
Name
FESA
ParameterKey
FESA_ts
Description
as stacked time_series
Caveats
HOPE flux as a function of energy (72), averaged across spin and all detectors. Flux from each detector is weighted by the fraction of the unit sphere it samples in one spin (9.5% 25% 31% 25% 9.5%). Note that a HOPE spin oversamples the spacecraft spin so expect a slight bias depending on the flux in the oversampled spin phase for each spin
Units
s!E-1!Ncm!E-2!Nster!E-1!NkeV!E-1!N
Structure
Mixed
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