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Share sensitive information only on official, secure websites. HDPWS Data Access FTPS from SPDF (not with most browsers) HTTPS from SPDF CDAWeb WebService: CDAWeb Programmatic Data Access HAPI: CDAWeb HAPI Server Van Allen Probe A ECT HOPE Spin Resolved Level 2 Science Data var authors='R.M. Skoug'; document.write(authors); (2022). Van Allen Probe A ECT HOPE Spin Resolved Level 2 Science Data. [Data set]. Space Physics Data Facility. https://doi.org/10.48322/34q8-8q26. Accessed on document.write(currentDateStr);. Note: Proper references, including Copy BibTeX Citation or other formats, should include the "Accessed on date" to identify the version of the resource being cited in a given publication. ResourceID spase://NASA/NumericalData/RBSP/A/ECT/HOPE/L2/Sectors/Release04/PT24S Description This data set contains electron fluxes and proton fluxes measured by the Helium Oxygen Proton Electron (HOPE), which is one of three instruments on the Energetic Particle, Composition and Thermal Plasma Suite (ECT). As a mass spectrometer instrument, HOPE uses an electrostatic top-hat analyzer and time-gated coincidence detectors to measure electrons, protons, and helium and oxygen ions with energies from less than or equal to 20 eV or spacecraft potential (whichever is greater) to greater than or equal to 45 keV while rejecting penetrating backgrounds. Spectral measurements for both ions and electrons are acquired over 1 eV to 50 keV in 36 log-spaced steps at an energy resolution ΔEFWHM/E ~15%. The dominant ion species (H+, He+, and O+) of the magnetosphere are identified using foil-based time-of-flight mass (TOF) spectrometry with channel electron multiplier (CEM) detectors. Angular measurements are derived using five polar pixels in a plane perpendicular to the spacecraft spin axis, and up to 16 azimuthal bins are acquired for each polar pixel over time as the spacecraft spins. Electrons and protons are measured in alternate spin cadence of 5 per minute. Metadata Rights CC0-1.0: Creative Commons Zero v1.0 Universal Note CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions. The actual data/software may be subject to a different license. View XML | Edit Details Version:2.7.1 NumericalData ResourceID spase://NASA/NumericalData/RBSP/A/ECT/HOPE/L2/Sectors/Release04/PT24S NamingAuthority NASA ResourceType NumericalData ResourceHeader ResourceName Van Allen Probe A ECT HOPE Spin Resolved Level 2 Science Data DOI https://doi.org/10.48322/34q8-8q26 ReleaseDate 2026-07-21 12:06:44Z RevisionHistory RevisionEvent ReleaseDate 2021-04-27 15:38:11Z Note Only known prior ReleaseDate of the metadata RevisionEvent ReleaseDate 2022-08-18 12:34:56.789Z 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 RevisionEvent ReleaseDate 2025-08-05 13:12:22Z Note Added ObservedRegion(s). Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to value in Version tag. ZCB RevisionEvent ReleaseDate 2025-10-03 10:48:57Z Note Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. ZCB RevisionEvent ReleaseDate 2025-12-04 13:31:07Z Note Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB RevisionEvent ReleaseDate 2026-06-26 13:26:55Z Note Add 'Z' to RevisionEvent:ReleaseDate(s), PublicationDate. ZCB RevisionEvent ReleaseDate 2026-07-21 12:06:44Z Note Added HelioData InformationURL. JWL Description This data set contains electron fluxes and proton fluxes measured by the Helium Oxygen Proton Electron (HOPE), which is one of three instruments on the Energetic Particle, Composition and Thermal Plasma Suite (ECT). As a mass spectrometer instrument, HOPE uses an electrostatic top-hat analyzer and time-gated coincidence detectors to measure electrons, protons, and helium and oxygen ions with energies from less than or equal to 20 eV or spacecraft potential (whichever is greater) to greater than or equal to 45 keV while rejecting penetrating backgrounds. Spectral measurements for both ions and electrons are acquired over 1 eV to 50 keV in 36 log-spaced steps at an energy resolution ΔEFWHM/E ~15%. The dominant ion species (H+, He+, and O+) of the magnetosphere are identified using foil-based time-of-flight mass (TOF) spectrometry with channel electron multiplier (CEM) detectors. Angular measurements are derived using five polar pixels in a plane perpendicular to the spacecraft spin axis, and up to 16 azimuthal bins are acquired for each polar pixel over time as the spacecraft spins. Electrons and protons are measured in alternate spin cadence of 5 per minute. Acknowledgement NASA Space Physics Data Facility (SPDF) CDAWeb. PublicationInfo Authors R.M. Skoug PublicationDate 2022-01-01 00:00:00Z PublishedBy Space Physics Data Facility Contacts Role Person StartDate StopDate Note 1. PrincipalInvestigator spase://SMWG/Person/Ruth.Skoug 2. GeneralContact spase://SMWG/Person/Robert.M.Candey 3. MetadataContact spase://SMWG/Person/Lee.Frost.Bargatze InformationURL Name ECT home page URL https://rbsp-ect.sr.unh.edu/ Description at UNH InformationURL Name ECT SOC and data services URL https://rbsp-ect.lanl.gov/rbsp_ect.php Description at LANL InformationURL Name The Van Allen Probes Home Page URL https://vanallenprobes.jhuapl.edu Description Science Gateway (including Mission Rules of the Road for Data Usage) InformationURL Name HelioData URL https://helio.data.nasa.gov/dataset/RBSP_A_ECT_HOPE_L2_Sectors_Release04_PT24S Description The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more. PriorIDs spase://VSPO/NumericalData/RBSP/A/ECT/HOPE/L2/Sectors/Release03/PT24S spase://VSPO/NumericalData/RBSP/A/ECT/HOPE/SCI-L2/PT24S spase://ViRBO/NumericalData/RBSP/A/ECT/HOPE-SCI-L2/PT24S spase://ViRBO/NumericalData/RBSP/A/ECT/PRE/HOPE-SCI-L2/PT24S spase://VSPO/NumericalData/RBSP/A/ECT/HOPE/L2/Sectors/Release04/PT24S AccessInformation RepositoryID spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWEB Availability Online AccessRights Open RightsList Rights SchemeURI https://spdx.org/licenses/ RightsIdentifierScheme SPDX RightsIdentifier CC0-1.0 RightsURI https://spdx.org/licenses/CC0-1.0.html RightsName Creative Commons Zero v1.0 Universal Note CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products AccessURL Name FTPS from SPDF (not with most browsers) URL ftps://spdf.gsfc.nasa.gov/pub/data/rbsp/rbspa/l2/ect/hope/sectors/rel04/ Description In CDF via ftp from CDAWeb AccessURL Name HTTPS from SPDF URL https://spdf.gsfc.nasa.gov/pub/data/rbsp/rbspa/l2/ect/hope/sectors/rel04/ Description In CDF via HTTP from SPDF Format CDF Acknowledgement Please acknowledge the CDAWeb team at GSFC/SPDF. AccessInformation RepositoryID spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWEB Availability Online AccessRights Open RightsList Rights SchemeURI https://spdx.org/licenses/ RightsIdentifierScheme SPDX RightsIdentifier CC0-1.0 RightsURI https://spdx.org/licenses/CC0-1.0.html RightsName Creative Commons Zero v1.0 Universal Note CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products AccessURL Name CDAWeb URL https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=RBSPA_REL04_ECT-HOPE-SCI-L2&index=sp_phys ProductKey RBSPA_REL04_ECT-HOPE-SCI-L2 Format Text AccessDirectoryTemplate https://cdaweb.gsfc.nasa.gov/pub/data/rbsp/rbspa/l2/ect/hope/sectors/rel04/$Y AccessFilenameTemplate rbspa_rel04_ect-hope-sci-l2_$Y$m$d_$v.cdf AccessInformation RepositoryID spase://SMWG/Repository/NASA/GSFC/SPDF Availability Online AccessRights Open AccessURL Name CDAWeb Programmatic Data Access URL https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/RBSPA_REL04_ECT-HOPE-SCI-L2/clientLibraryExample/ Style WebService ProductKey RBSPA_REL04_ECT-HOPE-SCI-L2 Description Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS. Format Binary AccessInformation RepositoryID spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWEB Availability Online AccessRights Open RightsList Rights SchemeURI https://spdx.org/licenses/ RightsIdentifierScheme SPDX RightsIdentifier CC0-1.0 RightsURI https://spdx.org/licenses/CC0-1.0.html RightsName Creative Commons Zero v1.0 Universal Note CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products AccessURL Name CDAWeb HAPI Server URL https://cdaweb.gsfc.nasa.gov/hapi Style HAPI ProductKey RBSPA_REL04_ECT-HOPE-SCI-L2@0 ProductKey RBSPA_REL04_ECT-HOPE-SCI-L2@1 Description Web Service to this product using the HAPI interface. Format CSV InstrumentIDs spase://SMWG/Instrument/RBSP/A/ECT MeasurementType EnergeticParticles TemporalDescription TimeSpan StartDate 2012-10-26 00:00:00Z StopDate 2019-10-18 16:30:00Z Cadence PT24S ObservedRegion Earth.Magnetosphere.RingCurrent ObservedRegion Earth.Magnetosphere.RadiationBelt ObservedRegion Earth.Magnetosphere.Plasmasphere ObservedRegion Earth.Magnetosphere.Main Parameter #1 Name Epoch ParameterKey Epoch Description Default time Caveats Epoch, UT Units ms UnitsConversion 1.0e3>s Mixed MixedQuantity Other Parameter #2 Name Satellite position (GEO) ParameterKey Position Description [Time-series] Position of the satellite in geographic coordinates 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 Size 3 Mixed MixedQuantity Other Parameter #3 Name Position_Quality ParameterKey Position_Quality Description Position Quality flag Caveats 0 denotes highest quality. Units none Mixed MixedQuantity Other Parameter #4 Name Magnetic field strength ParameterKey B_Calc Description Calculated magnetic field strength Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units nT UnitsConversion 1.0e9>T Mixed MixedQuantity Other Parameter #5 Name Equatorial magnetic field strength ParameterKey B_Eq Description Calculated magnetic field strength at magnetic equator Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units nT UnitsConversion 1.0e9>T Mixed MixedQuantity Other Parameter #6 Name McIlwains L parameter ParameterKey L Description Calculated McIlwains L parameter (Earths radii) 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 MixedQuantity Other Parameter #7 Name Roederers L* parameter ParameterKey L_star Description Calculated Roederers L* parameter (Earths radii) 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 MixedQuantity Other Parameter #8 Name Adiabatic invariant (bounce) ParameterKey I Description Adiabatic invariant (bounce) Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units none UnitsConversion none Mixed MixedQuantity Other Parameter #9 Name Magnetic Local Time ParameterKey MLT Description Calculated Magnetic Local Time (hours) Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units h UnitsConversion 2.778e-4>s Mixed MixedQuantity Other Parameter #10 Name Satellite position (GEO) ParameterKey Position_TT Description [Labels on plots] Position of the satellite in geographic coordinates 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 Size 3 Mixed MixedQuantity Other Parameter #11 Name Magnetic field strength ParameterKey B_Calc_TT Description Calculated magnetic field strength Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units nT UnitsConversion 1.0e9>T Mixed MixedQuantity Other Parameter #12 Name Equatorial magnetic field strength ParameterKey B_Eq_TT Description Calculated magnetic field strength at magnetic equator Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units nT UnitsConversion 1.0e9>T Mixed MixedQuantity Other Parameter #13 Name McIlwains L parameter ParameterKey L_TT Description Calculated McIlwains L parameter (Earths radii) 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 MixedQuantity Other Parameter #14 Name Roederers L* parameter ParameterKey L_star_TT Description Calculated Roederers L* parameter (Earths radii) 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 MixedQuantity Other Parameter #15 Name Adiabatic invariant (bounce) ParameterKey I_TT Description Adiabatic invariant (bounce) Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units none UnitsConversion none Mixed MixedQuantity Other Parameter #16 Name Magnetic Local Time ParameterKey MLT_TT Description Calculated Magnetic Local Time (hours) Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units h UnitsConversion 2.778e-4>s Mixed MixedQuantity Other Parameter #17 Name Pitch angle ParameterKey Alpha Description Pitch angle Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units degrees UnitsConversion 57.296>rad Mixed MixedQuantity Other Parameter #18 Name Equat. Pitch angle ParameterKey Alpha_Eq Description Equatorial pitch angle Caveats Calculated using ONERA-DESP library Internal field: DGRF/IGRF External field: Olson and Pfitzer quiet Units degrees UnitsConversion 57.296>rad Mixed MixedQuantity Other Parameter #19 Name Detector No. ParameterKey HOPE_DETECTOR Description Detector No. Structure Size 5 Mixed MixedQuantity Other Parameter #20 Name Sector No. ParameterKey HOPE_SECTOR Description Sector No. Structure Size 16 Mixed MixedQuantity Other Parameter #21 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 Size 5 Mixed MixedQuantity Other Parameter #22 Name Acquisition_Period ParameterKey Acquisition_Period Description Acquisition_Period Caveats The length of a single ESA step acquisition Units ms Mixed MixedQuantity Other Parameter #23 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 MixedQuantity Other Parameter #24 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 MixedQuantity Other Parameter #25 Name ESA_Volt ParameterKey ESA_Volt Description ESA_Volt Caveats Absolute values of the ESA voltage that was used for each energy step. Structure Size 72 Mixed MixedQuantity Other Parameter #26 Name ESA_Volt_Ion ParameterKey ESA_Volt_Ion Description ESA_Volt_Ion Caveats ESA voltage in ion mode (negative voltages) Structure Size 72 Mixed MixedQuantity Other Parameter #27 Name Epoch_Ion ParameterKey Epoch_Ion Description Default time Caveats Epoch at times of ion mode measurements Units ms Mixed MixedQuantity Other Parameter #28 Name Epoch_Ele ParameterKey Epoch_Ele Description Default time Caveats Epoch at times of electron mode measurements Units ms Mixed MixedQuantity Other Parameter #29 Name ESA_Volt_Ion ParameterKey ESA_Volt_Ele Description ESA_Volt_Ion Caveats ESA voltage in electron mode (positive voltages) Structure Size 72 Mixed MixedQuantity Other Parameter #30 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 MixedQuantity Other Parameter #31 Name ESA_Sweep ParameterKey ESA_Sweep Description ESA_Sweep Caveats Which of the 16 ESA Sweep ptables was used for the acquisition. Mixed MixedQuantity Other Parameter #32 Name Cntr_Eclpse ParameterKey Cntr_Eclpse 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 MixedQuantity Other Parameter #33 Name FPDU ParameterKey FPDU Description [CreateCDF ONLY] FPDU: Differential directional proton flux ~15-50,000 eV (5 Detectors, 16 Sectors, 72 Energies) Caveats Proton flux as a function of detector pixel (5), spin angle sector (16), and energy (72). Note that data have been expanded to the highest possible resolution (16 spin angles, 72 energies), even though in most cases the transmitted data are collapsed (36 energies, 4-8-16-8-4 spin angles) to fit the telemetry allocation. Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #34 Name FPDU ParameterKey FPDU_D1_BY_ENERGY Description FPDU: Detector 1/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #35 Name FPDU ParameterKey FPDU_D2_BY_ENERGY Description Detector 2/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #36 Name FPDU ParameterKey FPDU_D3_BY_ENERGY Description Detector 3/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #37 Name FPDU ParameterKey FPDU_D4_BY_ENERGY Description Detector 4/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #38 Name FPDU ParameterKey FPDU_D5_BY_ENERGY Description Detector 5/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #39 Name FPDU ParameterKey FPDU_D1_BY_ANGLE Description FPDU: Detector 1/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #40 Name FPDU ParameterKey FPDU_D2_BY_ANGLE Description Detector 2/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #41 Name FPDU ParameterKey FPDU_D3_BY_ANGLE Description Detector 3/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #42 Name FPDU ParameterKey FPDU_D4_BY_ANGLE Description Detector 4/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #43 Name FPDU ParameterKey FPDU_D5_BY_ANGLE Description Detector 5/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #44 Name FPDU ParameterKey FPDU_D1_PLASMAGRAM Description [FPDU_D1_PLASMAGRAM] HOPE differential proton flux Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #45 Name FPDU ParameterKey FPDU_D2_PLASMAGRAM Description [FPDU_D2_PLASMAGRAM] HOPE differential proton flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #46 Name FPDU ParameterKey FPDU_D3_PLASMAGRAM Description [FPDU_D3_PLASMAGRAM] HOPE differential proton flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #47 Name FPDU ParameterKey FPDU_D4_PLASMAGRAM Description [FPDU_D4_PLASMAGRAM] HOPE differential proton flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #48 Name FPDU ParameterKey FPDU_D5_PLASMAGRAM Description [FPDU_D5_PLASMAGRAM] HOPE differential proton flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #49 Name HOPE_ENERGY ParameterKey HOPE_ENERGY Description HOPE_ENERGY Units eV Structure Size 72 Mixed MixedQuantity Other Parameter #50 Name HOPE_ENERGY_DELTA_plus ParameterKey HOPE_ENERGY_DELTA_plus Description HOPE_ENERGY_DELTA_plus Structure Size 72 Mixed MixedQuantity Other Parameter #51 Name HOPE_ENERGY_DELTA_minus ParameterKey HOPE_ENERGY_DELTA_minus Description HOPE_ENERGY_DELTA_minus Structure Size 72 Mixed MixedQuantity Other Parameter #52 Name FHEDU ParameterKey FHEDU Description [CreateCDF ONLY] FHeDU: Differential directional helium flux ~15-50,000 eV (5 Detectors, 16 Sectors, 72 Energies) Caveats Helium flux as a function of detector pixel (5), spin angle sector (16), and energy (72). Note that data have been expanded to the highest possible resolution (16 spin angles, 72 energies), even though in most cases the transmitted data are collapsed (36 energies, 3-8-16-8-4 spin angles) to fit the telemetry allocation. Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #53 Name FHEDU ParameterKey FHEDU_D1_BY_ENERGY Description FHeDU: Detector 1/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #54 Name FHEDU ParameterKey FHEDU_D2_BY_ENERGY Description Detector 2/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #55 Name FHEDU ParameterKey FHEDU_D3_BY_ENERGY Description Detector 3/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #56 Name FHEDU ParameterKey FHEDU_D4_BY_ENERGY Description Detector 4/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #57 Name FHEDU ParameterKey FHEDU_D5_BY_ENERGY Description Detector 5/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #58 Name FHEDU ParameterKey FHEDU_D1_BY_ANGLE Description FHeDU: Detector 1/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #59 Name FHEDU ParameterKey FHEDU_D2_BY_ANGLE Description Detector 2/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #60 Name FHEDU ParameterKey FHEDU_D3_BY_ANGLE Description Detector 3/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #61 Name FHEDU ParameterKey FHEDU_D4_BY_ANGLE Description Detector 4/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #62 Name FHEDU ParameterKey FHEDU_D5_BY_ANGLE Description Detector 5/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #63 Name FHEDU ParameterKey FHEDU_D1_PLASMAGRAM Description [FHEDU_D1_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #64 Name FHEDU ParameterKey FHEDU_D2_PLASMAGRAM Description [FHEDU_D2_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #65 Name FHEDU ParameterKey FHEDU_D3_PLASMAGRAM Description [FHEDU_D3_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #66 Name FHEDU ParameterKey FHEDU_D4_PLASMAGRAM Description [FHEDU_D4_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #67 Name FHEDU ParameterKey FHEDU_D5_PLASMAGRAM Description [FHEDU_D5_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #68 Name Energy ParameterKey HOPE_ENERGY_Ion Description HOPE_ENERGY_Ion Units eV Structure Size 72 Mixed MixedQuantity Other Parameter #69 Name FODU ParameterKey FODU Description [CreateCDF ONLY] FODU: Differential directional oxygen flux ~1-50,000 eV (5 Detectors, 16 Sectors, 72 Energies) Caveats Oxygen flux as a function of detector pixel (5), spin angle sector (16), and energy (72). Note that data have been expanded to the highest possible resolution (16 spin angles, 72 energies), even though in most cases the transmitted data are collapsed (36 energies, 4-8-16-8-4 spin angles) to fit the telemetry allocation. Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #70 Name FODU ParameterKey FODU_D1_BY_ENERGY Description FODU: Detector 1/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #71 Name FODU ParameterKey FODU_D2_BY_ENERGY Description Detector 2/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #72 Name FODU ParameterKey FODU_D3_BY_ENERGY Description Detector 3/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #73 Name FODU ParameterKey FODU_D4_BY_ENERGY Description Detector 4/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #74 Name FODU ParameterKey FODU_D5_BY_ENERGY Description Detector 5/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #75 Name FODU ParameterKey FODU_D1_BY_ANGLE Description FODU: Detector 1/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #76 Name FODU ParameterKey FODU_D2_BY_ANGLE Description Detector 2/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #77 Name FODU ParameterKey FODU_D3_BY_ANGLE Description Detector 3/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #78 Name FODU ParameterKey FODU_D4_BY_ANGLE Description Detector 4/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #79 Name FODU ParameterKey FODU_D5_BY_ANGLE Description Detector 5/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #80 Name FODU ParameterKey FODU_D1_PLASMAGRAM Description [FODU_D1_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Caveats Electron flux as a function of Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #81 Name FODU ParameterKey FODU_D2_PLASMAGRAM Description [FODU_D2_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #82 Name FODU ParameterKey FODU_D3_PLASMAGRAM Description [FODU_D3_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #83 Name FODU ParameterKey FODU_D4_PLASMAGRAM Description [FODU_D4_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #84 Name FODU ParameterKey FODU_D5_PLASMAGRAM Description [FODU_D5_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #85 Name FEDU ParameterKey FEDU Description [CreateCDF ONLY] FEDU: Differential directional electron flux ~15-50,000 eV (5 Detectors, 16 Sectors, 72 Energies) Caveats Electron flux as a function of detector pixel (5), spin angle sector (16), and energy (72). Note that data have been expanded to the highest possible resolution (16 spin angles, 72 energies), even though in most cases the transmitted data are collapsed (36 energies, 4-8-16-8-4 spin angles) to fit the telemetry allocation. Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #86 Name FEDU ParameterKey FEDU_D1_BY_ENERGY Description FEDU: Detector 1/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #87 Name FEDU ParameterKey FEDU_D2_BY_ENERGY Description Detector 2/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #88 Name FEDU ParameterKey FEDU_D3_BY_ENERGY Description Detector 3/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #89 Name FEDU ParameterKey FEDU_D4_BY_ENERGY Description Detector 4/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #90 Name FEDU ParameterKey FEDU_D5_BY_ENERGY Description Detector 5/Plot: all Energies for the selected sector numbers 1,3,5,7,8,10,12,14,16 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #91 Name FEDU ParameterKey FEDU_D1_BY_ANGLE Description FEDU: Detector 1/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #92 Name FEDU ParameterKey FEDU_D2_BY_ANGLE Description Detector 2/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #93 Name FEDU ParameterKey FEDU_D3_BY_ANGLE Description Detector 3/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #94 Name FEDU ParameterKey FEDU_D4_BY_ANGLE Description Detector 4/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #95 Name FEDU ParameterKey FEDU_D5_BY_ANGLE Description Detector 5/Plot: all Sectors for the selected energy channels 1,9,17,25,33,40,48,56,64,72 Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #96 Name FEDU ParameterKey FEDU_D1_PLASMAGRAM Description [FEDU_D1_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #97 Name FEDU ParameterKey FEDU_D2_PLASMAGRAM Description [FEDU_D2_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #98 Name FEDU ParameterKey FEDU_D3_PLASMAGRAM Description [FEDU_D3_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #99 Name FEDU ParameterKey FEDU_D4_PLASMAGRAM Description [FEDU_D4_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #100 Name FEDU ParameterKey FEDU_D5_PLASMAGRAM Description [FEDU_D5_PLASMAGRAM] HOPE differential electron flux all energies, sector 1, selected detectors Units s-1 cm-2 ster-1 keV-1 Structure Size 5 16 72 Mixed MixedQuantity Other Parameter #101 Name Energy ParameterKey HOPE_ENERGY_Ele Description HOPE_ENERGY_Ele Units eV Structure Size 72 Mixed MixedQuantity Other Contact SPDF: NASA-SPDF Feedback/Support Responsible NASA Official: Lan Jian Site Editor: Rita Johnson SPDF ROR ID SPDF re3data ID About NASA Accessibility FOIA No FEAR Act Privacy Policy Vulnerability Disclosure Policy Last Updated: 2026-07-21